Aephraim Steinberg: The Physicist Who Measured Negative Time

SPONSORS: - Go to https://expressvpn.com/theoriesofeverythingyt to find out how you can get up to 4 extra months thanks to our sponsor, ExpressVPN - Accelerate your efficiency. Sign up for your one-dollar-per-month trial today at http://shopify.com/theories - I personally subscribe to The Economist. SUMMER SALE to Aug 17, 2026: 50% off the annual subscription! No other podcast has this! https://economist.com/TOE Professor Aephraim Steinberg, winner of Physics World's Breakthrough of the Year in 2011, is an experimentalist who thinks deeply about foundations. For 30 years he's measured aspects of physics others wouldn't touch: Bohmian trajectories, Heisenberg's disturbance bound (he showed it was wrong), even where the photon is inside the double slit. His lab measured negative time, and it keeps reappearing across different experiments. FOLLOW: - Spotify: https://open.spotify.com/show/4gL14b92xAErofYQA7bU4e - Substack: https://curtjaimungal.substack.com/subscribe - Twitter: https://twitter.com/TOEwithCurt - Discord Invite: https://discord.com/invite/kBcnfNVwqs - Crypto: https://nowpayments.io/donation/TOE - PayPal: https://tinyurl.com/paypalTOE TIMESTAMPS: - 00:00:00 - Defining Negative Time - 00:06:50 - Quantum Trajectory Theory - 00:12:44 - The Holland Tunnel Analogy - 00:18:40 - Resonant Atomic Interactions - 00:26:05 - Superluminal Energy Propagation - 00:32:00 - Eight Velocities of Light - 00:38:00 - Causality and Retrocausality - 00:44:00 - Dwell Time vs. Delay - 00:50:24 - Time: Operator or Parameter? - 00:58:21 - Bell's Theorem and Realism - 01:04:55 - Heisenberg's Measurement Disturbance - 01:11:26 - Weak Measurement Formalism - 01:17:37 - Time Symmetry and Entropy - 01:27:07 - Bohmian Trajectories Observed - 01:35:56 - Spin-Statistics and Indistinguishability - 01:42:14 - Quantum Computational Advantage - 01:48:15 - Many Worlds vs. Complexity - 01:54:51 - Psi-Ontic vs. Psi-Epistemic - 02:01:37 - Collapsing Tunneling Particles - 02:08:48 - Larmor vs. Atto Clocks - 02:15:24 - Locality and Information LINKS: - Website: https://www.physics.utoronto.ca/~aephraim/ - Papers: https://scholar.google.com/citations?user=PzUyb6IAAAAJ - Photon Negative Time: https://arxiv.org/pdf/2409.03680 - Photon Time as Excitation: https://arxiv.org/abs/2310.00432 - Atoms in Excited State: https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.3.010314 - Tunneling Atom in Barrier: https://arxiv.org/abs/1907.13523 - Single-Photon Tunneling: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.71.708 - Traversal Time: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.49.1739 - Gaussian Pulse Propagation: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.1.305 - Pulse in Absorbing Medium: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.48.738 - Eighth Velocity of Light: https://pubs.aip.org/aapt/ajp/article-abstract/45/6/538/1045817/Eighth-velocity-of-light - Attosecond Ionization: https://www.science.org/doi/10.1126/science.1163439 - Tunneling Pulses, Band Gaps: https://attoworld.de/fileadmin/user_upload/tx_attoworld/publications/paper_PhysRevLett_Y1994_M10_D24_V73_P2308.pdf - Evidence of Negative Time: https://www.scientificamerican.com/article/evidence-of-negative-time-found-in-quantum-physics-experiment/ - Light Speed Reduction: https://www.nature.com/articles/17561 - Theory of Light and Colors: https://www.jstor.org/stable/pdf/107113.pdf - Wave Propagation: https://amazon.com/dp/1483253937?tag=toe08-20 - EPR: https://journals.aps.org/pr/abstract/10.1103/PhysRev.47.777 - Uncertainty Principle: https://en.wikipedia.org/wiki/Uncertainty_principle - QBism: https://arxiv.org/abs/1003.5209 More: https://curtjaimungal.substack.com Guests do not pay to appear. #science Learn more about your ad choices. Visit megaphone.fm/adchoices