If you& keen to do some basic blacksmithing, here are the basic techniques for you to try in your own backyard. There are tips for working the steel, types of tools and some clear warnings on working with steel. Build a small forge.
Another Peltier woodstove fan. So I bought an EcoFan for a friend and decided that it was a cool concept and built one from scratch. The fan gets its power from a peltier element that is used in reverse, i. it is generating electr
estir Co., an in-company venture of Panasonic led by Teruyuki Akazawa, thought that it would make a good business reusing the otherwise wasted heat from Panasonic's plants, and reimplemented Stirling engines, seeking to make them more efficient than ever.