KABLAM!!! Woohoo!!

Not all rockets travel up. Some go sideways. On Mythbusters, Jamie Hyneman and My Close Personal Friend Adam Savage&#153 were testing whether a head-on collision of two semis could fuse the metal together. That didn't work, so they took the next logical step: using a rocket sled to slam into a car, ramming into a one-inch thick piece of plate metal behind it. What followed may be the single greatest thing ever aired on television ever. Holy crap! The sled had two stages; the first burned for only a second or two, then the second stage ignited. This gives the sled a lot more speed; the first stage has to push on the whole sled, accelerating it, but the second stage only has to push on about half the mass, and the acceleration is much higher. The impact was at well over 600 miles per hour! You can see the ...