Sara Walker

Sara Walker, PhD

4 Interviews

Sara Walker's Interviews

Jim Rutt & Sara Walker + Lee Cronin 05 Jul 2023 • EN

Currents 100: Sara Walker and Lee Cronin on Time as an Object

Jim talks with Sara Walker and Lee Cronin about the ideas in their Aeon essay "Time Is an Object." They discuss the history of the idea of time, Newton's clockwork universe, the capacity for things to happen, the impossibility of time travel, Einstein's block universe theory, making time testable, conceptions of the ar

83 min
00:00
01:23:29
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Michael Garfield & Sara Walker 02 Jul 2022 • EN

Sara Walker on The Physics of Life and Planet-Scale Intelligence

What is life, and where does it come from? These are two of the deepest, most vexing, and persistent questions in science, and their enduring mystery and allure is complicated by the fact that scientists approach them from a myriad of different angles, hard to reconcile. Whatever else one might identify as universal fe

82 min
00:00
01:22:23
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Lex Fridman & Sara Walker 24 Apr 2022 • EN

#279 – Alien Debate: Sara Walker and Lee Cronin

Sara Walker is an astrobiologist and theoretical physicist. Lee Cronin is a chemist. This is a conversation and debate about alien life and alien civilizations. Please support this podcast by checking out our sponsors: - Uncruise: https://uncruise.com/pages/lex - Linode: https://linode.com/lex to get $100 free credit -

251 min
00:00
04:11:09
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Lex Fridman & Sara Walker 09 Jul 2021 • EN

#198 – Sara Walker: The Origin of Life on Earth and Alien Worlds

Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life. Please support this podcast by checking out our sponsors: - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - NetSuite: http://netsuite.com/lex to get free product tour - Blinkist: ht

125 min
00:00
02:05:18
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Podcasts with Sara Walker

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