enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Radiation protection - Wikipedia

    en.wikipedia.org/wiki/Radiation_protection

    A quantity known as the halving-thicknesses is used to calculate this. For example, a practical shield in a fallout shelter with ten halving-thicknesses of packed dirt, which is roughly 115 cm (3 ft 9 in), reduces gamma rays to 1/1024 of their original intensity (i.e. 2 −10).

  3. Standard error - Wikipedia

    en.wikipedia.org/wiki/Standard_error

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  4. Fallout Shelter - Wikipedia

    en.wikipedia.org/wiki/Fallout_Shelter

    Fallout Shelter is a free-to-play construction and management simulation video game developed by Bethesda Game Studios, with assistance by Behaviour Interactive, ...

  5. Nuclear fallout - Wikipedia

    en.wikipedia.org/wiki/Nuclear_fallout

    A practical fallout shield is ten halving-thicknesses of a given material, such as 90 cm (36 inches) of packed earth, which reduces gamma ray exposure by approximately 1024 times (2 10). [44] [45] A shelter built with these materials for the purposes of fallout protection is known as a fallout shelter.

  6. Blast shelter - Wikipedia

    en.wikipedia.org/wiki/Blast_shelter

    It differs from a fallout shelter, in that its main purpose is to protect from shock waves and overpressure instead of from radioactive precipitation, as a fallout shelter does. It is also possible for a shelter to protect from both blasts and fallout. Blast shelters are a vital form of protection from nuclear attacks and are employed in civil ...

  7. Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

  8. Bomb shelter - Wikipedia

    en.wikipedia.org/wiki/Bomb_shelter

    A fallout shelter is a shelter designed specifically for a nuclear war, with thick walls made from materials intended to block the radiation from fallout resulting from a nuclear explosion. Many such shelters [ 1 ] were constructed as civil defense measures during the Cold War .

  9. Propagation of uncertainty - Wikipedia

    en.wikipedia.org/wiki/Propagation_of_uncertainty

    Any non-linear differentiable function, (,), of two variables, and , can be expanded as + +. If we take the variance on both sides and use the formula [11] for the variance of a linear combination of variables ⁡ (+) = ⁡ + ⁡ + ⁡ (,), then we obtain | | + | | +, where is the standard deviation of the function , is the standard deviation of , is the standard deviation of and = is the ...