Turning a Sphere Inside Out Wednesday, April 15th, 2009 - Sarah Gingichashvili Since its discovery by Stephen Smale in 1958, Smale’s paradox has baffled more than a few mathematicians’ minds...
You, Grandpa, and Time Travel Paradoxes Tuesday, November 11th, 2008 - Ran Levi The idea of time travel is possibly one of the most intriguing topics in modern science. If it becomes a reality it could...