The interesting Arduino project is equipped with four electret microphones that sense the sound of the bouncing ball using the time difference between the sounds to calculate the position of the ...

This cheap plastic toy was recreated in CNC plywood by Evil Mad Scientists a few years ago, and System Source had it out on display. 11mm pachinko balls flow gracefully through flip-flop registers ...

Why this hasn't been done before is a mystery to me. This little hack project by Kellbot of NYCResistor takes a rolling ball, an optical mouse, a gutted PS2 controller, and some Arduino hacking ...

Francesco Tacchini, a Royal College of Art grad student, and Julinka Ebhardt and Will Yates-Johnson of Design Products have created a very creepy and cool black floating ball project that is ...