The combustion of a compressed propane and air mixture is used to demonstrate the power of science by propelling a hardened steel dart through... » More

The combustion of a compressed propane and air mixture is used to demonstrate the power of science by propelling a hardened steel dart through many phone-books - and nearly thorough a 1/2" thick steel plate.

Audio: Intermezzo, First Suite in Eb for Military Band by Gustav Holst

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