I created a rudimentary calculator using only marbles. Watch as I demonstrate its functionality and explore the concept.

"Beautified" slime, a dinosaur that hatches itself out of an egg, and wiggly fidget collectibles are among the 113 innovative ...

Explore innovative distance measurement methods for DIY projects. Learn about tools like UWB, barometers, and camera-based systems.

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Sewing Machine Patent Model. Patent No. 4,750, issued September 10, 1846. Elias Howe Jr. of Cambridge, Massachusetts.