The absence of alien probes visiting the solar system places severe limits on the number of advanced civilizations that could be exploring the galaxy.
The Physics arXiv BlogFollow @twitterapi
The Physics arXiv Blog's Stories
A series of mysterious observations of objects within the solar system could indicate the existence of exotic new physics.
Improving the resolution of MRIs without increasing RF field strengths is an important breakthrough.
The theoretical biologist, Stuart Kauffman, argues that quantum physics can explain the existence of free will.
The best of the rest from the physics arXiv:
Evolution may explain why treated tumors sometimes spread more aggressively than untreated ones.
Mathematicians have discovered how to divide a cake fairly among three people.
The way data centers devour resources could be dramatically reduced by embracing "community cloud computing." And Wikipedia may be the perfect test bed.
New terahertz-detecting technology could make "intimate" body-search-at-a-distance cameras as cheap and easy as conventional video shots.
The best of the rest from the physics arXiv this week: