Brian Greene: The Search For Hidden Dimensions

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Uploaded by on May 17, 2010

Brian Greene explains how extra dimensions may solve several problems in physics, and gives his stance on the possibility of a "multi-verse".

To learn more about String Theory, watch Brian Greene's "The Elegant Universe" on NOVA:
http://www.pbs.org/wgbh/nova/elegant/

Also see Brian Greene's book on String Theory "The Elegant Universe":
http://www.amazon.com/Elegant-Universe-Superstrings-Dimensions-Ultimate/dp/03...

Or Brian Greene's book on General Physics "The Fabric of the Cosmos":
http://www.amazon.com/Fabric-Cosmos-Space-Texture-Reality/dp/0375727205/ref=p...

If you enjoy content like this, please consider donating to RDFRS here:
http://richarddawkins.net/pages/donate

Download Quicktime (720p HD):
http://c0116791.cdn.cloudfiles.rackspacecloud.com/RDFTV-The-Search-For-Hidden...

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Produced by the Richard Dawkins Foundation and R. Elisabeth Cornwell
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  • This video blew my mind. I am drunk though...

  • I can understand him better than michio kaku. But he is good too. Brian needs to make some more vidio I'd watch

  • now like a fish in a bowl we can only comprehend what our universe has pervided we are a evolutionary product of our enviroment( carbon life form, star stuff) the universe exsists seperate from carbon life forms yet the human conscience can comprehend outside it own exsistence,so that said the dimesion which I talk about is not outside human comprehention but very hard to convey.

  • in the beginng there was a singularity a very very small point this is a dimesion not l, W, or H but a point which the other exsist in or it exsists in all other dimesions,it is so tightly wound yet is every where did not expand is a dimesion seperate from the others, now movement has no relevance in this dimesion, it exsists as a stagnant space in all thinks, a point which is everywhere( think before u react remember u belive everything came out of a very very small point and your ok with that

  • like a fish in a bowl we must stop thinking in only the way our envirerment allow us to. When i talk about the x dimesion do not think in directions. I have a very hard time explaning it because I have to use words which conger up other meanings with that said let me try again but this time try to comperhend by thiking about it rather then geting stuck on the words i use

  • another theory about our time line: when the universe started wjth the big bang the edge of the universe became our past in every direction now the galixies are moving toward the edge of the universe faster then the expantion of the universe giving us the time line of moving forward through time.

  • sorry hit wrong button:) referance point, relativty, a postion or point in the universe I'm saying this is a dimesion, now back to the box.it is our observation which causes nature to collaspse, remember in dimesion x motion has no relavence,so both possablities do not happen in parallel within a multiverse

  • again, when the universe began the theory that most beleive is that a very very small point came into exsistance this point or singularty exsisted before the dimensions L,W,and H exsisted so this point is a dimension which happened first the dimesion did not go away because of the expanding universe in fact this point or dimesion x is so tightly wound that we do not see it yet everthing has a

  • the cats reality is it eather smells the gas and dies or does not smell the gas and lives there is no option the cat smells the gas and lives ect...so the cats reality becomes entangled with the experment and it is our observation which causes nature to collapse to one option or the other but we are like the cat to when we look in the box either we see the cat alive or we see the cat dead. this brings me to my theory of dimension x (it's hard to convy) I have to use the word singularty or point

  • the 4th dimension which I refered to in my last few comments, dimension x, the point at which the universe began,the singularity or tightly wound dimension which exsisted before,length,width and hight is nessacary for things like schrodingers cat experirment to work it is the missing link.in the experment a cat is put in a box with posiones gas,in quantum mechanical position is that the cat is in a superpostion it's both dead and alive and our act of looking forces natures decision next comment

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