Ultraviolet Waves Dangers

Benefits and Dangers Animations/Videos Microwaves give off radio waves, radios and cell phones also use them. UVA rays cause skin aging and eye damage, and can lower your body’s ability to fight off illness. Ultraviolet light is used to kill bacteria. But UV has many practical applications beyond just these, so whether it's a black-light UVA or germicidal UVC lamp you need, you should find it in our wide variety of UV lighting. Which is healthier? Forgive us, but that’s a trick question. A transilluminator uses an intense source of UV radiation to make visible the fluorescent marker used in electrophoresis gels. Radio waves are the lowest-energy, lowest-frequency and longest-wavelength electromagnetic waves. The shorter ones are called UVB rays. Ultraviolet light: This is a type of radiation with more energy than visible light. Electromagnetic waves include radio waves (the longest wavelength), microwaves, infrared radiation (radiant heat), visible light, ultraviolet radiation, x-rays, and gamma rays. What Is Ultraviolet Radiation? Energy from the sun reaches the earth as visible, infrared, and ultraviolet (UV) rays. Reddit is a network of communities based on people's interests. Ozone is dangerous at ground level (breathing it) but it blocks ultraviolet radiation up in the sky. The sun’s ultraviolet (UV) radiation is the main cause of skin cancer. UVR are invisible to the human eyes. Sreeraj S R UVR (ULTRAVIOLET RADIATION THERAY) INTRODUCTION • • • • Ultraviolet radiation (UVR) covers a small part of electromagnetic spectrum lying between the violet end of the VISIBLE LIGHT and X-RAY REGION. Ostomy Wound Manage 44 , 50–56 (1998). Answer: 95: Give one Danger of Ultraviolet Light. This is the time of day when the sun is directly above us, especially during the summer months. UV light is known for its germicidal killing properties and is used to clean equipment and hospital areas. They cause damage by pushing and pulling things back and forth in the same direction that the wave travels. Dangers of transilluminators. Ultraviolet light is divided into three zones—UVA with wavelengths from 380 to 320 nanometres (billionth of a metre), UVB from 320 nm down to 290 nm and UVC from 290 nm down to one tenth of a nanometre. Too much exposure to UV light raises your risk of eye diseases and other problems. UV Light located next to visible light on the spectrum has higher frequency which equates to higher radiation. 1 In it, I review the real dangers of electromagnetic fields (EMFs) emitted by electronic devices. However, NIR differs from ionizing radiation because it consists of lower quantum energies and, therefore, has different biological effects. UV light is very similar to visible light except it has more energy, and the wavelengths are too short to be picked up by human eyes. Changes in your skin's DNA due to UVA and UVB rays can cause serious, long-term skin damage. Ultraviolet radiation lies between wavelengths of about 400 nanometres (1 nanometre [nm] is 10 −9 metre) on the visible-light side and about 10 nm on the X-ray side, though some authorities extend the short-wavelength limit to 4 nm. Ultraviolet wavelengths less than 200 nanometers, X-rays, and gamma rays, are collectively called ionizing radiation since the energy in any such light quantum is high enough to 'kick' an electron out of an atom. But that is not the case always, the benefits of ultraviolet radiation ranges from vitamin D production to sun tanning. Very long exposure of UV radiation causes degenerative changes in skin cells, fibrous tissue, and blood vessels. 00001 sievert). Ultraviolet, or UV, light is commonly used by physicians to treat skin diseases. Depending on the kind of atom and the amount of energy, this electromagnetic radiation can take the form of heat, light, ultraviolet, or other electromagnetic waves. UV light is any electromagnetic radiation with a wavelength between 10 and 400 nanometers (i. The result shows that the. Learn more about ultraviolet radiation. Find other benefits of radio waves here below. “It’s dangerous because UVC shouldn’t be deployed when there’s humans around,” he said, referring to the short-wave germicidal type of ultraviolet radiation. The radiation produced by an X-ray is so powerful that it can go through solid objects, which is the reason why this beam of radiation from X-ray can go through the body and photograph the inside of the body. It gives people a sunburn. Exposure to ultraviolet (UV) radiation is a risk factor for most skin cancers, according to the American Cancer Society. By using UV Light. Sunburn is the skin's reaction to the ultraviolet (UV) radiation from the sun. UV falls into three categories, separated by wavelength. Yet the other part of the light spectrum (the visible light section) might also have an effect. This spectrum is more often broken down into four categories: Vacuum, Short Wave, Middle Wave and Long Wave’ or VUV, UVC, UVB & UVA. Yet until 1800 it never occurred to anyone that radiation could exist outside the narrow band that human eyes detect. Take up the quiz below on Electromagnetic Spectrum. , air, space, nonconducting materials) without wires. What Is Ultraviolet Radiation? Energy from the sun reaches the earth as visible, infrared, and ultraviolet (UV) rays. Ultraviolet (UV) radiation is defined as that portion of the electromagnetic spectrum between x rays and visible light, i. References. The lamps are used in a variety of applications where disinfection is the primary concern, including air and water purification, food. Eventually, doctors and patients started developing radiation sickness, and the medical community knew something was wrong. Dangerous rays Sunlight contains three types of UV. These have different names and forms such as ultraviolet rays, gamma rays, infrared rays, radiowaves, microwaves, visible rays, etc. Photo: Diagram of electromagnetic spectrum courtesy of NASA. Electromagnetic Radiation Dangers. Yet the other part of the light spectrum (the visible light section) might also have an effect. For example, UV light found in sunlight causes sunburns and can eventually cause melanoma. With spring break and prom on the horizon, we want to shed some light to illuminate the dangers of tanning, both indoors and out. Even on a cloudy day, you can be sunburned by UV radiation. The higher the rating, the greater the protection from sunlight. And the newest studies. Top 4 X-Ray Dangers to Be Aware Of 4. It can also burn the front surface of the eye, much like a sunburn on the skin. These contact lenses should not be used in place of sunglasses, but do help screen out UV radiation that comes in around the tops and sides of glasses. Ultraviolet C (UVC) wavelengths are 100 to 280 nm in length. Ultraviolet radiation is invisible. We know that UV light causes radiation damage to our skin, resulting in what's commonly called a sunburn. The ultraviolet (UV) index provides a consistent and international measure of the sun's ultraviolet strength. Ultraviolet light UV is found in sunlight and is a form of EMR with high frequency waves. As the coronavirus pandemic continues, many companies are touting products that claim to kill dangerous pathogens in the air or on surfaces using