October 10, 2013

Cracked Cosmos: Defects in Spacetime?

Clara Moskowitz, Scientific American

AP Photo

If the prospect of an ever-expanding universe that eventually stretches into a vast emptiness isn’t depressing enough, there’s this: the universe may have cracks in it.

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TAGGED: Cosmic Strings, Topology, Spacetime


October 17, 2013
Physicists Want to Tie Light into Knots
Hamish Johnston, Physics World
Fantastical knot-like structures of light could soon be created in the lab thanks to calculations made by physicists in the US, Poland and Spain. They have discovered a new family of solutions to Maxwell's equations that are... more ››