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Marcia Bartusiak joins Kip Thorne, Laura Danly and Rainer Weiss to demonstrate how two observatories on opposite sides of the country, called LIGO (Laser Interferometer Gravitational-wave Observatory), may open a new window on observing the cosmos—one based not in light but in gravity. Scientists have embarked on this joint experiment, seeking whispers of far-away violence—like the collision between distant black holes—rippling through the cosmos. It’s taken nearly a century, but technology has finally caught up to Einstein’s brilliance. His 1916 General Theory of Relativity predicted the existence of gravitational waves—undulations in the very fabric of space and time—and LIGO researchers are now poised to detect them.
PARTICIPANTS: Andrea Lommen, Kip Thorne, Laura Danly, Rainer Weiss
Original Program Date: June 4, 2010
The Sound of the future 00:14
Marcia Bartusiak’s Introduction 00:40
The history of gravity. 05:55
Participant Introductions. 08:02
How did we get here from the past? 12:11
The universal rate of acceleration. 18:43
What drew Einstein to rethink Newton’s ideas. 24:30
What Einstein predicted. 29:28
What happens when two black holes collide? 35:35
Stumbling on to a binary pulsar 40:30
Why do you study something that doesn’t exist? 46:10
Measuring the strain of the universe. 53:35
LIGOS the gravitational tape measure. 59:35
When do you hear the gravity wave? 01:09:30
What are the new surprises to look forward to? 01:16:00
What would you expect space time to look like when black holes collide? 01:22:25
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great show, but when we finally get to the last panelist the host talks all over him. rude
KIp Thorne is one of very rare people that can explain things well. Too bad he has some disability in his speech. Nevertheless he is a rare jewel on youtube for gravitational topics.
I enjoy this "Shows" immensely ….so few of them going around…..some times one is to busy w/every day living that one loses track of the fact that stuff like this is out there …..ready for us to enjoy it.
I like to thank everyone involved on developing these programs and those who ensure they get to us….
Thanks!!……Gracias!!
he's an android.
i tried to understand Andrea's explanation but was foiled by her sexy red dress and long legs: xlnt calves, thighs that shine out, a beautiful woman sighs
Freeman Dyson has shown an equation proving that LIGO will never ever detect gravitational waves/gravitons.A waste of money and a huge mistake on behalf of the folks behind the project.
who's to say Aristotle was talking about Terrestrial objects?
The only thing mathematics and physics cannot predict is who Hollywood will throw as a director onto a movie. Spielberg would have done such an amazing job of interstellar instead of that drawn out mess we got instead.
Where's John Hockenberry.?
If you missed it in this discussion, no gravity waves have ever been detected as of the discussion date, and not as of today July 8, 2015. Although General Relativity is undoubtedly reliable, I don't see that the predictions about spectacular interacting neutron stars necessarily is. The fact that there has never been any lucky detection in lower sensitivity detectors, and the lack of any possible verification for the predictions concerning neutron stars, make it too possible that the improved sensitivity detectors will never see anything.
It may not ignite it it will bern .. it's called radiation and it's hot ? Av a look
torsion yo
Interstellar directed by Spielberg? How am I supposed to trust people on this discussion now?