ultraviolet light. Ultraviolet (UV) radiation occupies the portion of electromagnetic spectrum from 100 to 400 nanometers (nm). Most ultraviolet (UV) light from the Sun is blocked by the atmosphere before making it to the surface, but the American Cancer Society points out that UV light is still the main cause of the damaging effects of sunlight on human skin. The UVB rays also play the greatest role in causing skin cancers, including the deadly black mole form of skin cancer (malignant melanoma). While many people refer to ultraviolet radiation as "UV light," this term technically is incorrect because you cannot see UV rays. The non-ionizing UV spectrum has a wavelength shorter than that of visible light but longer than an X-ray (100 nanometers [nm] to 400nm) and is categorized based on intensity:. Radiation is energy that travels in waves or as particles. One of those electromagnetic waves is called ultraviolet light. What is the difference between X-rays and ultraviolet rays? Both are electromagnetic waves; the x-rays, typically, with a wavelength of 0. Gamma waves can be very dangerous. Therefore, the ultraviolet (UV) radiation is of A, B and C type. Listen to the Cancer. Sunbeds and lamps can be more dangerous than natural sunlight, because they use a concentrated source of ultraviolet (UV) radiation. There are a lot of myths when it comes to the dangers of microwaves. Dangers associated with Ultraviolet Waves: Overexposure to these ultraviolet waves can cause painful eye irritation, sunburns and skin cancer. Tightly woven, dark fabrics are best. The ultraviolet (UV) index is a useful tool when it comes to sun protection. PHYSICAL PROPERTIES Physics. Health risks from radiation exposure may be described in terms of acute effects and long term risks. Answer: 91: Give one Danger of Infra-red Waves. The International Commission on Non-Ionizing Radiation Protection – the body that studies low energy radiation like microwaves, infrared, and radiofrequency radiation (RF) – states that “5G. UV-B rays are the harmful rays that cause sunburn. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. by Lotti Tajouri, Mariana Campos, Rashed Alghafri and Simon McKirdy, The Conversation. Various questions and answers on electromagnetic spectrum. There are three types of UV rays: The atmosphere does little to shield these rays—most UVA radiation reaches Earth’s surface. Ultraviolet (UV) radiation is a form of electromagnetic radiation that comes from the sun and man-made sources like tanning beds and welding torches. 2 out of 5 stars 929 $119. Radiation only event with high risk of contamination (and non-radiation hazards have been excluded): e. Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. The electromagnetic spectrum is the range of radiation from benign radio waves to highly dangerous gamma radiation. Biological Effect of UV Light. Apply water-resistant sunscreen and lip balm with an SPF of 30 or greater and broad-spectrum protection against ultraviolet A (UVA) and ultraviolet B (UVB. Ultraviolet B radiation, especially between the wavelengths of 295-297nm, is able to stimulate the production of Vitamin D in your skin. It has the shortest wavelength too among the three, ranging from 0. Sunlamps and tanning beds promise consumers a bronzed body year-round, but the ultraviolet (UV) radiation from these devices poses serious health risks. , when the sun's rays are the strongest. It gives people a sunburn. A nm is one billionth of a meter (10^-9 meter). I was recently interviewed by Dave Asprey when I visited his Bulletproof lab on Vancouver Island. Ultraviolet radiation is divided into three regions: UV-A: 315-400 nanometers (nm), UV-B: 280-315 nm, and UV-C: 100-280 nm. There are 16970 observable variables and NO actionable varia. The ultraviolet (UV) index is a useful tool when it comes to sun protection. Guidelines on exposure limits to ultraviolet radiation. The UV spectrum is divided into Vacuum UV (40-190 nm), Far UV (190-220 nm), UVC (220-290 nm), UVB (290-320), and UVA (320-400 nm). The properties, uses and dangers of ultraviolet radiation. There are many types of radiation, but the two most common are electromagnetic radiation and ionizing radiation. B) Longer wavelengths have lower frequencies but higher energy. The name means "beyond violet" (from Latin ultra, "beyond"), violet being the color of the shortest wavelength of visible light. UV light attracts insects. Because of its regulatory responsibilities in this area the Federal Communications Commission (FCC) often receives inquiries concerning the potential safety hazards of human exposure to radio-frequency (RF) energy. While teaching, be sure to point out and reinforce that people with darker skin types must also be concerned about UV radiation exposure and use sunscreens regularly. It gives people a sunburn. On the electromagnetic spectrum, UV light sits between visible light and X-rays. For example, UV light found in sunlight causes sunburns and can eventually cause melanoma. UV energy absorbed by plastics can excite photons, which then create free radicals. Why the Discovery of UV Light Led to UV HVAC. The harmful effects of solar radiation are caused predominantly by the ultraviolet (UV) region of the electromagnetic spectrum, which can be divided into three regions: UVA, from 320 to 400 nm; UVB, from 290 to 320 nm and UVC, from 200 to 290 nm. Within the EM spectrum, there are two types of radiation. There are three different types. Some insects and animals can see in this range. It penetrates the membrane of germs, bacteria, mould and dust mites, eliminating them. 99/Count) $129. Lower frequency radiation, consisting of ultraviolet (UV), infrared (IR), microwave (MW), Radio Frequency (RF), and extremely low frequency (ELF) are types of non-ionizing. CAS PubMed Google Scholar. Thus care should always be exercised to know the expected path of the incident beam. Photons are classified by the amount of energy they carry. Biological Effect of UV Light. Electromagnetic waves include radio waves (the longest wavelength), microwaves, infrared radiation (radiant heat), visible light, ultraviolet radiation, x-rays, and gamma rays. Ultraviolet radiation is hazardous to both skin and eyes. The answer is neither. New high-tech car safety features are helping drivers who have lapses in attention. Use a headset if you are still worried about electromagnetic radiation from cell phone use. Far-UV light bulbs could be a game changer in mitigating the spread of the coronavirus (COVID-19). It gives people a sunburn. The name means 'beyond violet'. But without long-term studies showing “far-UVC” doesn’t harm people, “my excitement [is] tempered with the concern that it could be an application that could have some dangerous side effects or direct effects. The only real protection we have against this bombardment of UV rays is a pair of sunglasses. In a less predictable manner, UV radiation incident at the surface of the earth is expected to be further modified in the future as a result of altered cloud condition, atmospheric aerosol concentration, and. Answer: 92: What is the Difference between Ultraviolet Waves and Ultraviolet Light? Answer: 93: What does Fluorescent mean? Answer: 94: Give one Use of Ultraviolet Light. The