Re: Gravity not a Force?

From: Dan Bloomquist (EXTRApublic21_at_lakeweb.com)
Date: 09/29/04 

Date: Wed, 29 Sep 2004 20:32:03 GMT

Donald Hamilton wrote:
> How can Eistein say gravity is not a force when it accelerates bodies.
> Isn't that a decription of a force acting on a body. What proof is
> there that gravity "warps" space?

My favorite quote on this: 

----
Ever since Francis Bacon, it had been believed that the laws of Nature
were there to be 'discovered,' if only one made the right experiments.
Einstein taught us differently. He stressed the vital role of human
inventiveness in the process. Newton 'invented' the force of gravity to
explain the motion of the planets. Einstein 'invented' the curved
spacetime and the geodesic law; in his theory there is no force of
gravity. If two such utterly different mathematical models can (almost)
both describe the same observations, surely it must be admitted that the
physical theories do not tell us what nature is, only what it is like.
The marvel is that nature seems to go along with some of the 'simplest'
models that can be constructed...
‘Wolfgang Rindler
----
> Don Ham.
Best, Dan.
-- 
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