Category: Radiation

Yes, the decay half-life of a radioactive material can be changed. Radioactive decay happens when an unstable atomic nucleus spontaneously changes to a lower-energy state and spits out a bit…

Reflection occurs when incoming solar radiation bounces back from an object or surface that it strikes in the atmosphere, on land, or water, and is not transformed into heat. The…

Chernobyl's reactor design isn't used in the US US nuclear power plants use pressurized water reactors (PWR) and boiling water reactors (BWR), neither of which use graphite — instead, water…

Altitude and latitude can also influence the level of background radiation at any one site. All rocks and soils contain some trace amount of natural radioactivity and can sometimes be…

Polyethylene is widely used for radiation shielding in space and therefore it is an excellent benchmark material to be used in comparative investigations.May 10, 2017 What materials can block solar…

Transuranic wastes, sometimes called TRU, account for most of the radioactive hazard remaining in high-level waste after 1,000 years. Radioactive isotopes eventually decay, or disintegrate, to harmless materials. Some isotopes…

Peanut butter generally has a long shelf life. In the pantry, commercial peanut butters may last 6–24 months unopened, or 2–3 months once opened. Natural peanut butters lack preservatives and…

Adult: 5,000 Millirems The current federal occupational limit of exposure per year for an adult (the limit for a worker using radiation) is "as low as reasonably achievable; however, not…

It's even possible to survive a nuclear blast near ground zero if you happen to be inside a robust building, such as a fortified structure or an underground facility, says…

One atom of sulfur with an isotopic mass number of 34 has 18 neutrons. 34 (total) - 16 (protons) = 18 (neutrons).One atom of sulfur with an isotopic mass number…