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This science teacher at a high school in Edinburgh wanted to show his students a chain reaction.
YouTube description:
A match pyramid made of 5000 matches. Watch the chain reaction intensify as a wave of fire spreads over the pyramid. It took over 10 hours to build and 10 seconds to destroy! The 5000 matches were cut and glued into a symmetrical pyramid then lit from one corner,
(via LiveLeak)
