Ep. 751: Vacuum Energy

Astronomy Cast

Science, Astronomy, Natural Sciences, Space

4.8 • 3.4K Ratings

🗓️ 14 April 2025

⏱️ 34 minutes

🔗️ Recording | iTunes | RSS

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Summary

Astronomy Cast Ep. 751: Vacuum Energy By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 7, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. Even empty space isn’t empty. It’s filled with the quantum fluctuations of spacetime itself. Which can be measured with famous experiments like the Casimir Effect. There is a surprising amount of energy in space itself, which has led to some interesting theories about how the future of the Universe might evolve. You can't get something from nothing but sometimes that nothing is something you can get something from. SUPPORTED BY YOU This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

Transcript

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0:00.0	I'm
0:02.0	Oh Thank you. I'm going to Astronomycast, Episode 751, vacuum energy.
0:53.3	Welcome to Astronomycast for Weekly Facts Based
0:55.3	Journey Through the Cosmos. We help you understand not only what we know, but how we know what we
0:58.8	know. I'm Fraser Kane. I'm the publisher of the universe today. With me, as always, is Dr. Pamela
1:02.9	a senior scientist for the Planetary Science Institute and the director of Cosmast. Hey, Pamela, how
1:07.6	you doing? I am doing well. We have hit one of the key points in spring.
1:13.6	I know that once the apple tree is done blooming, it is safe to plant things into the ground.
1:20.6	And this weekend, the apple tree decided it would bloom.
1:24.6	I have completely unrelated news.
1:27.7	That has nothing to do with spring.
1:28.9	And that is, thank you everybody who responded so incredibly to my desperate plea for a new business model a couple of weeks ago.
1:39.1	People were amazing and generous and kind.
1:41.4	And we did it.
1:42.6	That we completely filled the universe today gap in the
1:47.3	business model. That removing ads from the website was exactly the right move. And I now live in
1:52.8	this post-alorithm, SEO, AI slop, business model, ad network vision of the future, where I just think about the
2:07.1	stories that we want to cover and then we just do it. And then that's that. It's amazing.
2:12.3	That's amazing. I am so happy for you. Yeah. Yeah. Yeah. It's absolutely incredible. Like, just to, and you don't realize, like, I know I'm going to take another, I don't know,
2:22.9	year to decompress because so much, like the last 26 years of my life has been, well,
2:27.8	what will the search engines think?
2:29.2	What does the algorithm want?
	...

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