Albert Einstein’s mass-energy equation E=mc2 is inadequate and valid only under certain conditions, with a proper study not carried out, an Indian researcher claimed recently. The famous equation, ...

BOSTON (AP) — A letter written by Albert Einstein in which he writes out his famous E = mc2 equation has sold at auction for more than $1.2 million, about three times more than it was expected to get, ...

A letter written by Albert Einstein in which he writes out his famous E=mc2 equation has sold at auction for more than $1.2 million, about three times more than it was expected to get, Boston-based RR ...

It’s really grainy, and you can’t make out the famous E=MC2 equation, but this is the only known photograph of the master hammering away at the chalkboard on his special relativity formula. David ...