Wintergarten Marble Machine (Programmable Instrument Using Marbles) (youtube.com) 4 points by cyphar 10y ago ↗ HN
[–] cyphar 10y ago ↗ The creator (and musician) also made two videos explaining the inner workings (which is really cool from an engineering standpoint IMO):* Part 1: https://www.youtube.com/watch?v=uog48viZUbM* Part 2: https://www.youtube.com/watch?v=p0Guq7vZb_E
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[ 2.9 ms ] story [ 10.7 ms ] thread* Part 1: https://www.youtube.com/watch?v=uog48viZUbM
* Part 2: https://www.youtube.com/watch?v=p0Guq7vZb_E