Clock that knocks the time out on a water-filled vase

From Make:

The Sèvres Vase Clock, a design by Georgios Maridakis at the Royal College of Art, taps a vase you already have, every hour, and its tone can be adjusted by varying the amount of water inside.

Knocking clock

I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.

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Alexsander

@WA, it definitely looks a proof of concept of something already developed here
http://www.5volt.eu/archives/16
and here
http://www.instructables.com/id/Build-a-bell-striking-clock-for-your-PC-and-a-fire/

5Volt
dculberson

Anonyman, Leaks lake a chap pace of shot?
WA

@3: I expect it’s a proof of concept? The idea itself seems sound, and it could be made into something that looked quite nice.
ivan256

Finally a clock on BoingBoing that is pure unadulterated awesome.

Only one flaw: You can’t buy one. :(
nosehat

Use with a very thin-walled vase for added hourly suspense.
Anonymous

For added fun, drip water into the vase to adjust the pitch each hour.
Cicada

“I thought it just rang four?”
“No, it’s eleven, and we need a new vase and a mop”