A YouTuber who goes my the moniker De Facto has instructions for building a gyroscopic wheel using a little DC motor, a 9V battery, a CD, a hard disk platter, some cork, and a dab of hot glue. Nifty!
A YouTuber who goes my the moniker De Facto has instructions for building a gyroscopic wheel using a little DC motor, a 9V battery, a CD, a hard disk platter, some cork, and a dab of hot glue. Nifty!