Sunday, August 18, 2013

Friday, August 16, 2013

$3 Box Projector

$3 Box Projector - YouTube



"All you need is a box, a magnifying glass and some hot glue. Today's MAGIC ingredient is playdough, but you can improvise with any type of putty. Enjoy!" [source]

Create electronic circuits with pen and paper

Paper Circuit! - YouTube


It is also possible to build a simple speaker using copper thread, a magnet and paper [source]

Tuesday, March 12, 2013

Monday, February 11, 2013