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Today's Solutions: January 21, 2021

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Suncatcher

Flower power (no, not that kind…)

January 21, 2007 by Jurriaan Kamp

Why a 19th-century invention is only now finding its place in the sun as a 21st-century energy source. Greg T. Spielberg | October 2010 issue The SunCatcher is an enormous solar dish made of mirrors and metal, but it’s best thought of as a giant silver flower. At thirty feet (11 … [Read more...] about Flower power (no, not that kind…)

How the Stirling engine works

January 21, 2007 by Jurriaan Kamp

Greg T. Spielberg | October 2010 issue A Stirling engine uses internal gas that’s alternately heated and cooled to produce energy. Hydrogen, for instance, is sealed in a chamber connected to a series of pistons. When the hydrogen is heated, it expands, driving the pistons through … [Read more...] about How the Stirling engine works

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