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Recent posts

Symeon Papadopoulos

244. An efficient local method for community detection in large networks

This is a guest blog post by Symeon Papadopoulos (MKLab, Informatics and Telematics Institute, Greece) who is going to determine whether effective community exist in the complex network of NEQNET readers Dmitry. I have been kindly given the opportunity by Dmitry to provide an overview of the problem of community detection in networks and discuss [...]

APPLIED, COND-MAT February 9, 2009 1 Comment
Dmitry Podolsky

243. Turbulence: brief introduction into phenomenon

About a week ago I have listed top ten open problems in physics. If you say A, you are naturally supposed to say B (especially, if readers ask you ), so, I guess, I will have to discuss each problem from the list in more details. I would like to start with the problem N3 [...]

APPLIED February 9, 2009 7 Comments
Dmitry Podolsky

242. Video of the day: George Smoot on design of the Universe

George Smoot, Nobel Prize 2006 winner, was invited to give a 20-minute talk on cosmology at TED. Thanks to @kusior.

ASTRO February 9, 2009 3 Comments
Dmitry Podolsky

241. Twitter updates for 2009-02-08

How your brain figures out that God exists: http://twurl.nl/ysq64k Drexler on nanosystems: http://tinyurl.com/byeojf What if we will run out of gas? a talk by Goodstein (Caltech) in Perimeter Inst.: http://pirsa.org/09020006/ Which part of the brain the memory is stored in? http://jijr.com/m4M Nature Nanotechnology on power of proteins: http://dx.doi.org/10.1038/nnano.2008.422 Holographic quantum liquid: http://link.aps.org/doi/10.110…..102.051602 Shorting neurons with [...]

Uncategorized February 8, 2009 3 Comments
Dmitry Podolsky

240. On credit market debt

According to our tradition, no science discussions are allowed on Sunday (a gentleman has to be able to find fun beyond the area of his expertise), except maybe video of the day. So, I decided to revive the old topic – global financial crisis – and continue the discussion from where we stopped last time. [...]

Uncategorized February 8, 2009 1 Comment
Dmitry Podolsky

239. Susskind’s lectures on general relativity

A most natural generalization of the lectures posted yesterday and on Friday

ASTRO February 8, 2009 4 Comments
Dmitry Podolsky

238. Twitter updates for 2009-02-07

New metallic carbon crystal: http://link.aps.org/doi/10.110…..102.055703 #prl #carbon # Computational power of correlations: http://link.aps.org/doi/10.110…..102.050502 #quantum # Quantum fluctuations in small lasers: http://link.aps.org/doi/10.110…..102.053902 #prl #laser # It seems that Senate is going to cut the funding of NSF: http://short.to/rem #nsf # It is pretty clear to me that the recent NSF porno story was a black PR [...]

Uncategorized February 7, 2009 2 Comments
Dmitry Podolsky

237. What is eternal inflation?

Via immortal xkcd.

ASTRO February 7, 2009 0 Comments
Dmitry Podolsky

236. Video of the day: Susskind’s lectures on special relativity 5 – 8

Continuation of the lectures posted yesterday.

ASTRO, HEP-TH/PH February 7, 2009 3 Comments
Dmitry Podolsky

235. Twitter updates for 2009-02-06

Singularity University – overview: http://singularityu.org/overview/ #transhumanism # Mini-course on Mach’s principle: http://pirsa.org/09020029/ #mach PI does become a Theoretical Institute for Theology. # How to evaluate lab work: http://is.gd/itYf #science # Looking for dark matter in wrong places: http://short.to/r9t #cosmology #darkmatter # Liouville theory in the infrared: http://twurl.nl/3visr0 #string theory # Simple introduction to quantum groups: [...]

Uncategorized February 6, 2009 0 Comments
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  • James Ph. Kotsybar: SAGITTARIUS A* -- James Ph. Kotsybar Mysteriously cloaked, obscure despite Interior illuminating glare, Long ...
  • cad: The presentation can be found in several formats at http://pirsa.org/08110051/...
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  • James Ph. Kotsybar: FEARFUL SYMMETRY (from Songs Of Experiments) -- James Ph. Kotsybar Beyond notice, out of sight in dimensions c...
  • James Ph. Kotsybar: OFF THE SCALE -- James Ph. Kotsybar The young lady known simply as Bright, who could travel at speeds f...
  • James Ph. Kotsybar: COSMIC PREDICTION -- James Ph. Kotsybar Betelgeuse is gonna blow! It?s just a matter of time It?s only ten...
  • Leo: Ok I have a question: if a black hole is supermassive, say 100 billion solar mass, let's suppose Alice fells int...
  • James Ph. Kotsybar: HIGHER DIMENSIONS -- James Ph. Kotsybar From point to line to plane to sphere there?s only three dimensi...
  • superkuh: I am glad you are back! No more disapointing weekly refreshings of that monkey....
  • Dmitry: Thank you James, beautiful and inspiring as usual :)...
  • Dmitry: Yes, renormalization group should still be applicable, but crit. exponents have to be different. By the way, if we ...
  • James Ph. Kotsybar: UNIQUE PARAMETERS -- James Ph. Kotsybar There is only one answer to creation. Though we don?t nearly understan...
  • Ariel Amir: Very interesting, thanks. It indeed seems to be very close to what we discuss here. I wonder whether the distributi...
  • Dmitry: Hi Ariel, thanks for the explanation! Let me now discuss a bit the application I had in mind. It has to do w...
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    • 226. Top ten open problems in physics
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    • The very meaning of socialism
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    • 377. Temporal and spatial dependence of quantum entanglement
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