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What Makes Atomic Clocks Tick? [Maker Faire 2006]
I gave a short presentation at the 2006 Makerfaire entitled What Makes Atomic Clocks Tick?, giving some details about how atomic clocks work and how they are used.
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The mercury ion optical clock
From 2002-2005 I worked in the NIST Time and Frequency division on a next-generation atomic clock. The clock is based on a single trapped mercury atom. The most significant result of my work on the...
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A Bulbdial Clock
Last year David Friedman published on his blog Ironic Sans an interesting design concept for something that he called The Bulbdial Clock. That’s like a sundial, but with better resolution– not just an...
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The Bulbdial Clock Kit
Back in April, we posted a little project in which we demonstrated a simple Bulbdial clock, based on the original concept from IronicSans.com. We had a lot of feedback on the original project. We...
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Open Make at the Exploratorium: Time
This Saturday, we’ll be at the Exploratorium participating in the Open Make event focused on the theme “Time.” We had a great time when we participated in the very first Open Make event, and are...
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Peggy 2 Station Clock
Simon Jelley, the winner of our Peggy 2 Clock Concept Contest back in 2010, posted about how he took his prize and built his proposed clock: a video display of an analog clock face based on the clock...
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Papercraft Seven Segment Clock
Instructables user alstroemeria has lovingly documented a clock build inspired by the D/A Clock by Alvin Aronson. Each of the paper segments is moved in or out by a servo motor to make the mechanical...
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A WaterColorBot Water Clock
We built a evaporating-hand water clock using a WaterColorBot fitted with a Buddha Board. The Buddha Board is a black board with a gray ceramic coating that becomes transparent when wet, so you can...
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