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254. Continuing dS/CFT – the correspondence. Part 1
When I’ve discussed dS/CFT correspondence last time, I listed several criticisms of it, but probably had to explain in the first place what is the essence of dS/CFT According to Bousso, Maloney and Strominger, the correspondence works as follows. First of all, de Sitter space does not have a nice spatial infinity like AdS space [...]
253. Video of the day: first time machine
Discovery Channel program (for children really – but featuring Ronald Mallett from the U. of Connecticut) related to the problem N1 in my list. NEQNET would like to state officially that time travel is impossible
252. Twitter updates for 2009-02-11
Conference on biohacking: http://www.atlanticnanoforum.org/programs.htm Wow! (well, synthetic biology, actually) On LHC schedule: http://tinyurl.com/aq9ctu Singularities in your kitchen: http://tinyurl.com/cwvel6 Conference on dark matter and dark energy: http://jijr.com/mX1 … and may the force be with you. Scientists study Saskatchewan meteorite: http://www.cbc.ca/technology/s…..orite.html Self-reassembling robots: http://tinyurl.com/bmavfr Lubos Motl on covariant M(atrix) theory: http://snipr.com/bnc8d Terence Tao on compactness in topological [...]
251. Scientist’s gadgets: Kindle 2 vs. Palm
Amazon has recently (announced in New York on this Monday) released Kindle 2. It is currently only available for preorder, but I still want to review it – I am a kind of familiar with the subject of ebook readers, as you will see My story begins about 5 years ago. At that time I [...]
250. Video of the day: Working in space
Astronaut Jim Newman talks at Google about his experiences of working in space during STS-51 (1993), STS-69 (1995), STS-88 (1998) and STS-109 (2002) (the latter was the fourth servisicng mission for HST). Worth watching!
249. The fate of unstable gauge flux compactifications
This is a guest post by Ivonne Zavala from the Bethe Center for Theoretical Physics (Bonn). Dmitry. Let me start by thanking Dmitry for the invitation to write a guest blog entry about my recent paper arXiv:0812.3902. This has been done in collaboration with Cliff Burgess and Susha Parameswaran, and it is about possible end [...]
248. Nature is not scale-free
Click on the image in order to see larger version. With thanks to @hugan.
247. Physics of turbulence: four puzzles
Before starting to discuss theories and models describing phenomena of weak and developed turbulence in fluids, plasmas etc., etc., let us first recall why exactly theoretical physicists were so unsuccessful so far in understanding turbulence at the quantitative level. In order not to make this post too long , I am going to list only [...]
246. Twitter updates for 2009-02-09
Non-equilibrium fluctuations in a glass forming liquid: http://link.aps.org/doi/10.110…..102.055704 #prl Wurtzite BN is harder than diamond: http://link.aps.org/doi/10.110…..102.055503 Lubos Motl is answering to critics of string theory: http://snipr.com/bj1sz Chamonix: workshop on LHC commission http://tinyurl.com/dj3d4w The puzzle of neutron lifetime: http://arxiv.org/abs/0902.0169 Science and sociology of dark matter: http://short.to/wd7 Google and Amazon are to put more books on cellphones: [...]
245. Interesting news from PI
Has just received an interesting email: WATERLOO, Ontario, Canada, February 9, 2009 ? Dr. Neil Turok, Director of Canada’s Perimeter Institute for Theoretical Physics (PI), is pleased to announce the appointment of nine more outstanding international scientists to the positions of PI Distinguished Research Chairs. The new Chairs include Yakir Aharonov of Chapman University, Nima [...]
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Large non-Gaussianity from axion inflation
January 31, 2012 14:01 -
On strong disorder renormalization
March 18, 2011 20:03 -
Relaunching NEQNET
January 20, 2011 21:01 -
Saturday’s photoguess: what does this monkey symbolize?
June 20, 2009 19:06 -
Dynamics of space storm
June 19, 2009 12:06
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Micro: Can 2 question provide a common solution? Black holes, information loss paradox and Ultra high energy cosmic rays. ...
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James Ph. Kotsybar: SAGITTARIUS A* -- James Ph. Kotsybar Mysteriously cloaked, obscure despite Interior illuminating glare, Long ...
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cad: The presentation can be found in several formats at http://pirsa.org/08110051/...
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Leo: Ok I have a question: if a black hole is supermassive, say 100 billion solar mass, let's suppose Alice fells int...
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superkuh: I am glad you are back! No more disapointing weekly refreshings of that monkey....
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Ariel Amir: Very interesting, thanks. It indeed seems to be very close to what we discuss here. I wonder whether the distributi...
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