Cosmology Lecture 9
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(March 11, 2013) Leonard Susskind presents the theory of cosmological inflation under which the early universe expanded exponentially before the Big Bang. This theory explains the lack of observed magnetic monopoles and the uniformity of the cosmic microwave background radiation. Originally presented in the Stanford Continuing Studies Program. Stanford University: http://www.stanford.edu/ Stanford Continuing Studies Program: http://csp.stanford.edu/ Stanford University Channel on YouTube: http://www.youtube.com/stanford
Comments
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I don't like equations and I'm in the wrong place.
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Once the density of the field decreases, can buoyancy take over and reverse it course up the curve?
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Could one think, the expansion of space is a dimention of it self ?
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First question, when he asks "what is acting on what", I think he means what is producing the field? There are electric fields, but they are produced by electric charges. What produces this scalar field?
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IF NOTHING HAPPENS SPONTANOUSLY , THEN HOW CAN YOU SAY THIS ELEGANT UNIVERSE CAME ABOUT BY CHANCE, MR. SUSSKINDE?
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The relational world of Leibniz demands that all participants be considered in our equation in order to give an explanation (a parameter like mass or time taken in isolation signifies nothing- Lee Smolin). If the parameter space gets more and more complicated as time goes on we are in deep trouble.
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The function PHI is at the root of all explanation, and is just too simple.
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Are we to accept that this field , as drawn , can apparently have a value of zero , and yet have a large potential energy.?
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that assumption may well be correct the 'causality' of the blue red shift , like the viscosity concept of gravity as a viscosity ,
that external thermal expansion boundary may have acted to for want of a better description crystallized (*heat)energy (mono pole) at that boundary ression from that boundery cold>.^ >heat coalescing that mono pole into matter through the described thermal reaction between the ressing of the monopoles & the expanding heat so if that's true there would be no mono poles delectable they may have once the boundary forces became act to encapsulate the universe we could an attempt to create them in the higgs boson field possible to the point of a 1d feild or a stationar ywhere in at the origins the field some moment cascading heat into the big bang or lots of little ones at the thermal expansion boundary (a question dose intensifying tension in a wire decrees its electral resistance =2 cooling it
,from heat not to heat, heat meaning all wave leanths , as in a diffracting with in a glass prism , ,you should re read foruer he's quit explicit about his objectives -
Why this lectures has different continues in time?They are not fixed in time duration?
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Does anybody have the pictures that L.Susskind sent to the students for this lecture? Thanks
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Or more likely the other way around? The less they respect or even area able to recognise knowledge, the more stupid they get. But what is their alternative?
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Fascinating subject!!.Also nice camera and volume work(so we can hear the questions.Thx for posting.
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Look at our own known universe as a super massive black hole. Round and spherical with a gravitational singularity. Gravity bends the space-time, causing a multi-lateral orbit of light and information. Matter from outside of our known universe is brought in at the event-horizon and scattered radiating on the outside. Everything we see around us is in the past, just a matter of re-organizing the information to find out that it all came from the same single point. How, I don't know just what I see
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Another excellent series of lectures by Professor Susskind!. Thank you so much!
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I am a freshman in community, currently taking introduction to physics. And I love these lectures, and I would just like to thank all in involved in the sharing of this knowledge.
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Somebody should show him Bioshock Infinite and make him explain it.
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Thank you -- these are great, and the production values have improved greatly -- better resolution, and the camera action; the content is of course first rate as always.
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next week, or, they will upload 4 at a time next month.
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