Trial and Er­ror

Popular Science - - BUILT TO OUTLAST: POPSCI 2018 -

Meet the Hedge­hog: 18 flares epox­ied up­side down to a wire rack. It’s a work in progress. Miller’s ini­tial ig­ni­tion plan was to yank a rope at­tached to the torches’ trig­gers (cov­ered here by pro­tec­tive rub­ber caps), but the cord got stuck and fiz­zled his light show. He has plans for an even big­ger ver­sion.

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