Boing Boing Staging

Explosive pumpkin carving in science class

This science teacher illustrated gas-expansion for his students by trapping a flammable gas inside a pumpkin whose Jack O’Lantern face had been cut and not removed, then waited for the pressure to build up until the face exploded out of the pumpkin.

Exploding Pumpkin- Halloween Science Chemistry Demos!

(via Neatorama)

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