To Infinity and Beyond: The Accelerating Universe
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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. Subscribe to our YouTube Channel for all the latest from WSF. Visit our Website: http://www.worldsciencefestival.com/ Like us on Facebook: https://www.facebook.com/worldsciencefestival Follow us on twitter: https://twitter.com/WorldSciFest 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
Comments
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Too bad for Neil Turok that Ligo detected gravitational waves. Now Stephen Hawking has eaten his $200 lunch. :)
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much as I appreciate his lectures I wish mr Krause would see a dress coach to improvise his looks
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What would Turok say now that gravitational waves have been detected?
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Fascinating.
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Please go to YouTube: “Norma, I now know what happens if mass exceeds the speed of light –“
The mathematical model for Infinity is 3 lines in an x,y,z relationship interesting at “0” with “1” a unit of measurement in all directions away from “0”. Therefore, “0” can never be equal to “1”.
However, the Mathematical Symbol for “Infinity” is two circles joined at 0=1. If our universe was formed by 2 equal masses colliding at the speed of light [E=Mc2= (1/2Mc) ><(1/2Mc)], a finite number of vibrating energy strings of equal length (1 [positive charge] on one end and 0 [negative charge] on the other end) radiating out in all directions at the speed of light to resemble a sphere. Each string forms a circle of vibrating energy joined at 0=1 with a diameter of 1 unit of measurement (1 Lightfoot = 1/pi). Some of these smallest energy partials in the universe will travel out to a maximum radius and return back to the original point of collision. Also, as the partials were radiating out, the particles vibrating at the same frequency started forming electrons, neutrons and protons, thus forming all the physical universe. Therefore, lines do not exist within the limits of the universe, just the line segment that forms the Diameter and Circumference of a circle. Since, infinity minus infinity equals Pi, with the diameter of the smallest particle a unit of, there is no need for a ”line of infinite length" in the physical universe. -
TO INFINITY AND BEYOND. Ridiculous. You cannot go beyond infinity.
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For an alternative explanation for the acceleration of the expansion of the universe refer to:
http://www.academia.edu/5009126/The_evolution_of_the_universe
Search Google for:
Richard Lewis The Evolution of the Universe -
Neil Turak is the most intelligent individual person on this panel.
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I don't believe there was a big bang beginning to the universe. It's a theory influenced by religion. Lemaitre was a catholic priest. Majority of people on this planet are religious, scientists included. The universe is infinite is what I believe to be truth. I have zero interest in religion
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who the hell is breathing that heavy?? 1:02:38
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Where did the apple go ?
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It is amazing how much can change in a short period of time. Based off the discussion of 'No Evidence of Gravitational Waves' @ 43:00, I wonder if there could be a follow up discussion ; not necessarily based off BICEP's observation, but LIGO's findings earlier this year.
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Just the fluctuations of dark energy and white energy. Just time flowing forever. Good possibility.
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Ouch!
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May somebody teach this poor guy science? Mainly the basic concept, what NOTHING is, or what really NOTHING in physics is. I would not listen somebody who makes up his own concepts to make it fit in his own imagination. Science please, not dreams.
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The panel starts at 20:05 in case you know the basics of dark matter/energy.
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so we look at the light coming from the Big Bang and see the universe as it was a relatively short period after it started. Earth originated from the Big Bang and science 'looks back' and see light approaching from an earlier time . Does this not mean our planet traveled faster than light?
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...Let me get this straight....lamda....the cosmological constant, Einstein added to account for the static nature of the Milky Way....and experimentation so far has been unable to disprove that it accounts for the rapidly expanding outer edges of the universe.........unable to disprove that dark matter is "pushing" at the exact same rate.......that is uncanny.....
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It was a great talk despite it needs an update for grav. waves discovery. IMHO, It did not reveal any inconsistencies for the final future of our universe in the cosmological long term, despite some guests might think they were opponents due to the way to a new 'big bang' (or 'bangs' if part of our universe will manage to recede too to far to become the part of processes in another universe) is not so straight. Especially if we can look only at observable part / border of our universe
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