Recent questions tagged radiation

Description : Do you believe that cellphone towers are harmful to humans?

Last Answer : No. I have looked at a review of the evidence written by the UK NHS. There is no evidence that these masts or towers have any harmful effects. More research is being carried out which is a good thing

Description : Have I got this radiation calculation correct?

Last Answer : answer:Ha! We're on the same page! I just measured a 3 pack of old Bright Brand Gas lamp Mantles Extra heavy duty. I measured mine at 4.82 microsieverts/hr or 0.48 milli rem/hr . Your mantle is about 10X ... . Your math is right! I measure ambient here at 0.1 uSv/hr. ~10 uRem/hr (Rem are old units)

Description : Which is the most unhealthy food for us to eat?

Last Answer : Fish

Description : Why isn't there a lethal radiation hazard on the surface at the earth's magnetic poles?

Last Answer : I think you have a serious misunderstanding of what the earths magnetic field does. It deflects them, it does not funnel them down.

Description : Has anyone seen the latest story on the radiation leaking from the nuclear power plant in Japan?

Last Answer : I think that the Pacific Ocean will do a very good job of diluting it before it ever reaches the US, so I’m more concerned about the Japanese who lived close to the plant.

Description : What is the United States government doing to protect their citizens from the Fukushima Pacific Ocean contamination?

Last Answer : I don’t know, but I, for one, am very concerned.

Description : Do you think that when the California radiation detectors begin working again, the radiation levels will be much higher?

Last Answer : Not a tic.

Description : Has there been any radiation found on vegetables in the US (CA)?

Last Answer : answer:You should understand the difference between radiation and radioactive contamination . You won't find radiation on vegetables, or on anything else for that matter, which is not either ... down every potential source of man-made radiation / contamination. But that wouldn't be accidental.

Description : Did you hear anything about the space station having something to do with solving the problem of future radiation meltdowns?

Last Answer : No, the space station could not divert radiation. No possible way it could do that.

Description : Do you trust the government media's report about radiation levels from Japan?

Last Answer : I trust them at the moment because I don’t think the facts are serious enough for ‘them’ to want to hide them from us.

Description : Did doctors really not know or even suspect that CT scans would cause cancer until now?

Last Answer : That would be totally embarrasing. How can someone not know that multiple xrays and radiation exposure can lead to some cancers? Isn't it obvious? I saw in the full abstract about the study that prompted the ... as I get older, and I wil not be getting mammography every year from the age of 40 on.

Description : Can you visit the Magnetic North?

Last Answer : answer:magnetic field != electromagnetic radiation however, high energy particles from the sun/solar wind are redirected by the earth's magnetic field toward the poles (this is what causes aurora ... which could be somewhat unsafe, im pretty sure that would not dissuade anyone from visiting it.

Description : State applications of conduction and radiation.

Last Answer : Applications of conduction:- 1) Bad conductor of heat is used as insulators. E.g. glass , thermo Cole , sawdust etc. 2) The calorimeters are kept in wooden box. 3) The coils of heavy duty ... . 7. Inactivation of HIV by application of heat radiations. 8. Teapots has bright shining surface.

Description : Sketch of Yagi-Uda antenna with its radiation pattern. Explain each element of YagiUda antenna

Last Answer : Radiation Pattern:- Explanation- A Yagi-Uda antenna, commonly known as a Yagi antenna, is a directional antenna consisting of multiple parallel elements in a line, usually halfwave dipoles ... one or two directors and reflectors give high gain and beam width per unit area of array.

Description : Define : i) Diffuse radiation ii) Beam radiation ii) Insolation iv) Solar constant

Last Answer : i) Diffuse radiation: It is the solar radiation which is scattered by the particles in earth's atmosphere and this radiation does not have any unique direction.  ii) Beam radiation: Solar radiation ... from the sun.  OR  It is the average radiation received outside the earth's atmosphere