| Myth #1: Only one cell phone has the largest amount of electrical radiation? |
Rumors: "It's best not to call the phone when it has only one cell, or when it's charging. It's 1000 times that at this time."
Experts explained: Usually people's mobile phone radiation intensity refers to the power of the mobile phone, which is the power of electromagnetic waves emitted by mobile phones that carry voice and data signals. This strength has nothing to do with the remaining power of the phone, but it has a certain relationship with the strength of the mobile phone signal.
Conclusion: Rumors confuse the concept of "one cell" and "one cell" in cell phones. Cell phone radiation has nothing to do with power. The first 3 seconds after the mobile phone is connected, the radiation is the greatest. It is recommended to use the earphone to answer the phone.
| Misunderstanding 2: Hair dryer is a high-radiation killer for home appliances? |
Rumors: “The cumulative amount of radiation used for three consecutive long-time high-power hair dryers is equal to one X-ray at the hospital.â€
Experts explained: For the radiation problems of various household appliances, we must first clarify the basic common sense: as long as the electrical voltage is connected to both ends of the appliance, there must be an electric field; as long as there is current flowing in the appliance, there will be a magnetic field around the current. Therefore, no matter the size of a household appliance, whether it is a computer, a TV, a microwave oven, or a flashlight, as long as it is related to electricity, it will radiate out more or less out of the electromagnetic field.
The radiation of a hair dryer belongs to a low-frequency electromagnetic field, although a high intensity does not mean that it is more dangerous than a microwave oven or an electromagnetic oven that generates a high-frequency electromagnetic field. The X-ray radiation mentioned in electromagnetic radiation and rumors of household appliances is a concept of two different categories. X-ray is an ionizing radiation similar to nuclear radiation. All household appliances radiate non-ionizing radiation. The amount of radiation cannot be converted and there is no comparable.
Conclusion: The radiation of small appliances such as hair dryers and razors is far less alarmist than rumors. However, because of long time, close to the head, it is recommended not to use too long each time. It is best not to use the hair dryer for more than 20 minutes in continuous use, and no more than 3 minutes for the shaver.
| Misunderstanding 3: wifi radiation is harmful to human body |
Rumors: There are arguments that radiation will affect the development of the fetus; there are also arguments that long-term WiFi radiation will kill sperm, and even harm the male reproductive function ... or even broke the "wife pregnancies, men asked neighbors to disable WiFi" news.
The expert explained: The WiFi electromagnetic radiation value decreases with the distance, and the weak intensity of 1 or less is stable beyond a distance of more than half a meter. The radiation value outside the range of 1 meter is negligible. As long as it does not exceed 12 volts/meter, it is a safe range value.
Conclusion: The radiation of the WiFi transmitter is extremely small, far below the highest limit specified by the national standard, and gradually weakens as the range becomes larger. The radiation value of the space beyond 1 meter and even outside the partition is negligible. However, it is recommended to place the WiFi transmitter out of the range of 0.5 meters from the bedside. When not in use, turn off the power as much as possible.
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