Explosives Expert Rates Movie Explosions

You know all those movie scenes where the main characters walk away from a huge explosion? How accurate could that possibly be? And how about that time Indiana Jones hid in a refrigerator to survive a nuclear blast? Columbia University explosives engineer Rodger Cornell goes through quite a few of these famous film scenes to rate their accuracy and explain how real explosions work and the damage they can doing in real life. (via Geeks Are Sexy)