Latest from Cy Tymony

Micro Foosball Game


Want to make an even more compact, pocket-size foosball game? Here’s how.

Mechanical Image Duplicator


Before Chester Carlson invented photocopying, inventors engineered various mechanical devices to replicate images. With a few everyday items found in...

Cup Positioning System


Not everyone has a GPS (Global Positioning System), but you can easily make a CPS (Cup Positioning System) from any...

Origami Flying Disk


Make a paper flyer to understand Bernoulli’s principle of flowing fluids and gases.

1+2+3: Hypsometer


Using simple trigonometric principles, you can closely estimate the height of objects with an easy-to-make-hypsometer (hyps means height in Greek).

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