What is “Energy,” Actually? [Graduate Level]

Curt Jaimungal June 5, 2025
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Curt Jaimungal

@theoriesofeverything

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Exploring theoretical physics, consciousness, Ai, and philosophy in a technical manner. Visit https://curtjaimungal.substack.com for early access videos and extra writings. My name's Curt Jaimungal, a Torontonian with a degree in mathematical physics from the University of Toronto and I analyze various Theories of Everything from this analytic perspective. The separating factor of TOE from other podcasts is its focus on depth even at the risk of limiting the audience due to how much detail we delve into subjects, paralleling the intensity found in academic discourse. Theories of Everything is known for being the most technical podcast in the physics, math, and philosophy space, as its audience is geared toward academics / researchers / faculty. Contact toe [at] indiefilmTO [dot] com for business inquiries / sponsorship. Guests do not pay to appear.

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Veritasium pointed out that energy isn't conserved, but here I argue something further: energy is not even well-defined! Get a special 20% off discount to The Economist and all it has to offer! Visit https://www.economist.com/toe Join My New Substack (Personal Writings): https://curtjaimungal.substack.com Here are some other of my videos you may enjoy: - Why the so-called proofs that light "takes all possible paths" is faulty: https://youtu.be/XcY3ZtgYis0 - Gödel's incompleteness theorem explained / pop sci accounts debunked: https://youtu.be/OH-ybecvuEo - Why you shouldn't always demand ELI5 explanations (or assume someone who can't deliver simplified explanations lacks an understanding): https://youtu.be/eASBzSNB8ts Listen on Spotify: https://open.spotify.com/show/4gL14b92xAErofYQA7bU4e Links Mentioned: •⁠ ⁠Neil deGrasse Tyson on TOE: https://youtu.be/HhWWlJFwTqs •⁠ ⁠Killing Field: https://en.wikipedia.org/wiki/Killing_vector_field •⁠ ⁠Götterdämmerung Events and a Rant Against Us Being in a “Typical Universe”: https://curtjaimungal.substack.com/p/gotterdammerung-events-and-a-rant •⁠ ⁠What is energy, actually? (article version): https://curtjaimungal.substack.com/p/what-is-energy-actually •⁠ ⁠Schwarzschild metric: https://en.wikipedia.org/wiki/Schwarzschild_metric •⁠ ⁠Claudia de Rham on TOE: https://youtu.be/hNPMKy6RxCE •⁠ ⁠Ted Jacobson on TOE: https://youtu.be/3mhctWlXyV8 •⁠ ⁠Sonya Aoki’s paper: https://arxiv.org/pdf/2208.13558 •⁠ ⁠Isaacson stress-energy tensor: https://web.physics.ucsb.edu/~gravitybook/websups/Ch22.pdf •⁠ ⁠Bel-Robinson tensor: https://en.wikipedia.org/wiki/Bel%E2%80%93Robinson_tensor •⁠ ⁠Differential geometry: https://en.wikipedia.org/wiki/Differential_geometry •⁠ ⁠What is light?: https://curtjaimungal.substack.com/p/well-technically • Veritasium video on non-conservation of energy: https://youtu.be/lcjdwSY2AzM SUPPORT: - Become a YouTube Member (Early Access Videos): https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/join - Support me on Patreon: https://patreon.com/curtjaimungal - Support me on Crypto: https://commerce.coinbase.com/checkout/de803625-87d3-4300-ab6d-85d4258834a9 - Support me on PayPal: https://www.paypal.com/donate?hosted_button_id=XUBHNMFXUX5S4 SOCIALS: - Twitter: https://twitter.com/TOEwithCurt - Discord Invite: https://discord.com/invite/kBcnfNVwqs #science