Cosmology & Time

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Time & Time Travel win real Quantum Entanglement win real Dark Matter & Dark Energy win real
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Date:	12-03-06
Host:	Art Bell
Guests:	Sean Carroll

Senior Research Associate in Physics at Caltech, Sean Carroll discussed such topics as time & time travel, dark matter and dark energy. If time travel were to be developed, he suggested it would resemble space flight rather than a stationary machine that disappeared. Gravity causes a curvature of space/time, he noted, so if a person were to travel near a black hole for a day, 500 years might have passed back home, and when they returned, it would be as though they had gone into the future.

Dark matter, which has been inferred from the study of galaxies and galaxy clusters,is a type of mass that doesn't "bump into" ordinary particles that make up our known atomic structure, he explained. Carroll compared dark matter to neutrinos, particles that were initially hypothetical but now more understood. In contrast to dark matter, dark energy is evenly distributed throughout the universe and exists in-between galaxies.

Carroll also spoke about Big Bang theories and speculated that "baby universes" could be born on an ongoing basis, when a tiny black hole is formed that opens into a new universe. He believes there will be a definitive understanding of the Big Bang within 50 years.

Bumper Music

Bumper music from Sunday December 03, 2006

1.	25 Or 6 To 4 Chicago	2.	Boom Boom Ba Metisse	3.	Crunchy Granola Suite Neil Diamond
4.	I Can See for Miles The Who	5.	Inca Dance Cusco	6.	Midnight Express (The Chase) Giorgio Moroder
7.	Midnight Express (The Chase) Giorgio Moroder	8.	Red Rain Peter Gabriel	9.	Red Rain Peter Gabriel
10.	The Chain Fleetwood Mac	11.	The Night Has a Thousand Eyes Bobby Vee	12.	Time Pink Floyd
13.	Time Alan Parsons Project	14.	Time Hootie & the Blowfish	15.	Time After Time Frank Sinatra
16.	Time After Time Cyndi Lauper	17.	Time After Time Cyndi Lauper & Sarah McLachlan	18.	Time Passages Al Stewart
19.	Twilight Zone Golden Earring	20.	What Is Life George Harrison	21.	Who Loves You Frankie Valli & The Four Seasons