Rod

Double Pendulum

Double Pendulum

Devices that demonstrate true chaotic behavior (in a strict mathematical sense) are rare. Even rarer are chaotic devices that are easy enough for the typical maker to build at home and are interesting and beautiful. But one device nicely fits the bill: the double pendulum. A double pendulum consists of a bar swinging from a […]

5-Minute Foam Factory

Make this easy hot-wire foam cutter and reuse leftover EPS foam to create treasures from trash.

Gyrocar

Gyrocar

Add a motor and a track wheel to a toy gyroscope to make it run nonstop and perform tricks.