- Their cell phones are tested exposed to radiation On your head and other body parts.
- cellular networks The use of frequencies close to radio waves, which are non-ionizing radiation.
- All radioactivity is radiation, but not all radiation Radioactivity.
Rumors have been circulating for years, but we finally have some of them fixed numbers On the amount of radiation emitted by different smart phones From the German Federal Office for Radiation Protection (BFS). Which phones are the brightest, and how are these measurements taken? Carry your phone at a respectable distance and keep reading.
You might hear the word “radiation” and jump to something like Radioactivity. This is a slight error in the category. Radiation is any directional energy Traveling at the speed of lightLike the sun’s rays, as well radiant energy. The spectrum of electromagnetic radiation includes microwaves, radio waves, visible colors of light, infrared, ultraviolet, X-rays, and gamma rays.
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Some waves go through people or walls, otherwise you wouldn’t be able to use the radio inside the house or car, right? X ray They pass through soft tissue, but not bone. Other waves — such as infrared, ultraviolet, and the visible light spectrum — do not pass through most materials. Sunlight, for example, casts a shadow when it strikes solid objects.
Radioactivity is a specific type of radiation; It’s when the corn Wants to emit radiation In the form of particles emitted from its contents, as in the case of nuclear radiation. So all radioactivity is radiation, but not all radiation is radioactivity. The process of atoms getting rid of their molecules during Radioactivity It is called decay. Radioactive isotopes usually decay until they settle into a stable, non-radioactive isotope.
Another major difference is ionizing radiation vs non-ionizing radiation. ionizing radiation, such as gamma rays and X-rays, scavenge materials and steal their electrons. This ability to chemically alter substances such as living tissue means that ionizing radiation is harmful – which is why you cover the rest of your body with Leadership Apron in the dentist’s office.
Non-ionizing radiation, such as radio and microwave ovens, it can travel through certain materials, but it does not chemically change the materials it touches. You may have seen some myths about “microwave water” that we can assure you are just taste, because microwave water is just water with more heat energy.
When you use a cell phone, it is constantly sending and receiving information through the air in a region of the electromagnetic spectrum near radio waves. This is why cell towers are huge antennas similar to those used by radio and television broadcasting stations, with waves certainly traveling through our walls. At the same time, this is why early cell phones suffered the most in terms of coverage in or inside brick buildings cellars.
You are now fully familiar with the subject of du jour. Back to cell phones. The radiant energy absorbed by the body is measured as SAR (SR). This value is specified in watts per kilogram, since kilograms are body tissue or other substances that can absorb radiation. Although radio waves are ambient and completely harmless, targeted spot radiation is also potentially harmful.
A dose of 2 Watts per kilogram is considered the beginning of the harmful range of radiation. This radiation can affect us when we talk on the phone, and hold the device close to our heads. It can also affect us from inside our pockets or when we hold phones in our hands.
So which phones are the worst offenders? The 2020 Motorola Edge is by far the worst with radiation coming in at 1.79 watts per kilogram, flirting with the harmful range. Google Pixel 6 phone, iPhone 13 Pro, and the iPhone 12 all have about 1.00 watts per kilogram of radiation. The Samsung Galaxy S21 Ultra has 0.71 watts per kilogram of radiation, and the Google Pixel 5A has 0.47 watts per kilogram. The full list of data for hundreds of phones Available here.
If you are really concerned about radiation exposure, consider choosing a lower radiation phone model or even just storing your phone on your desk or in your bag rather than carrying it in a pocket. And when possible, put the phone on the speakerphone or use it headphones Put it on the desk or table while talking. But in general, remember that this small amount of radiation is still in the safe range less than 2 watts per kilogram.
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