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Niayesh Afshordi
3,776 posts
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Niayesh Afshordi
@nafshordi
Cosmologist, Astrophysicist, He/him, Brother of the Night's Watch 🏰🐉, Professor @uwaterloo and @Perimeter, Views don’t reflect those of employers
Waterloo, Ontario
nafshordi.com
Joined June 2009
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  • Pinned
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    Niayesh Afshordi
    @nafshordi
    May 2, 2025
    #BattleoftheBigBang is finally here! Take advantage of a 30% discount by using this discount code (UCPNEW) when ordering from @UChicagoPress press.uchicago.edu/ucp/books/book…
    A picture of a hard copy of our book, “Battle of the Big Bang” on a coffee table
    user avatar
    Niayesh Afshordi
    @nafshordi
    Oct 19, 2024
    I am thrilled to announce that, after many years of writing and rewriting alongside my dear friend and science communicator par excellence, @skydivephil, our popular science book: “Battle of the Big Bang: New Tales of Our Cosmic Origins” is now available for pre-order ... (1/3)
    9.9K
  • user avatar
    Niayesh Afshordi
    @nafshordi
    17h
    Do physicists have faith? @briankeating saw "intellectual denominations" in our survey; @skydivephil challenged that reading; @AdamFrank4 defended empirical physics. My new essay returns to Chapter 11: nafshordi.com/2026/08/01/do-…
    Made with AI
    269
  • user avatar
    Niayesh Afshordi
    @nafshordi
    Jul 21
    Can black-hole entropy predict testable departures from Kerr? New work with Shokoufe Faraji sets a theoretical target, not a detection. Paper: arxiv.org/abs/2508.20421 Article: nafshordi.com/2026/07/21/do-…
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    arxiv.org
    Self-regularized entropy: What does black hole entropy predict for...
    We compute the canonical, or brick-wall, entropy of a massless scalar field in a quantum black hole model whose strong field exterior is described phenomenologically by the static $q$-metric, also...
    1.5K
  • user avatar
    Niayesh Afshordi
    @nafshordi
    Jul 15
    New writing: Cleaning the CMB Backlight. A new paper led by Guandi Zhao and Alex Krolewski shows how radio foregrounds change the inferred tSZ signal around low-mass galaxies. The puzzle began in earlier work with Natacha Altamirano and Chiamaka Okoli. nafshordi.com/2026/07/14/cle…
    317
  • user avatar
    Niayesh Afshordi
    @nafshordi
    Jul 10
    I find this question genuinely fascinating: can #AI move beyond augmenting individual intelligence to help build collective intelligence—connecting ideas and people that might otherwise never find each other? My friend @lvrzhn and his team are taking an ambitious shot at it. 🚀
    user avatar
    Oliver Zahn
    @lvrzhn
    Jul 10
    1/ Every day you make some AI smarter, and you own none of it. It forgets you between sessions, locks you to one vendor, and trains on your work for everyone but you. Today we're launching Sapience Labs, a different kind of architecture.
    272