How To Measure The Tiniest Forces In The Universe

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This lab measures the tiniest forces in the universe. This video is sponsored by Brilliant. You can get started for free, or the first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription. ▀▀▀ Thanks to Rich Press and NIST for the great visit. Thanks to Dr. Gordon Shaw for showing us around his lab and teaching us about measuring tiny forces. You can check out all the cool work going on at NIST here: https://www.nist.gov/ ▀▀▀ References: Lee, J. (2016). Measuring Tiny Forces With Light. NIST. – https://ve42.co/Lee2016 Melcher, J., Stirling, J., Guzman, F., Pratt, J. & Shaw, G. (2014). A self-calibrating optomechanical force sensor with femtonewton resolution. Applied Physics Letters. – https://ve42.co/Melcher2014 ▀▀▀ Special thanks to our Patreon supporters: Bernard McGee, James Sanger, Elliot Miller, Brian Busbee, Jerome Barakos M.D., Amadeo Bee, TTST, Balkrishna Heroor, Chris LaClair, John H. Austin Jr., OnlineBookClub.org, Eric Sexton, John Kiehl, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Mac Malkawi, Mike Schneider, John Bauer, Jim Buckmaster, Juan Benet, Sunil Nagaraj, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi ▀▀▀ Written by Derek Muller Edited by Trenton Oliver Animation by Ivy Tello Filmed by Derek Muller, Trenton Oliver, and Emily Zhang Additional video/photos supplied by Pond5 & Getty Images Music from Epidemic Sound Produced by Derek Muller, Petr Lebedev, and Emily Zhang