ozone layer over Antarctica is very thin. Microwave ovens and x-ray machines also emit RFs. UVC lamps and robots are commonly used to. Gamma rays have a lot of benefits to mankind. Nearly half of UV radiation is received between 10 a. SPECTRUM of light ranges from the infrared at wavelengths longer than visible light to the ultraviolet at wavelengths shorter than visible light. Sunlight and vitamin D. One of those electromagnetic waves is called ultraviolet light. UV radiation exposure can injure the cornea, the outer protective coating of the eye. The lamps are used in a variety of applications where disinfection is the primary concern, including air and water purification, food. UVB rays do reach the surface, although some of UVB radiation is filtered out. Ultraviolet radiation does not use heat or chemical additives of any kind during the purification process. Experts debunk dangerous myths about the coronavirus. Microwaves are NOT ionizing radiation, so the wireless and mobile signals do absolutely nothing - the power is way too low, otherwise you'd need to charge your phone every 5 minutes. Skin cancer is the most common form of cancer in the United States. Tests performed by manufacturers at a distance of two inches show that microwaves do leak out of the devices no matter how expensive or well made the model is. Therefore, there are no OSHA-mandated employee exposure limits to ultraviolet radiation. All the different kinds of electromagnetic radiation are essentially the same "stuff" as light: they're forms of energy that travel in straight lines, at the speed of light (300,000 km or 186,000 miles per second), when electrical and magnetic vibrations wiggle from side to side. Sunlamps and tanning beds promise consumers a bronzed body year-round, but the ultraviolet (UV) radiation from these devices poses serious health risks. (Illustration by Robert Simmon) DNA readily absorbs UV-B radiation, which commonly changes the shape of the molecule in one of several ways. Visible light makes up just a small part of the full electromagnetic spectrum. , between 40 and 400 nm (30–3 eV). Fortunately, there is no convincing evidence that such fears are warranted. by Lotti Tajouri, Mariana Campos, Rashed Alghafri and Simon McKirdy, The Conversation. UV-C rays are the most harmful and are almost completely absorbed by our atmosphere. Speaking at The Physiological Society's Extreme Environmental Physiology conference next week, W. This radiation is responsible for sunburns and is commonly linked to skin cancer. 5 out of 5 stars, based on 2 reviews 2 ratings Current Price $19. The urine will glow in the dark using a blacklight (longwave UV light). While many people refer to ultraviolet radiation as "UV light," this term technically is incorrect because you cannot see UV rays. Ultraviolet Radiation. New Zealanders have among the highest skin cancer mortality rates in the world, mainly from melanoma. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century pieces were made with up to 25% uranium. Ultraviolet Ultraviolet waves have the next shortest wavelength after visible light. It's in an invisible part of the "electromagnetic spectrum". Ultraviolet waves fall between visible light and X-rays on the electromagnetic spectrum. We are familiar with radio waves from UHF, VHF, FM and AM transmissions. There is a problem with current sunscreens which protect against skin burning from high UVB but give inadequate protection against free radical damage caused by UVA. There are three categories of UV radiation: UVC. Although ultraviolet C is the most dangerous type of ultraviolet light in terms of its potential to harm life on earth, it cannot penetrate earth's protective ozone layer. Unfortunately, the book does not appear to properly address the dangers of UV light to human skin. After the discovery of Ultra Violet light in 1800, scientists went on to demonstrate that UV Light contained bacteria-killing properties in 1892. Lower energy photons seemed to travel as waves. UV rays can also damage the DNA in our skin cells and lead to skin cancer. This spectrum includes everything from radio waves to the visible light that we can see, and it ranks the various waves according to the degree of energy they emit and their wavelength. Full-spectrum light sources have no demonstrable benefit for dental health. These wavelengths are entirely absorbed by our atmosphere and no natural UVC. Fortunately, when the UV light system is installed in your HVAC system, there is no direct or harmful exposure to you or your family. Radiation therapy, or radiation oncology, utilises gamma radiation to kill or control malignant tumours in the body. You’ve probably heard about the dangers of UV-A and UV-B light from doctors and the occasional sunscreen bottle. Since no ultraviolet radiation is produced, this is safer than other options such as sunbathing, but infrared radiation still produces dangers of its own, especially in a sauna environment where the heat is intense. Apply water-resistant sunscreen and lip balm with an SPF of 30 or greater and broad-spectrum protection against ultraviolet A (UVA) and ultraviolet B (UVB. Radiation can either be high energy because each particle is high energy, or the radiation can contain only low-energy particles but enough of them that they add up to a high energy. The only real protection we have against this bombardment of UV rays is a pair of sunglasses. The practice was originally developed in the United States, but most recent research on it has been conducted in Germany (by UV lamps) and in Russia (in all variants). Radiation is energy in transit. Products We Sell Ultraviolet Devices Installs with central heating and cooling systems to deliver whole house comfort. Listen to the Cancer. It is at the higher end of energy compared to visible light and is followed in energy by X-rays and the Gamma rays. Ozone in the Earth’s atmosphere provides some protection, but the. The most effective ways of protection from ultraviolet radiation are clothing and special anti-tan creams with the "SPF" higher than 10. According to one source , the range from 4,000,000 to 5,000,000 microsieverts (4 to 5 sieverts) received over a very short time causes death to 50 percent of an exposed. The extent and severity of acute effects is determined by the type and amount of radiation exposure, and they range from mild and recoverable effects, such as nausea and vomiting, to central nervous system damage and even death. 3- Possible eye damage can result from high doses of UV light, particularly to the cornea which is a good absorber of UV light. There are 16970 observable variables and NO actionable varia. This booklet focuses on the health effects of ionizing radiation. If you do want browner looking skin then fake tan is the way to go. 5/30/2018 5G Radiation Dangers - 11 Reasons To Be Concerned | ElectricSense https://www. The skin tries to prevent further injury by producing melanin (the pigment that gives our skin its color) that results in darkening – what we call a tan. The active ingredients found in sunscreen have detrimental effects on freshwater ecosystems, according to new research by University of Alberta biologists. The urine will glow in the dark using a blacklight (longwave UV light). Different frequencies of EM radiation have different degrees of penetration. A very high dose of ionizing radiation delivered to a whole or large part of a body over a short time will result in radiation injury or radiation sickness (syndrome). Longer wavelength radiation is of lower energy and is usually less harmful - examples include radio, microwaves and infrared. Electromagnetic Radiation Dangers. But is there any good evidence to support this theory?. This is why these kinds of radiation are dangerous to life. Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays. Like waves on a pond, a radio wave is a series of repeating peaks and valleys. On the positive side, skin exposed to UV light makes vitamin D, an important nutrient. There are many types of radiation, but the two most common are electromagnetic radiation and ionizing radiation. UV In Our Atmosphere. Radiation Dangers and Solutions Welcome to the radiation page! This page contains resources and information about electromagnetic radiation exposure, radio/microwave frequency radiation, dirty electricity, and other forms of electro-pollution that are an increasing health concern of modern living. UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes adverse effects that can variously be mutagenic or carcinogenic. For information on nonionizing radiation, contact the New York State Department of Health at 518-402-7550. Ultraviolet radiation has a wavelength longer than that of x-rays but shorter than that of visible light. Even on a cloudy day, you can be sunburned by UV radiation. B) Longer wavelengths have lower frequencies but higher energy. Natural sunlight and UV lamps used for tanning give off the harmful rays. radiation stops at our skin. Listen to the Cancer. Some say that microwave radiation can damage one’s genetics (DNA) and subsequently cause cancer. Ultraviolet definition, beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units. The closest it gets is citing an experiment done around 1900 by Niels Finsen: ~1900: the Danish physician Neils Finsen, considered the founder of modern phototherapy, discovered a UV treatment for lupus vulgaris , a form of skin tuberculosis. Because ionising radiation can’t be seen, people tend to think it is more dangerous than it is. Yet until 1800 it never occurred to anyone that radiation could exist outside the narrow band that human eyes detect. The sun’s ultraviolet (UV) radiation is the main cause of skin cancer. The non-ionizing UV spectrum has a wavelength shorter than that of visible light but longer than an X-ray (100 nanometers [nm] to 400nm) and is categorized based on intensity:. Speaking at The Physiological Society's Extreme Environmental Physiology conference next week, W. Radiation energy emitted from the sun reaches the earth in the form of UV rays. This includes ultraviolet (UV) radiation (200 to 400 nm), visible light (400 to 700 nm), and infrared (IR) radiation (700 to 1,400 nm). All the best!. These rays are invisible except that when they fall […]. As you’ll note in the graphic below, Vacuum UV operates in the 100-200nm range, where it is capable of producing ozone. 6 UV-C is the most energetic and shortest of the UV bands. Radiation is divided into two categories - ionizing radiation and non-ionizing radiation. Many of the ultraviolet (UV) sources used in the laboratory emit high intensities of UV light, capable of producing painful eye and skin burns. A common example of this is a UV-C box for sterilizing a cellphone. But without long-term studies showing "far-UVC" doesn't harm people, "my excitement [is] tempered with the concern that it could be an application that could have some dangerous side effects or direct effects. Light and radio waves are two ranges of electromagnetic radiation with different frequencies. Infrared light poses benefits and dangers to our health. When UV-C light is used to disinfect a room, people must be cleared from the. Ultraviolet light is a band of electromagnetic radiation at higher energies and shorter wavelengths than visible light, which makes it invisible to the human eye, according to the International. Polar Stratospheric Clouds (PSCs) - Clouds that form during the winter months in Antarctica and sometimes in the Arctic. Eventually, doctors and patients started developing radiation sickness, and the medical community knew something was wrong. Far ultraviolet on the other hand is ultraviolet light with a wavelength range of …. Biological Effect of UV Light. Photo: Diagram of electromagnetic spectrum courtesy of NASA. The answer is neither. What about other forms of radiation emitted by CFLs, such as ultraviolet (UV)? A Canadian government study in 2009 found that CFL light bulbs do result in exposure to more UV radiation when used. Changes in your skin's DNA due to UVA and UVB rays can cause serious, long-term skin damage. The Sun is a source of the full spectrum of ultraviolet radiation, which is commonly subdivided into UV-A, UV-B, and UV-C. Reddit is a network of communities based on people's interests. Fortunately, scientists came up with an answer – the UV index! The UV index: forecasting the burn. Sunbeds and lamps can be more dangerous than natural sunlight, because they use a concentrated source of ultraviolet (UV) radiation. Hospitals and laboratories often use ultraviolet (UV) light to kill microbes, but the practice has one major. The simple fact that it comes into contact with the microorganism is enough to inactivate it and render it harmless. Damage linked to extended sun exposure include macular degeneration, …. Infrared radiation is a form of electromagnetic radiation which is found just outside the visible portion of the spectrum, before the color red 1. Anything that has an antenna, built in or otherwise, emits RFs and this includes wireless handsets. 'My friend's parents hired a sunbed at their home and I used it,' she recalls. Fortunately, there is no convincing evidence that such fears are warranted. The only real protection we have against this bombardment of UV rays is a pair of sunglasses. Learn ultraviolet with free interactive flashcards. Some insects and animals can see in this range. The Effects of Ultraviolet (UV) Radiation on the Eyes Ultraviolet (UV) radiation from the sun can cause sunburn and skin cancer. It is ultraviolet rays from the Sun that cause sunburns. Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. There is a common myth that UV radiation brings only harm to our health. As more individuals become concerned about the dangers of electromagnetic fields, some scientists are stepping in. UVA rays account for 95% of the UV radiation on earth’s surface, and penetrate the second layer of our skin (dermis). Ultraviolet Rays or UV rays for short is a type of electromagnetic radiation that causes many negative health factors to the human body. Infrared radiation is a form of electromagnetic radiation which is found just outside the visible portion of the spectrum, before the color red 1. It is absorbed very strongly by most solid substances, and even absorbed appreciably by air. Ultraviolet (UV) radiation occupies the portion of electromagnetic spectrum from 100 to 400 nanometers (nm). Very high doses of radiation cause damage to human cells, as evidenced by skin burns, loss of hair, and increased incidence of cancer. Listen to the Cancer. UVR can cause 'sunburn' to the outer surface of the eye. Ultraviolet light is produced when a gas is subjected to a high voltage discharge. The higher end of this spectrum (X-ray to gamma) is dangerous radiation to human health. The waves cause heat by exciting molecules (increasing their movement) in the substances they strike. ultraviolet light Electromagnetic radiation of shorter wavelengths than visible light but longer wavelength than X-rays. An introduction to the EM spectrum going through each of the different types of waves with their frequencies, wavelengths, uses and dangers. The skin tries to prevent further injury by producing melanin (the pigment that gives our skin its color) that results in darkening – what we call a tan. Humans see the world differently than most other animals. However, you also have to pay attention to the dangers of gamma rays. Ultraviolet light is a form of radiation which is not visible to the human eye. Different frequencies of EM radiation have different degrees of penetration. Actinic keratoses are considered precancerous because one in 100 will develop into squamous cell carcinoma. The ultraviolet index and your local forecast. " Q: How can exposure to IR and UV radiation injure your eyes?. Answer: 92: What is the Difference between Ultraviolet Waves and Ultraviolet Light? Answer: 93: What does Fluorescent mean? Answer: 94: Give one Use of Ultraviolet Light. To have an effective UV index, we need to know more than just how much UV radiation the sun emits. UV light is used for the disinfection of liquids, air and surfaces, curing of various adhesives, medicine, dentistry, microbiological research, forensic science and many other applications. The human eye is sensitive to all radiation, including infrared radiation. IR can usually be felt as heat. Radio waves are the lowest-energy, lowest-frequency and longest-wavelength electromagnetic waves. UVR can cause 'sunburn' to the outer surface of the eye. The dangers of ultraviolet radiation exposure, which most often comes from the sun, are well-known. Available on Vizient GPO Contract #CE2900 (Vizient customers call for contract pricing. UV light is classified into types based on wavelength, he says, with UV-A light (the longest wavelength) being most associated with skin aging and also with certain skin cancers, and UV-B light. Ultraviolet radiation is hazardous to both skin and eyes. com, a free online dictionary with pronunciation, synonyms and translation. Its understanding of radiation dangers has virtually lost all contact with the actual dangers as understood by scientists. The only real protection we have against this bombardment of UV rays is a pair of sunglasses. Sreeraj S R UVR (ULTRAVIOLET RADIATION THERAY) INTRODUCTION • • • • Ultraviolet radiation (UVR) covers a small part of electromagnetic spectrum lying between the violet end of the VISIBLE LIGHT and X-RAY REGION. Since first being used to image bones over 100 years ago, the X-ray has saved countless lives and helped in a range of important discoveries. ultraviolet light Electromagnetic radiation of shorter wavelengths than visible light but longer wavelength than X-rays. Ultraviolet wavelengths less than 200 nanometers, X-rays, and gamma rays, are collectively called ionizing radiation since the energy in any such light quantum is high enough to 'kick' an electron out of an atom. Learn ultraviolet with free interactive flashcards. Please use one of the following formats to cite this article in your essay, paper or report: APA. The present case report describes a 90 min accidental exposure to UV-C radiation of 26 medical school students. Ultraviolet radiation definition at Dictionary. According to one source , the range from 4,000,000 to 5,000,000 microsieverts (4 to 5 sieverts) received over a very short time causes death to 50 percent of an exposed. Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for coloration. Most ultraviolet (UV) light from the Sun is blocked by the atmosphere before making it to the surface, but the American Cancer Society points out that UV light is still the main cause of the damaging effects of sunlight on human skin. Give one Use of Infra-red Waves. This takes a bit to follow, but I promise it will be worthwhile knowing from an eye safety perspective. Most forms of EMR can be dangerous; however the most dangerous form of Electromagnetic radiation has the most energy. Ultraviolet light is defined as a type of radiation that cannot be seen by human eyes. Out of these, only UVA and UVB types are harmful to our skin, damaging its surface and inner structure when taking prolonged sunbaths. UV rays have more energy than visible light, but not as much energy as x-rays. But UV light can be dangerous to humans. This radiation is called gamma rays. Ultraviolet light, commonly known as UV light, is one type of electromagnetic radiation that comes from the sun and is transmitted at different wavelengths and frequencies. When skin is exposed to ultraviolet (UV) light—the type of light in sunlight—several things happen. If you’ve ever seen—and heard—a black-light bug zapper at work, you know the strange command UV radiation seems to hold over insects. As a result the time saved in the auto industry was drastic, as was the turnaround time for automotive body repairs. Most people hear terms like radiation and ___F__(1) as a bad or dangerous thing. Ultraviolet waves can cause damage to skin cells and eyes, and increase the risk of skin cancer X-rays and gamma rays can cause the mutation of genes, which can lead to cancer previous. Excess exposure to UV causes skin inflammation, and possibly even skin cancer or permanent eye damage. I was recently interviewed by Dave Asprey when I visited his Bulletproof lab on Vancouver Island. Most natural UV light is generated by the sun with about ten percent of sunlight being UV and only about three to four percent penetrating the atmosphere to reach the ground. Wear long sleeves and long pants. What makes X-rays very dangerous to the health is the radiation which they are basically made up of. As the coronavirus pandemic continues, many companies are touting products that claim to kill dangerous pathogens in the air or on surfaces using ultraviolet light. Radio Waves. Photons are classified by the amount of energy they carry. Eye damage The human eye is sensitive to all radiation, including infrared radiation. Dangers Of Ultraviolet Radiation To Your Eyes Thanks to the great people over at All About Vision we have some useful information about the dangers of UV light. the light causes the DNA in your skins cells to make chemical bonds that it shouldn't be making, and when your skin cells replicate and divide, the damaged DNA may not replicate properly, leading to mutation and possible skin cancer. UV In Our Atmosphere. As the coronavirus pandemic continues, many companies are touting products that claim to kill dangerous pathogens in the air or on surfaces using ultraviolet light. Ultraviolet (UV) radiation occupies the portion of electromagnetic spectrum from 100 to 400 nanometers (nm). 