Perceiving Einstein

#Science

Sat, May 8th, 2010 11:00 by capnasty NEWS

We all know that Albert Einstein invented Special Relativity (SR) and its extension, General Relativity (GR). But what are they? Are these theories correct? Are they useful? Does it take a physicist or mathematician to understand them? Typically, any search of your local library or the Internet for a clear explanation of what Relativity Theory is all about usually falls quickly into a tangle of concepts such as Minkowsky space, time dilation, and other hypotheses--all impenetrable for the uninitiated. Or at least they have been up to now.

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