Hand-Cranked Machine Plays Catch with Itself

There's something that's oddly hypnotic about watching this hand-cranked machine slice, drop and catch these small spherical rare earth magnets one at a time. The little 5mm ball magnets start out as a connected string, and are continuously fed through the contraption in a loop. As the video goes on, you get to see views from different angles as the balls are tossed around and the machine hands off each tiny silver globule like it's playing catch with itself.

The apparatus is entirely hand-built, created by inventor Dave Johnson for his father-in-law's 75th birthday. Pretty neat stuff. I don't know how this thing wouldn't score any points in ol' daddy-in-law's eyes. [Laughing Squid]

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DISCUSSION

Smarter than the Average Bear

So, my daughter turns 6 months soon and the thought of her dating, much less marrying some guy terrifies me. However, if her husband made something like this for me I'm pretty sure I would be a lot more OK with it!