01nm to 10 nm (3x10^10 down to 3x10^7 GHz) while the UV, typically, with a wavelength of 10 nm to 400 nm ( 3x. printing ink driers, food warmers in restaurant kitchens, cold weather outdoor heaters and for therapeutic heat treatments. Black lights emit ultraviolet radiation (UV light). In 1801, Johann Ritter discovered this portion of the electromagnetic spectrum that is invisible through an experiment using photographic paper. Neuroscientist Dr. Ultraviolet light is defined as a type of radiation that cannot be seen by human eyes. Ultraviolet rays can also have bad effects on nature. Joel Moskowitz points out, most 5G studies are misleading because they do not pulse the waves. Like rolling ocean waves, Rayleigh waves wave move both vertically and horizontally in a vertical plane pointed in the direction in which the waves are travelling. (Illustration by Robert Simmon) DNA readily absorbs UV-B radiation, which commonly changes the shape of the molecule in one of several ways. " Ultraviolet (UV) light can harm your eyes. The Sun’s Spectrum of Ultraviolet Rays. Tightly woven, dark fabrics are best. UV light is very similar to visible light except it has more energy, and the wavelengths are too short to be picked up by human eyes. Contact lens wearers can get lenses that filter out a majority of UV radiation. Dangerous waves can be generated by low pressure systems, including those far away. Sunlamp is a lamp that involves the usage of UV-light, where it shines the ultraviolet radiation onto a person lying on a sunbed. The practice was originally developed in the United States, but most recent research on it has been conducted in Germany (by UV lamps) and in Russia (in all variants). Over time, repeated exposure can result in melanoma—the most dangerous type of skin cancer—as well as squamous cell carcinoma and basal cell carcinoma. These are the same wavelengths of light that are used for medical therapies. Ozone in the Earth’s atmosphere provides some protection, but the. The Hidden Dangers of Medical Scans Those of us who’ve had more sunburns (caused by the sun’s ultraviolet radiation) are at higher risk of getting skin cancer. This spectrum is more often broken down into four categories: Vacuum, Short Wave, Middle Wave and Long Wave’ or VUV, UVC, UVB & UVA. When normal light hits an atom, it can't change the atom in any significant way. UV light can be harmful just as the sun's UV light can be when someone is exposed for too long a time. Learn ultraviolet with free interactive flashcards. Look for sunglasses that block 99 percent or 100 percent of all UV light. What is the BEST explanation of the relationship between wavelength and wave energy? A) Wave energy is related only to frequency, not wavelength. Joel Moskowitz points out, most 5G studies are misleading because they do not pulse the waves. the light causes the DNA in your skins cells to make chemical bonds that it shouldn't be making, and when your skin cells replicate and divide, the damaged DNA may not replicate properly, leading to mutation and possible skin cancer. Today we live in a technologically advanced world. UV Light located next to visible light on the spectrum has higher frequency which equates to higher radiation. UVC light is part of the ultraviolet light spectrum and emits a high frequency of UV light that makes it extremely effective at killing bacteria, viruses, mold and other pathogens. Firat’s new system draws on a century-old technology for fending off infectious diseases: Energetic waves of ultraviolet light — known as germicidal UV, or GUV — are delivered in the right. UV-A – 315-400nm UVA is the most commonly found form of UV, and is responsible for the tanning effect we see in our skin after time spent in sunlight. UV radiation can increase your risk of developing melanomas. The more energy a wave has, the more dangerous it is to humans. Photon - Discrete packets of energy that make up electromagnetic radiation. The UV spectrum consists of three regions: UV-A (315–400 nm) UV-B (280–315 nm) UV-C (100–280 nm) For most people, the main source of UV exposure is the sun. The lamps are used in a variety of applications where disinfection is the primary concern, including air and water purification, food. Electromagnetic radiation is very common in our everyday lives in the form visible light, radio and television waves, and microwaves. On the positive side, skin exposed to UV light makes vitamin D, an important nutrient. X-Ray radiation is a form of ionization radiation that is potentially very hazardous. UV-C rays are the most harmful and are almost completely absorbed by our atmosphere. While teaching, be sure to point out and reinforce that people with darker skin types must also be concerned about UV radiation exposure and use sunscreens regularly. But it is important to acknowledge its potential risks. It's in an invisible part of the "electromagnetic spectrum". Go to a salon that uses an LED curing light rather than a UV curing light: Gel nails require ultraviolet (UV) light to harden. Sreeraj S R UVR (ULTRAVIOLET RADIATION THERAY) INTRODUCTION • • • • Ultraviolet radiation (UVR) covers a small part of electromagnetic spectrum lying between the violet end of the VISIBLE LIGHT and X-RAY REGION. Ultraviolet rays can come in two main forms, UVA and UVB. On the positive side, skin exposed to UV light makes vitamin D, an important nutrient. While some UV is filtered by the ozone layer, increasing amounts are reaching the earth as the ozone layer steadily diminishes. they are also present in vaccums , they also are used in certain types of medicine also used in hospitals. In the UK almost 9 in 10 cases of melanoma, the most serious type of skin cancer, could be prevented through enjoying the sun safely and avoiding sunbeds. See full list on ehs. The atmosphere also absorbs most of the infrared radiation which reaches the Earth from space. UV is radiation with a wavelength just shorter than that of violet light, which is the shortest wavelength of light in the visible part of the electromagnetic spectrum. Depending on its wavelength, different types of solar radiation do different things: Infrared radiation makes us feel the warmth of the sun. Research suggests that it may:Cause premature aging and wrinkling of the skinPlay a role in causing basal cell carcinoma, squamous. Dangerous rays Sunlight contains three types of UV. 1- UV light can damage the human skin. 3- Possible eye damage can result from high doses of UV light, particularly to the cornea which is a good absorber of UV light. Choose from 500 different sets of ultraviolet flashcards on Quizlet. Nonsense about the Health Effects of Electromagnetic Radiation. Ultraviolet radiation is at its peak during the hours of 11 a. Ultraviolet light is divided into three zones—UVA with wavelengths from 380 to 320 nanometres (billionth of a metre), UVB from 320 nm down to 290 nm and UVC from 290 nm down to one tenth of a nanometre. UV-C (also called germicidal UV) is part of the ultraviolet spectrum that can inactivate pathogens like bacteria and viruses. The UV index also known as the Ultraviolet Index, is an international system of measuring ultraviolet solar radiation for a specific day and geographical location. Exposure to ultraviolet (UV) radiation is a risk factor for most skin