The Yo-Yo De-Spin mechanism involves deploying small masses which increase the moment of inertia, reducing angular velocity. This simple kids toy is doing an important job for rockets and ...

Your browser does not support the video element. A new Yo-Yo World Champion has been crowned in Prague, and this year’s winner was a 17-year-old from Chico, Calif ...

Does anybody remember The Yo-Yo Man? That’s what I asked several of my friends from elementary and high school — mostly retired now except for doctor appointments. I attende... Premium Content is ...

a man in a black robe appears and performs a series of yo-yo tricks. In this surreal work of celluloid animation, Yo Yo the Clone, Too shows the yo-yo coming to life and spawning a number of ...