Crafting
Get flash to fully experience Pearltrees
Back in my failed former days as a window dresser, I got some good advice from Tanja, the Grand Dame of the cosmetics department.
Coffee Filter Roses
Build a real working turbine from recycled CD's! This Tesla CD Turbine is based on the Tesla turbine , which was invented by Nikola Tesla in the early 1900's. Tesla's pumps and motors were unique in that they only used discs, and took advantage of the boundary layer effect . His smallest designs were over 100 horsepower. This Instructable is an introduction to my recently developed Tesla CD Turbine, which is made from CD's, CD spindle, pipe fittings and glue.