10 Things You Didn't Know About the Impending Apocalypse

• 1. The hipsters may just make it.

  

  If a 21kt nuclear device was set off in downtown New York City, the overpressure from the blast would only be strong enough to kill instantly within about a 1/3 mile radius. This means that the denizens of Brooklyn would survive the initial explosion, but would have to take shelter from the inevitable nuclear fallout. (via)

• 2. If the blast doesn't kill you, the heat will.

  The heat generated by a nuclear explosion can reach about 9,000 degrees, which is hotter than the surface of the Sun. The thermal component accounts for about 1/3rd of a nuclear weapons power. It's hot enough to permanently burn an object's shadow onto a surface behind it. (via)