Grant Thompson boils water, torches wood, and melts pennies, nickles, and even concrete at about 2000 degrees Fahrenheit using his “Solar Scorcher,” a Fresnel lens taken from an old television. I’m curious to see what I can do with all this heat so I’ve filled a glass bottle with water and I’ll punch a hole in the […]
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The Window Socket is a portable solar-powered electrical socket that affixes to a window and harnesses solar energy through a built-in solar panel. The socket stores excess energy in an internal battery. The Window Socket is a design concept by Kyuho Song and Boa Oh. via Yanko Design
Mobile phones are becoming an increasingly important and prevalent tool in the developing world, but phone users are often unable to keep their devices charged due to unreliable power grids. To help solve the power problem, UK-based Buffalo Grid is developing a portable solar generator that can be carried on a bicycle and can charge […]
2 Square Meters of Sunlight is All it Takes Last post, I wrote about a cool video that showed how a solar oven could be used to melt steel. It’s a good demonstration of just how much solar energy is hitting the Earth (it’s one thing to know abstractly, but it’s much more memorable to […]
Steel’s Melting Point is Approx. 1,370 °C (2,500 °F) Melting steel in a solar oven (aka solar concentrator) isn’t new or unique, but it’s always cool to see and a good reminder of just how much energy is hitting the sunny side of the planet at any moment. The video below shows a short exerpt […]