Uploaded June 2013 | Updated September 2026, 6 hours ago

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Physicists Amir Safavi-Naeini and Oskar Painter describe how they were able to measure quantum motions of 1 femtometer (0.000000000000001 meters) in a micro-scale object.

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Animated by Jorge Cham: jorgecham.com
Featuring: Amir Safavi-Naeini and Oskar Painter http://copilot.caltech.edu/

Produced in Partnership with the Institute for Quantum Information and Matter (http://iqim.caltech.edu) at Caltech with funding provided by the National Science Foundation.

Transcription: Noel Dilworth
Thanks to: Spiros Michalakis, John Preskill and Bert Painter
#FQXiVideoContest2014