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We've heard of electromagnetic pulses cutting steel in milliseconds, but apparently they can also be used to stop moving cars just as fast. The cannon demonstrated in the video here is still a prototype, but it definitely seems to work.
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If John Hunter—a former physicist at Lawrence Livermore National Laboratory—is successful, the International Space Station may start receiving their supplies from a cannon. No, it's no joke.
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Ping pong balls are relatively harmless, most of the time. Even if someone slams one at you with a paddle, it never hurts all that much. This pneumatic cannon changes that. [TinyEnormous via Make]
This DIY Christmas Cannon provides a solution to a problem I didn't know existed: how to combine explosive firearms with the warmth, generosity, and joy of Christmas. Video after the jump.
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#emp
#christmas
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