Иваныч, я на востояном побережье.
Ты, конечно, не помнишь про Чернобыль и днсятки тысяч на Украине и Белоруссии, которые получили реальные поблемы по онкологии из за него.
Ты не помнишь 1 мая, когда людей выгнали на демонстрацию во время твоего славного СССР. Это же дальше от тебя, чем Калифорния.
Не зато я теперь знаю у кого куски хлеба
Кстати, на видео источника странные величины измерения - CPM (counts per minute). Совершенно непонятно, какое излучение меряется - я так понимаю что альфа
Вот адекватный ответ из каммента:
CPM need to be very high, ie. 1000 or more before you are getting into the level of several microseiverts/hour, which is still not very dangerous. But if the radiation is alpha, then the sieverts are zero even if the CPM is very high. Confusing? You betcha!
It takes quite some effort to even begin to understand radiation units and effects. How many people can even describe the difference btw radiation exposure and radioactive material exposure? Yet the media completely confuses these terms regularly, since journalists are usually technically illiterate.
Roughly, 0.42 microsieverts/hr is natural background, and depending on the detector, corresponds to about 50-150 CPM.
But fluctuations on the order of 2-3x this on a Geiger counter at the beach in no way constitutes positive proof that the cause is Fukushima, since day to day variations in natural sources can cause this. Read about radon on wikipedia. The only way to be sure would be to get a sample which after spectroscopic analysis was shown to contain fission isotopes rather than naturally occurring radioactive stuff.
You need 11.4uSv/hr continuous exposure for a year to get 100mSv, which is the lowest dose that can be linked to an increased risk of cancer. This is 27x background. So if this guy set his meter alarm to that threshold, he would need to reach about 1350 CPM to signify this level of hazard. Which is still a very slight hazard, since the "increased risk of cancer" associated with 100mSv/yr is undefined, and could be at the statistical limit of significance, ie, just a few % more than normal.
All of this argues for the importance of serious science and math education. Technically illiterate people simply can't make heads or tails of this stuff.
Иваныч, переведи и почитай.