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Clocked Cell Cycle Clocks

Science, 1981
The cell division cycle of both mammalian cells and microorganisms, which apparently has both deterministic and probabilistic features, is a clock of sorts in that the sequence of events that comprise it measures time under a given set of environmental conditions.
L N, Edmunds, K J, Adams
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A CLOCK-less clock

Trends in Cell Biology, 2006
Mammalian physiology is governed by a complex circadian timing system that involves interacting positive and negative transcriptional feedback loops. A key role in this feedback loop was attributed to the PAS domain helix-loop-helix protein CLOCK, on the basis of a dominant-negative mutation in this transcription factor.
Asher, Gad, Schibler, Ulrich
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Last clock

IEEE Computer Graphics and Applications, 2005
The Last clock displays a space's history and rhythm. Trails behind its hands paint the clock face with a video feed, creating a mandala of archived time. The Last clock began as an investigation into representations of time. The goal was to use the mutable properties of digital technology, hoping to create something aesthetically pleasing, interesting,
Jussi, Angeslevä, Ross, Cooper
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