cancers, according to the American Cancer Society. Of these, ultraviolet (UV), X-ray and. Eye damage The human eye is sensitive to all radiation, including infrared radiation. UVA rays cause skin aging and eye damage, and can lower your body’s ability to fight off illness. Collectively, the electromagnetic spectrum includes: radiofrequency (radio, television and microwave. Dangers of Indoor Tanning Beds Skin Cancer. When the electron returns to its original position, an electromagnetic wave is produced. These lamps and bulbs can appear in applications ranging from home water purification systems to commercial spaces like laboratories. How UV radiation increases skin cancer risk When your skin is unprotected from the sun, ultraviolet radiation (UV) can damage your DNA. That includes ultraviolet, visible light, infrared, and everything with a lower frequency, like radio waves. Ultraviolet radiation is at its peak during the hours of 11 a. Radiation exists across a spectrum from very high energy, such as x-rays and gamma rays, to very low energy, such as radio waves. Ultraviolet light is a type of light or electromagnetic radiation that has a shorter wavelength than that of visible light. What makes X-rays very dangerous to the health is the radiation which they are basically made up of. Radiation may be defined as energy in transit in the form of high-speed particles and electromagnetic waves. said in a video published April 24 that UV radiation is. The biological effects of UV radiation depend on the wavelengths concerned. Dangers of Gamma Rays. This ranges from extremely low frequencies, or ELF, which includes radio waves that can be tens of thousands of kilometers long, to some extremely rare, ultra high energy, cosmic rays which can have the energy of a bullet and wavelengths so short they need to use a step ladder to comb their hair. This radiation comes from natural sources (like sun rays) and man-made sources (like microwave ovens and medical X-rays). We cannot see or feel ultraviolet radiation, but our skin responds to UV exposure by turning darker over time. The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. Ultraviolet radiation (ultra meaning "beyond") encompasses its own range of light rays, all of which are undetectable by the naked eye (of humans, at any rate). If your health care professional explains there is no need for an X-ray, then don't demand one. Answer: 95: Give one Danger of Ultraviolet Light. This is important because research on microwaves already tells us how pulsed waves have more profound biological effects on our body compared to non-pulsed waves. " Pros and Cons of UV Light. Health Physics 56(6): 971-972, 1989. Radiowaves, microwaves, heat waves, visible light and ultraviolet radiation are forms of nonionizing radiation. Ultraviolet A (UVA) is made up of wavelengths 320 to 400 nanometers (nm) in length. A transilluminator uses an intense source of UV radiation to make visible the fluorescent marker used in electrophoresis gels. com) Purpose: to record the sound-mix for movies. Most fluorescent lamps work on the following principle. Sunlight travels to Earth as a mixture of both visible and invisible rays, or waves. Tanning is caused by exposure to ultraviolet (UV) radiation from the sun or tanning beds that causes genetic damage to cells on your outmost layer of skin. Electromagnetic radiation is very common in our everyday lives in the form visible light, radio and television waves, and microwaves. Go to a salon that uses an LED curing light rather than a UV curing light: Gel nails require ultraviolet (UV) light to harden. The ionizing radiation standard covers alpha, beta, gamma, and X-rays; neutrons; high-speed electrons and protons; and other atomic particles; but does not include sound or radio waves, or visible, infrared, or ultraviolet light. NEPP Webex Presentation –Radiation Effects 101 presented by Kenneth A. Unlike more tropical climates, here we can comfortably sit outdoors in direct sunlight for long periods, and for those with paler skins especially, sunburn is still a common complaint. It will burn human skin rapidly in extremely small doses. Ultraviolet wavelengths less than 200 nanometers, X-rays, and gamma rays, are collectively called ionizing radiation since the energy in any such light quantum is high enough to 'kick' an electron out of an atom. They are not. Ultraviolet B rays may be detrimental and can cause sunburns. Ultraviolet B (UVB) wavelengths are 280 to 320 nm in length. Ultraviolet radiation,that portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to the X-ray region. One of them is a UV-light-emitting robot that. As the coronavirus pandemic continues, many companies are touting products that claim to kill dangerous pathogens in the air or on surfaces using ultraviolet light. Sunbeds and lamps can be more dangerous than natural sunlight, because they use a concentrated source of ultraviolet (UV) radiation. The tardigrades were aboard the FOTON-M3 spacecraft launched by the European Space Agency (ESA) in September 2007 and were exposed to. Of these, ultraviolet (UV), X-ray and. The ultraviolet (UV) index provides a consistent and international measure of the sun's ultraviolet strength. Studies show exposure to cell phone radiation does not lead to brain cancer, brain tumors, or other tumors. We cannot see or feel ultraviolet radiation, but our skin responds to UV exposure by turning darker over time. It makes up about 8% of our average yearly exposure to radiation. LED emits lower levels of UV radiation than a UV curing light. Speaking at The Physiological Society's Extreme Environmental Physiology conference next week, W. Exposure to UV rays is damaging not just to the human body, but also things surrounding us. Ultraviolet light, commonly known as UV light, is one type of electromagnetic radiation that comes from the sun and is transmitted at different wavelengths and frequencies. Answer: 95: Give one Danger of Ultraviolet Light. Sub 6-GHz spectrum: Frequency range below 6 GHz range is grouped under Sub-6 GHz category. Ultraviolet purification itself is not enough to purify water down to drinking water purposes. The most intense and therefore dangerous part of the instrument is the path of the incident X-ray beam. An introduction to the EM spectrum going through each of the different types of waves with their frequencies, wavelengths, uses and dangers. Ultraviolet radiation (UV) is an invisible component of sunlight that is most commonly known to cause sunburns and skin cancers. Symptoms include a sensation of sand in the eye that may last up to two days. Therefore, the ultraviolet (UV) radiation is of A, B and C type. Answer: 91: Give one Danger of Infra-red Waves. Ultraviolet light is used to kill bacteria. A summary of the spectrum showing the wavelength and frequency. 