The death of the universe -- and what it means for life | Katie Mack

TED Talks Daily

TED

Creativity, Ted Podcast, Ted Talks Daily, Business, Design, Inspiration, Society & Culture, Science, Technology, Education, Tech Demo, Ted Talks, Ted, Entertainment, Tedtalks

4.1 • 11.9K Ratings

🗓️ 24 May 2021

⏱️ 7 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

The universe started with a bang -- but how will it end? With astonishing visuals, cosmologist and TED Fellow Katie Mack takes us to the theoretical end of everything, some trillions of years in the future, in a profound meditation on existence, wonder and the legacy of humanity within the immensity of time and space.

Hosted on Acast. See acast.com/privacy for more information.

Transcript

Click on a timestamp to play from that location

0:00.0	Hi, Neil deGrasse Tyson here, and I'm guest hosting today on TED Talks Daily.
0:10.2	Here's a talk from a TED fellow and fellow astrophysicist, Katie Mack.
0:15.9	She's a thought leader who's trying to make sense out of the complicated and theoretical issues related
0:24.1	to the future of the universe.
0:26.6	Wait, wait.
0:27.3	Actually, her specialty is the end of the universe.
0:31.8	That's where she's coming from, or at least that's where she's going, or that's where
0:36.2	she's going to take us.
0:38.0	Check it out.
0:47.2	I love the universe, the vastness, the mystery, the astonishing beauty of the stars.
0:53.2	I love everything about it, and I've devoted my life to studying it, from atoms to galaxies,
0:57.4	from beginning to end. But lately I've gotten stuck on that last bit, the fact that the universe is dying. I know this may come as a shock. I mean,
1:04.4	it's the universe, it's everything. It's supposed to be eternal, right? But it isn't. We know the universe
1:10.8	had a beginning, and everything
1:12.1	that begins ends. The start of the story is a familiar one. In the beginning, there was light.
1:18.6	We know that because we can see it directly. The cosmos today is filled with low-energy background
1:24.7	radiation, left over from a time when the whole universe was an all-encompassing inferno.
1:30.8	In its first 380,000 years, space wasn't cold or dark.
1:35.7	It was thick with a churning, humming plasma.
1:39.1	It was hot and dense.
1:41.2	It was loud.
1:42.6	But it was also expanding.
	...

Please login to see the full transcript.

Previous episode | Next episode

Disclaimer: The podcast and artwork embedded on this page are from TED, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of TED and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.