131 | Avi Loeb on Taking Aliens Seriously

The possible existence of technologically advanced extraterrestrial civilizations — not just alien microbes, but cultures as advanced (or much more) than our own — is one of the most provocative questions in modern science. So provocative that it's difficult to talk about the idea in a rational, dispassionate way; there are those who loudly insist that the probability of advanced alien cultures existing is essentially one, even without direct evidence, and others are so exhausted by overblown claims in popular media that they want to squelch any such talk. Astronomer Avi Loeb thinks we should be taking this possibility seriously, so much so that he suggested that the recent interstellar interloper `Oumuamua might be a spaceship built by aliens. That got him in a lot of trouble. We talk about the trouble, about `Oumuamua, and the attitude scientists should take toward provocative ideas.

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Abraham (Avi) Loeb received his Ph.D. in plasma physics from the Hebrew University of Jerusalem. He is currently the Frank B. Baird Jr. professor of science at Harvard University. He served as the Chair of Harvard's Astronomy department from 2011-2020. He is Director of the Institute for Theory and Computation of the Harvard-Smithsonian Center for Astrophysics, and Founding Director of Harvard's Black Hole Initiative. He is chair of the Advisory Committee for the Breakthrough Starshot Initiative. His new book is Extraterrestrial: The First Sign of Intelligent Life Beyond Earth.


Episoder(416)

255 | Michael Muthukrishna on Developing a Theory of Everyone

255 | Michael Muthukrishna on Developing a Theory of Everyone

A "Theory of Everything" is physicists' somewhat tongue-in-cheek phrase for a hypothetical model of all the fundamental physical interactions. Of course, even if we had such a theory, it would tell us...

30 Okt 20231h 17min

254 | William Egginton on Kant, Heisenberg, and Borges

254 | William Egginton on Kant, Heisenberg, and Borges

It can be tempting, when first introduced to a deep concept of physics like Heisenberg's uncertainty principle, to draw grand philosophical conclusions about the impossibility of knowing anything prec...

23 Okt 20231h 6min

253 | David Deutsch on Science, Complexity, and Explanation

253 | David Deutsch on Science, Complexity, and Explanation

David Deutsch is one of the most creative scientific thinkers working today, who has as a goal to understand and explain the natural world as best we can. He was a pioneer in quantum computing, and ha...

16 Okt 20231h 42min

AMA | October 2023

AMA | October 2023

Welcome to the October 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Pat...

9 Okt 20232h 58min

252 | Hannah Ritchie on Keeping Hope for the Planet Alive

252 | Hannah Ritchie on Keeping Hope for the Planet Alive

Our planet and its environment are in bad shape, in all sorts of ways. Those of us who want to improve the situation face a dilemma. On the one hand, we have to be forceful and clear-headed about how ...

2 Okt 20231h 15min

251 | Rosemary Braun on Uncovering Patterns in Biological Complexity

251 | Rosemary Braun on Uncovering Patterns in Biological Complexity

Biological organisms are paradigmatic emergent systems. That atoms of which they are made mindlessly obey the local laws of physics; even cells and organs do their individual jobs without explicitly u...

25 Sep 20231h 11min

250 | Brendan Nyhan on Navigating the Information Ecosystem

250 | Brendan Nyhan on Navigating the Information Ecosystem

The modern world inundates us with both information and misinformation. What are the forces that conspire to make misinformation so prevalent? Can we combat the flow of misinformation, perhaps by lega...

18 Sep 202357min

249 | Peter Godfrey-Smith on Sentience and Octopus Minds

249 | Peter Godfrey-Smith on Sentience and Octopus Minds

The study of cognition and sentience would be greatly abetted by the discovery of intelligent alien beings, who presumably developed independently of life here on Earth. But we do have more than one d...

11 Sep 20231h 28min

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