The Amazing Seebeck Generator 05/06/2019 With no moving parts, this simple energy-recycling generator scavenges waste heat from a candle and turns it into usable electricity.
The Bobbinator 12/18/2012 Linear actuators are motors that work in a straight line. They’re very useful for controlling valves and levers, building robots,...
Turn Slides and Negatives into Digital Photos 12/18/2012 A simple cardboard adapter that can use a scanner to scan slides like ordinary documents.
Secret Chessboard Compartment 12/18/2012 This very Bondian chessboard contains a secret compartment which only opens when you move the pieces in a certain way.
