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HowStuffWorks explains the secrets of static electricity.
HowStuffWorks: How Porta Potties Work
MythBusters: C4 No Boom
You can find porta-potties at festivals, construction sites and concerts across the planet – but how do they work? Get a closer (non-messy) look here.
Will a bullet fired directly at flaming C-4 cause an explosion? What about an incendiary bullet?
Why does a balloon stick to hair?