On 3/19/2019 9:32 AM, John Clark wrote:
On Tue, Mar 19, 2019 at 4:50 AM <[email protected]
<mailto:[email protected]>> wrote:
**
*> I suppose Einstein started with the motivation of finding a
general transformation from one accelerating frame to another, and
later gave up on this project and settled for a theory of gravity.
Is this true? TIA, AG*
Einstein's breakthrough, what he called "the happiest thought of my
life" was when he realized a man in a falling elevator will not feel
gravity but a man in a accelerating elevator will. In other words an
accelerating frame and gravity are the same thing, that's why it's
called the Equivalence Principle.
I wonder if Einstein ever considered whether a charged particle in the
falling radiate would radiate?
Brent
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