Tuesday, July 20, 2010
Designing The Perfectly Smooth Roller Coaster Ride
Mathematicians have derived the shape of a roller coaster that gives a perfectly smooth ride
What fun is that?
Monday, July 19, 2010
Quantum Time Machine Solves Grandfather Paradox
A new kind of time travel based on quantum teleportation gets around the paradoxes that have plagued other time machines, say physicists.
Fire up the Delorean! A direct quote and the last line in the article.
Link at: Technology Review Blog