Related: Why do nuclear bombs form mushroom clouds? A bomb shelter doesn't necessarily ... stay in the bunker to avoid radioactive fallout. So your shelter would need to not only be equipped ...

To date, only the US has ever dropped nuclear bombs on a population — in Hiroshima and Nagasaki in 1945. Still, the number of ...

An curved arrow pointing right. Signs on building throughout New York City are all that's left of a widespread government effort to shelter millions of people from the fallout of a nuclear attack.

In the 1950s it seemed likely that the Cold War could at any minute take a turn for the worse, and we might all be consumed in the fiery conflagration of nuclear war. Fortunately neither the ...

The Soviet Union exploded its first atomic bomb on August ... the US fallout shelter program a year earlier. Indeed, fallout shelters would not prevent the intense heat of a nuclear blast from ...

Current U.S. Government advice is to 'shelter in place' but you're probably better off making a run for it A mathematical model of nuclear fallout suggests that sheltering in place is not always ...

As an example, suppose a 150-kiloton bomb ... In any case, nuclear safety experts say 48 hours is the minimum amount of time you should shelter in place, since radioactivity from fallout would ...

It's a doomsday scenario that some Americans have feared since the Cold War: A nuclear bomb hits the US ... what's referred to as nuclear fallout. Exposure to this fallout can result in radiation ...

Here are some of the key takeaways from the new report. Christopher Nolan History Nuclear fallout Politics by country Trinity Water Get the best tech, science, and culture news in your inbox daily.