Lawrence M. Krauss

Things Lawrence Says on Podcasts

Theoretical physicist and author whose research spans elementary particle physics and cosmology, with a public focus on science, reason and free speech. President of The Origins Project Foundation and a former Foundation Professor at Arizona State University (2008-2018). Hosts The Origins Podcast with Lawrence Krauss and writes the Critical Mass newsletter at lawrencekrauss.substack.com. Author of 11 popular books, and recipient of the National Science Board's 2012 Public Service Award. Appears as a guest on Into the Impossible With Brian Keating and StarTalk Radio.

Where to Find Them

Lawrence M. Krauss hosts and writes Critical Mass , hosts and writes The Origins Podcast with Lawrence Krauss , writes The Cosmic Companion - Astronomy, Space, Technology Advancing Humanity and writes AI Creator House .

Recently: “Nothing and Everything: From Antiquity to today: 5000 years of human inquiry into the Universe.” on Critical Mass (November 2026); “Nothing and Everything: From Antiquity to today: 5000 years of human inquiry into the Universe.” on The Origins Podcast with Lawrence Krauss (November 2026); “Revenge of the Nerds” on The Origins Podcast with Lawrence Krauss (October 2026); “Revenge of the Nerds” on Critical Mass (October 2026); “(Ad-free Video) Physics for Everyone, Lecture 6: The Unification of Space and Time” on The Origins Podcast with Lawrence Krauss (October 2026); “(Ad-free Video) Physics for Everyone, Lecture 6: The Unification of Space and Time” on Critical Mass (October 2026).

What They Said

In a live lecture tracing ideas about empty space, Krauss had just read aloud a line from Aristotle complaining that philosophy had turned into mathematics. He draws a parallel to modern complaints about string theory, where elegant math runs ahead of observation.

The Origins Podcast with Lawrence Krauss · 2026-11-02 Permalink → Listen →
The Origins Podcast with Lawrence Krauss Around 00:00 into the episode
Lawrence M. Krauss

…Kepler, the music of the spheres, the fact that the planets might be, their relationship might be related to the musical instruments, musical notes, in exact harmony. And consider the modern statement, which one could say is a modern statement. Philosophy has turned into mathematics for present-day thinkers, despite their claim that mathematics is to be treated as a means to some other end. This sounds like people complaining about string theory today. It could have easily been written by many physicists, but of course, it actually was written by Aristotle. He was so upset that the idea that mathematics, which is just a tool, should become a real descriptor of the universe. And in this case, a descriptor of the universe that goes against empirical observation. Oh, well, the debate continued. Okay, so we've got water, we've got nothingness, but the debate didn't end there. And the big question was: is it present when normal matter isn't? Is there a void? Most of the universe seems to be dark and empty. And so the question is: is it full of stuff and is that stuff…

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Lawrence M. Krauss

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Speaker names come from our own diarization. The position is estimated from where the line sits in the episode.

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