The BallP, short for Ball inverted Pendulum, balances on top of a ball. We’re not sure what the advantages are to this layout though. Anyone care to enlighten us? Even though we hadn’t seen ...

The ball is visible to the public on the ... it serves an important role as a "tuned mass damper," which is a pendulum that reduces "violent swinging" and "vigorous shaking" of the building ...

It’s an electromagnet pendulum analog circuit. Whether you’re building it, or just studying the schematics, this is a fun way to brush up on the non-digital side of the craft. The pendulum is ...