Sand clock

[jf...@my-deja.com]

Not nixies, but interesting

https://www.elektor.com/sandclock-160065-71?utm_source=Elektor+United+States+%28English%29&utm_campaign=4c9b63a752-19april2016_Siglent_NL_4_15_2016&utm_medium=email&utm_term=0_8b7374950c-4c9b63a752-234906893&mc_cid=4c9b63a752&mc_eid=747f1b4e42

"This supercool gadget built around an Arduino Uno writes the time into a layer of sand. After an adjustable time the sand is flattened out by two vibration motors and everything begins all over again."

Disclaimer:  I am a subscriber to Elektor, but have no other relationship to the seller.

[Nick]

That's really cool. Like that!

Another and clock: https://youtu.be/_nfmNuyp1LA

[Instrument Resources of America]

Lends total and complete new meaning to the phrase of "The sands of time through the hour glass". So very cool. Thanks, Ira.

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