To Infinity and Beyond: The Accelerating Universe

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Published on Jul 15, 2015

Dark energy is cosmology’s biggest mystery—an anti-gravitational force that confounds the conventional laws of physics. It makes up more than two-thirds of the cosmos, but science is still grappling to explain what dark energy actually is. In this program, top physicists search for clues to this mystery in both the earliest moments of the universe and far into the future of the cosmos.

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PARTICIPANTS: Josh Frieman, Priyamvada Natarajan, Adam Riess, Jan Tauber, Neil Turok
Original Program Date: 05/28/2015

Lawrence Krauss’s introduction. 00:15

The geometry of space. 4:28

How to create the clumps from inflation? 8:50

Einsteins equations. 13:23

Participant Introductions. 17:50

What does expansion mean? 20:00

what have we learned since the cosmological constant? 29:20

What do the observations show? 37:00

There is no evidence of gravitational waves. 43:00

What is the useless useful? 46:04

Leading the hunt for dark energy. 53:51

Proving a cosmological constant. 1:02:00

Will we be able to measure that dark energy as the cosmological constant in this lifetime? 1:07:01

The history of the universe and forming a black hole. 1:16:59

Science & Technology

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