How dangerous are mobile phones, transmission masts, and electricity pylons?Cellular PhoneElectromagnetic FieldsNeoplasms, Radiation-InducedRadio Waves电磁场肿瘤, 辐射性无线电波Electrical power and mobile communications deliver enormous benefit to society, but there are concerns whether the electric and ...
If all this talk of the horrors of radiation has you in a panic, here's something reassuring: Most types of radiation are harmless; even the dangerous kinds won't cause radiation sickness unless you receive a large dose. In fact, any type of emitted energy is basically radiation, like the...
Perhaps that's a good thing. Happily, aircraft malfunctions are exceedingly rare – statistically speaking, your car is a whole lot more dangerous. But when planes do fall from the sky, it's a relief to have some idea why...otherwise, engineers and family members would be left agonizing,...
The higher the energy, the stronger, and therefore more dangerous, the radiation. The only difference between a radio wave and a gamma ray is the energy level of the photons [source: NASA]. Below is the electromagnetic spectrum at a glance. Radio: Radio waves have the longest wavelength in...
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Blowouts are easily the most dangerous and destructive potential disasters in the world of oil drilling. How Do Drilling Fluids Work? Drilling deeper, longer and more challenging wells has been made possible by improvements in drilling technologies, including more efficient and effective drilling fluids...
And so if you record those waves and when they come back and how they're reflected, what doesn't get reflected and what does. And there are different types of wave that travel from earthquakes and you can use the different types to do this, you effectively are scanning the Earth. And ...
Actually, radioactive levels in the Pacific from Fukushima are around 1-2 Bq/m3, very much lower than the 13000 Bq/m3 that the Earth seas naturally have. (Of course, things are not so easy. They look for the caesium, which is by now the most dangerous radioisotope but not for other ...
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“There’s this perception that it is dangerous, and it can be, especially if you don’t know what you’re doing,” Nowotarski says. “In general, though, weather is not the biggest risk, it’s the traffic.” The terrain in the southeast U.S., where there are fewer clear lines ...