Suncatcher | The Optimist Daily: Making Solutions the News
Today’s Solutions: June 24, 2024

Flower power (no, not that kin

Flower power (no, not that kind...)

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 meters) tall, the Read More...

How the Stirling engine works

How the Stirling engine works

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 the chamber. Read More...