# On the Nature of Time According to Modern Physics - Jim Al-Khalili Page: https://stenobird.com/podcast/gresham-college-lectures-4610199/on-the-nature-of-time-according-to-modern-physics-jim-al-khalili Text version: https://stenobird.com/podcast/gresham-college-lectures-4610199/on-the-nature-of-time-according-to-modern-physics-jim-al-khalili.md Podcast: [Gresham College Lectures](https://stenobird.com/podcast/gresham-college-lectures-4610199) Published: 2026-09-04T15:00:00+00:00 Episode link: https://www.buzzsprout.com/1904814/episodes/19556810-on-the-nature-of-time-according-to-modern-physics-jim-al-khalili.mp3 Audio file: https://www.buzzsprout.com/1904814/episodes/19556810-on-the-nature-of-time-according-to-modern-physics-jim-al-khalili.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/gresham-college-lectures-4610199/episodes/on-the-nature-of-time-according-to-modern-physics-jim-al-khalili Duration seconds: 2761 ## Resource This is the Annual Sir Thomas Gresham Lecture. What does modern physics have to say about the meaning of time? Is it a fundamental feature of reality or merely an emergent property from something deeper? Does time flow, and is the present moment special when Einstein tells us that all times coexist. Where does the arrow of time come from if all the fundamental laws of physics are symmetric in time? This lecture will examine many of these issues and give our best guess answers as we understand... ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/gresham-college-lectures-4610199/episodes/on-the-nature-of-time-according-to-modern-physics-jim-al-khalili/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/gresham-college-lectures-4610199/on-the-nature-of-time-according-to-modern-physics-jim-al-khalili.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.