4 µm, micometres). The ozone layer helps to protect life from harmful ultraviolet radiation. Disadvantages of UV Water Purification. Businesses and ordinary people are using UV, ultraviolet light, devices and systems to protect against coronavirus. First, it is helpful to understand the different type of sunlight rays in the atmosphere. Eliminates maintenance hassles with easy. Ionizing radiation refers to radioactive particles, such as alpha and beta particles, or electromagnetic waves, such as gamma or ultraviolet rays, which have sufficient energy to detach electrons off of atoms to create ions, hence the name “ionizing radiation. Since first being used to image bones over 100 years ago, the X-ray has saved countless lives and helped in a range of important discoveries. Radiation is the emission (sending out) of energy from any source. Sunbeds and sunlamps can also cause premature skin ageing. Microwaves are NOT ionizing radiation, so the wireless and mobile signals do absolutely nothing - the power is way too low, otherwise you'd need to charge your phone every 5 minutes. The information on this page provides answers and information to inquiries regarding RF Safety. Department of Health and Human Services and the World Health Organization. There is a widespread belief that low energy electromagnetic radiation fields can cause a wide variety of health issues. "When considering the effect of UV radiation on human health and the environment, the range of UV wavelengths is often subdivided into UVA (400–315 nm), also called Long Wave or 'black light'; UVB (315–280 nm), also called Medium Wave; and UVC (< 280 nm), also called Short Wave or. According to a 2006 Canadian Cancer Society survey, more than 50,000 Ontario youth are exposing themselves to dangerous levels of ultraviolet radiation. Very high doses of radiation cause damage to human cells, as evidenced by skin burns, loss of hair, and increased incidence of cancer. Arc eye is caused by UV radiation. (2020, May 18). There are no real health problems directly associated with radio waves. Long waves, like radio waves, are harmless to people. (This is why you can get a sunburn, UV light is a form of ionizing radiation, and can burn your skin!). Therefore, UVC light is used for disinfection. LED emits lower levels of UV radiation than a UV curing light. Ultraviolet C (UVC) wavelengths are 100 to 280 nm in length. Electromagnetic waves and the electromagnetic spectrum Our mission is to provide a free, world-class education to anyone, anywhere. Natural sunlight and UV lamps used for tanning give off the harmful rays. UVC light is part of the ultraviolet light spectrum and emits a high frequency of UV light that makes it extremely effective at killing bacteria, viruses, mold and other pathogens. Dangers: over-exposure to UVA and B damages surface cells and eyes and can cause cancer. Prolonged IR exposure can lead cataracts, corneal ulcers, and retinal burns. On the positive side, skin exposed to UV light makes vitamin D, an important nutrient. Instructions on how to access classes will be provided by email. In fact, infrared radiation accounts for about 53% of solar radiation, visible light accounts for about 39-44%, and UV radiation accounts for about 3-7%. The answer is neither. 4 Penetrating ability of EM radiation (ESADL). Ultraviolet radiation is at its peak during the hours of 11 a. There are a lot of myths when it comes to the dangers of microwaves. UV light can be seen by bees – it reflects off flower petals and the bees use it to direct themselves to the pollen. UV In Our Atmosphere. In fact, ultraviolet radiation emitted from indoor tanning equipment can be up to 5 times as strong as the midday summer sun. Most people hear terms like radiation and ___F__(1) as a bad or dangerous thing. UVA rays cause skin aging and eye damage, and can lower your body’s ability to fight off illness. Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. Lower frequency radiation, consisting of ultraviolet (UV), infrared (IR), microwave (MW), Radio Frequency (RF), and extremely low frequency (ELF) are types of non-ionizing radiation. Health issues of ultraviolet A sunbeds used for cosmetic purposes. by Lotti Tajouri, Mariana Campos, Rashed Alghafri and Simon McKirdy, The Conversation. WHEN UV IS 3 OR ABOVE, SUN PROTECTION IS A PRIORITY SUN PROTECTION. Polar Stratospheric Clouds (PSCs) - Clouds that form during the winter months in Antarctica and sometimes in the Arctic. How UV radiation increases skin cancer risk When your skin is unprotected from the sun, ultraviolet radiation (UV) can damage your DNA. spectrum All of these are "electromagnetic waves". There are no real health problems directly associated with radio waves. But just like green lasers, powerful enough blue or violet light can be dangerous. The full spectrum is composed of radio waves, microwaves, infrared, visible light, ultraviolet, X-rays and gamma rays – all emitting and carrying energy. These wavelengths are entirely absorbed by our atmosphere and no natural UVC. Yet the other part of the light spectrum (the visible light section) might also have an effect. Depending on the wavelength and time of exposure, UV radiation may cause harm to the eyes and skin. Visible light: This is the radiation that we see all around us as what most people call ‘light’. It is estimated that more than half (54%) of the sun’s radiation is infrared, whereas 39% is the visible rays and the remaining 7% is the ultraviolet rays. The experiment will show how we can detect the ultraviolet (or UV) radiation of the Sun which, although invisible, affects the skin, eyes and the DNA of our. International Radiation Protection Association. UV rays hit a special dye covering the bulb, which absorbs UV radiation and emits visible light. Ultraviolet (UV) radiation is defined as that portion of the electromagnetic spectrum between x rays and visible light, i. The plots are not adjusted for changing demographics, and assume that the personal dose of ultraviolet (UV) radiation is a constant fraction of ambient UV radiation in all years and across all. As the coronavirus pandemic continues, many companies are touting products that claim to kill dangerous pathogens in the air or on surfaces using ultraviolet light. Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays. But without long-term studies showing “far-UVC” doesn’t harm people, “my excitement [is] tempered with the concern that it could be an application that could have some dangerous side effects or direct effects. Longer wavelength radiation is of lower energy and is usually less harmful - examples include radio, microwaves and infrared. As the graphic shows, visible light comprises only a tiny fraction of this spectrum: less than an octave. In industry, radioactive "tracer" substances can be put into pipes and machinery, then we can detect where the substances go. but it's also the cause of pyrimidine dimers. Take up the quiz below on Electromagnetic Spectrum. UV rays have more energy than visible light, but not as much energy as x-rays. It can also burn the front surface of the eye, much like a sunburn on the skin. Millimeter waves: Frequency range above 24 GHz and below 100 GHz (for 5G applications). Dangerous waves can be generated by low pressure systems, including those far away. ELECTROMAGNETIC SPECTRUM CONCEPT One of the most amazing aspects of physics is the electromagnetic spectrum—radio waves, microwaves, infrared light, visible light, ultraviolet light, x rays, and gamma rays [1]—as well as the relationship between the spectrum and electromagnetic force. UV radiation exposure can injure the cornea, the outer protective coating of the eye.