Micro Foosball Game 12/18/2012 Want to make an even more compact, pocket-size foosball game? Here’s how.
Batteries from Everyday Things 12/18/2012 No one can dispute the usefulness of electricity. But what do you do if you’re in a remote area without...
Mechanical Image Duplicator 12/18/2012 Before Chester Carlson invented photocopying, inventors engineered various mechanical devices to replicate images. With a few everyday items found in...
Cup Positioning System 12/18/2012 Not everyone has a GPS (Global Positioning System), but you can easily make a CPS (Cup Positioning System) from any...
Origami Flying Disk 12/18/2012 Make a paper flyer to understand Bernoulli’s principle of flowing fluids and gases.
1+2+3 Sneaky Milk Plastic 10/26/2010 Don’t have a 3D printer to make plastic parts? Use moo juice instead.
1+2+3: Hypsometer 07/27/2010 Using simple trigonometric principles, you can closely estimate the height of objects with an easy-to-make-hypsometer (hyps means height in Greek).
