THIS DAY IN SCIENCE: The German zeppelin Hindenburg in 1937

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Self-Siphoning Bead Demo

Self-Siphoning Bead Demo

[youtube] The beads are the type you get on office blinds. A larger version of the beads you get on dog tags. Slow mo video and explanation here: Search for metal 4.5mm bead chain on ebay to get the same as these. You can...
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