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Why the Human Body Can't Handle Heavy Acceleration

Our bodies are surprisingly resilient in many situations, but rapid acceleration is not one of them. While the human body can withstand any constant speed—be it 20 miles per hour or 20 billion miles per hour—we can only change that rate of travel relatively slowly. Speed up or slow down too quickly and it's lights… » 10/01/14 2:20pm 10/01/14 2:20pm

Murphy's Law and the Rocket Sleds That Love It

Exactly what part of "rocket sled" sounds like a good idea to you? I'll give you a hint: none of it. Separately sure, rockets and sleds can be slightly hazardous. But slap them together and you've got yourself a fuel-injected suicide machine. Just look at the carnage wrought this collection assembled by our friends at… » 9/14/12 4:40pm 9/14/12 4:40pm