Revised Cosmological Constant Predicts a Collapsing Universe

The going theory among cosmologists is that the universe will eventually rip itself to shreds owing to its ever-accelerating rate of expansion. Not so, say a pair of physicists who have just taken it upon themselves to reformulate an integral facet of general relativity: the cosmological constant. » 3/07/14 2:46pm 3/07/14 2:46pm

Why can't Einstein and Quantum Mechanics get along?

Despite our successes at describing the inner workings of the universe (Higgs, anyone?), there are still some gaping holes in our knowledge. Where's our Grand Unified Theory or our Theory of Everything? And why is Einstein's General Relativity still at odds with Quantum Mechanics? Why should we want to unify them… » 8/09/13 12:24pm 8/09/13 12:24pm

How The Shapiro Time Delay Effect Proves Einstein's Theory of Relativity

There are a couple of reasons why people react with puzzlement to ideas like General Relativity. The idea of "spacetime" is difficult enough to picture, without talk about the idea that mass distorts it the way a bowling ball distorts a trampoline. (Note to self: Promote trampoline bowling as the world's new most… » 2/14/13 12:20pm 2/14/13 12:20pm

Fictional Science 101: Important scientific ideas that inform science…

Though science fiction often mangles scientific truths, it is nevertheless a genre that is highly influenced by the latest trends in scientific thought and research. Here are some of the scientific (and semi-scientific) ideas that have influenced SF the most. » 8/25/10 11:32am 8/25/10 11:32am