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Однако, в Wi-Fi-точки и мобильные телефоны излучают волны достаточно низкой частоты (по сравнению с видимым светом), поэтому эффект а) не может произойти, а поскольку энергия таких устройств очень мала, нагревания тоже не происходит. Поэтому, вред такие устройства не приносят.Кое-какие эффекты происходят и при сравнительно низких частотах:
Molecules and cells under the influence of RF electric fields at frequencies up to 100 MHz would
rearrange and form chains along the direction of the field. This phenomenon has been observed by many
investigators and often referred to as the pearl-chain effect (Schwan 1982; Takashima and Schwan 1985). [pdf, p. 49]
Under moderate conditions, a temperature rise on the order of 1°C in humans and laboratory animals can
result from an SAR input of 4 W·kg-1. However, this value falls within the normal range of human thermoregulatory capacity. Above this temperature or SAR value, disruption of work in trained rodents
and primates has been reported for normal environmental conditions (ICNIRP 1998). [там же, p. 52]
Cell phone also use microwaves to carry their signals. Do you dare put a cell phone up to your ear? There are many urban legends about that. Low levels of microwaves cause only low levels of heating, and your eyes can handle that with no trouble. Microwaves do not have the ability to damage DNA in the same way as x-rays and gamma rays. Most of the fear that microwaves can cause cancer is simply a reaction to the fact that microwaves are sometimes called microwave radiation, and the use of the term radiation frightens some people.Цитата из «Physics for Future Presidents» prof. R. Muller.

Использование Wi-Fi и мобильных телефонов в Европе могут ограничить