Fermi Paradox Points to Fewer Than 10 Extraterrestrial Civilizations
The absence of alien probes visiting the solar system places severe limits on the number of advanced civilizations that could be exploring the galaxy.
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The Physics arXiv Blog produces daily coverage of the best new ideas from an online forum called the Physics arXiv on which scientists post early versions of their latest ideas. Contact KFC at KentuckyFC @ arxivblog.com
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The Physics arXiv Blog's Stories
The Puzzle of Astronomy's Unexplained Anomalies
A series of mysterious observations of objects within the solar system could indicate the existence of exotic new physics.
Metamaterial Improves Resolution of MRI Scans
Improving the resolution of MRIs without increasing RF field strengths is an important breakthrough.
Kauffman on the Philosophy of Mind
The theoretical biologist, Stuart Kauffman, argues that quantum physics can explain the existence of free will.
Lips 'n' Lapse
The best of the rest from the physics arXiv:
Evolution Could Explain Cancer-Relapse Mystery
Evolution may explain why treated tumors sometimes spread more aggressively than untreated ones.
The Surprisingly Complex Art of Cake Cutting
Mathematicians have discovered how to divide a cake fairly among three people.
Virtual Clouds Could Prevent Data Centers Destroying the Planet
The way data centers devour resources could be dramatically reduced by embracing "community cloud computing." And Wikipedia may be the perfect test bed.
Terahertz Transistor Could Usher in Era of Cheap Surveillance Video Cameras
New terahertz-detecting technology could make "intimate" body-search-at-a-distance cameras as cheap and easy as conventional video shots.
Free 'n' Easy
The best of the rest from the physics arXiv this week:
