January 5, 2013

Einstein's E=MC2 May Break Down in Outer Space

The Daily Galaxy, The Daily Galaxy

AP Photo

University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be correct or not depending on where you are in space.

With the first explosions of atomic bombs, the world became witness to one of the most important and consequential principles in physics: Energy and mass, fundamentally speaking, are the same thing and can, in fact, be converted...

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TAGGED: Mass, Special Relativity, Einstein


October 14, 2013
10 Terrific Physics Halloween Costumes
Buzz Skyline, Physics Central
We've blogged about physics Halloween costumes in the past, but too late to help anyone come up with ideas in time to actually celebrate the greatest holiday of the year.We're going to try to remedy that this year by suggesting... more ››
Speed of light experiments measure the average speed to a destination and back, leaving open the possibility that the speed may differ over each leg. Now Canadian physicists have measured the one-way speed of light to test... more ››