Experiment with conductivity in metals, plastics and photoconductors. See why metals conduct and plastics don't, and why some materials conduct only when you shine a flashlight on them. This simulation of a Conductivity...
This video, presented by Make Magazine, shows a cheap and easy way to make 3D plastic forms like Storm trooper costumes and tons of other things. With a fairly inexpensive startup cost, around twenty dollars, the...
This weekend, get some PVC and build a human powered catapult. Bre Pettis joins forces with Bill Gurstelle, seige weapon builder extraordinaire! This is a great student project for those who are interested in...
During World War II, GIs in the field built really amazing simple radios to listen to. These were made with materials that they could get their hands on and were small enough to carry around in a big pocket. You can...
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