How does a safe, a tennis ball launcher, and a music box really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings. |
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Title: | Safes, Tennis Ball Launchers, and Music Boxes | |
Air Date: | February 11, 2016 | |
Runtime: | 30 min | |
Hans Zarkov : I've been reading Tarot cards - the deck created by Alastair Crowley, as it happens - for ...