This is a bottle bomb I devised that uses only water to produce an explosion. A 850W heating element was fed into a bottle containing 375ml water, and the top epoxied shut.
I set up a mock computer desk around it using old computer junk, and turned on the heater, no one in the room of course. After 5min 40sec, the epoxy cap softened and sprung a leak, spinning the bottle around and causing it to crack. The superheated water, at around 190 degrees C (350F), flash boiled into steam, blowing away most of th
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