so this is a video of astrophysicist lawrence kraus explaining in a very lucid and scientific way how our universe came from nothing. explaining where were headed and commenting on the role of relegion{or lack thereof}. its just over an hour long at an event where christopher hitchens/dan dennet etc spoke too. hosted partly by richard dawkins. i must say its a WONDERFUL hour and every1 shud check it out and not be daunted by the time period.
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Looking at you.
As in context with the subject of the thread.
If a person says that the universe came from nothingness, then are they saying that nothingness is something? Or are they saying that the universe was at a zero state?
Note: I have not seen the video. I cannot get YouTube at work. It is blocked. I might watch it later when I get home (depending on how board I am).
Nothing, as in that which makes no sense to our current understanding of physics.
Thank you, everyone. Good night, Happy New Year, and may Nothing Bless you and your loved ones.
P.S. I didn't watch the video either (an hour!?!), but I like to think I have some meager understanding of the subject (eg, chaotic inflation, anyone? false vacuum? Stay tuned for these and other exciting topics next year).
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Shinier than a speeding bullet.
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Nothing, IE, vacuum
It has been known for a long time that there exists such a thing as "Vacuum Fluctuations". Energy spawning form nothing, and negative energy going backwards in time at the same time, thus eliminating itself.
It is thought that the Big bang is a Vacuum fluctuation in which its symmetry broke, thus expanding. Like braking a magnet, they form their own poles and can not be brought back together.
I'll probably watch it at some point. I have a cursory interest in the topic, since it seems to be where a lot of my religious discussions end up leading when I talk to people in my life. I'll cite points A, B, C, D, etc. to support my non-religious views, and they'll usually concede quite a bit of it. Then I don't know enough to say anything about the creation point of the universe and they're kinda like "well there ya go" and claim their de facto victory, while I end up having to retreat to some form of agnosticism.
Nothing is free in this world, my dear friends. The same applies to mass, energy, space and time. Something (or someone) brought the Cosmos into being. Science doesn't try or pretend to know the latter, but Religion does. Science tells us that... whatever that something is (or was) must of had value -- a value that superceedes the physical laws that you and I occupy. "Nothingness" has zero power (energy) to create something. To think otherwise, is not only unwarranted, but obnoxious. It would be like watching a lamp fall off a table, only for someone to say, "Oh... nothing did that. I just happened!" You'd be offended, and I'd understand why.
you didnt watch the video and felt like commenting anyway didnt you? this is the closemindedness of dogma. if you had WATCHED the video, it wud have easily taken care of "exactly" the question you asked. krauss explains how the total energy of our universe is now KNOWN to be COOMPLETELY ZERO. this isn an hypothesis, he explains how it is one of the facts of today, and explains how it is calculated.
yes, the cosmological constant+gravity=spacial energy+energy contained in all the mass of the universe.
meaning that the negetive energy COMPLETELY cancels out the positive energy of the universe thus making the ENTIRE SYSTEM "EXACTLY" EQUAL TO "ZERO. explaining how zero point fluctuations can create a universe without any OUTSIDE injection of energy.
Damn, I just finished watching the entire thing. Some mind blowing stuff that makes me feel and my -Philosophy major in progress- retarded in comparison to these guys.
You are correct; I did not watch the presentation. First, it was too long, and second, it's guaranteed to contain information/theories that have been presented by a dozen other scientists in the recent past. I chose not to subject myself to repetition.
Thank you. I've heard it before, and I'm sure others on the forum have as well. No pun intended.
Stop extrapolating! You assume too much, dear friend. If two opposing energy sources cancel one another, such does not demand (or even prove for the matter) the non-existence of energy. It only reveals a "relationship."
It was Einstein who said that, based on science from 70 years ago. It's now known from experimental observations that there is a cosmological constant of significant value.
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Dec 31st, 2009 02:35 PM
