Are the Fundamental Constants Changing?

Recent findings suggest that the fundamental constants might not be as stable as we assumed. And be sure to signup for your free trial of The Great Courses Plus at Get your own Space Time t­shirt at Tweet at us! @pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: Help translate our videos! Previous Episode: The Future of Space Telescopes Webb et al. 1998, A Search for Time Variation of the Fine Structure Constant Webb et al. 2011, A Search for Time Variation of the Fine Structure Constant Martins & Pinho 2016, Stability of Fundamental Couplings: a Global Analysis The laws of physics are the same everywhere in the universe. At least we astrophysicists hope so. After all, it’s hard to unravel the complexities of distant parts of the universe if we don’t know the basic rules. But what if this is wrong? There is a hint of evidence that the fundamental constants that govern our universe may evolve over time, and even from one location to another. Written by Graeme Gossel and Matt O’Dowd Hosted by Matt O'Dowd Produced by Rusty Ward Graphics by Kurt Ross Assistant Editing and Sound Design by Mike Petrow Made by Kornhaber Brown (www.kornhaberbrown.com) Big Bang BITISM CoolAsCats David Nicklas Richard Senegor Quasar Tambe Barsbay Meo Meow Oink Oink Mayank M. Mehrota Mars Yentur Mark Rosenthal Dean Fuqua Hypernova Max Levine Edmund Fokschaner Eugene Lawson Chuck Zegar Jordan Young Ratfeast John Hofmann Joseph Salomone Martha Hunt Craig Peterson Barry Hatfield Matthew O’Connor Scott Gossett Mark Dykstra Peter Durocher Michael Kers Chris Hicks Mark Vasile Patrick Murray Sultan Alkhulaifi Alex Seto Michal-Peanut Karmi Bernardo Higuera Erik Stein Daniel Lyons Kevin Warne JJ Bagnell J Rejc Amy Jie Avi Goldfinger John Pettit Shannan Catalano Florian Stinglmayr Yubo Du Benoit Pagé-Guitard Nathan Leniz Jessica Fraley Loro Lukic Brandon Labonte David Crane Greg Weiss The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally.