Black paint

Solar Food Dryer

Solar Food Dryer

If you’re growing your own fruit and vegetables, or just trying to eat food that’s produced locally, you come across one obvious problem: when something is in season, you have more than you can handle, and then there’s nothing for the rest of the year. The obvious solution is to preserve your food when you […]

Laser Harp

Laser Harp

I once saw someone playing music by breaking laser beams with his hands. I thought it was fake, but discovered it was real and made my own laser harp.