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This article originally published in
This, when you talk to the GP-B team, is the hope they profess. Not to
overthrow Einstein. Not to lay the foundation for a new theory of the universe.
"I’d like to see experimental results with very low uncertainty and internal
consistency which other scientists will believe," says John Turneaure.
But that’s just the problem, say some critics of GP-B, who contend that the
vast majority of the scientific community already believes the theory of general
relativity. It’s been supported increasingly by sophisticated astronomical
observations, say these critics; GP-B is a risky, one-shot experiment that can’t
be corroborated by another, so why not spend our money in a potentially more
productive area?
To which Everitt and his team reply that, accepted or not, Einstein’s theory
needs revision. For one thing, it doesn’t square with quantum mechanics.
Furthermore, while Einstein’s theory of special relativity, which weaved space
and time together and produced the famous equation E=mc2, is
well verified, his theory of general relativity isn’t. Though a few observations
confirm certain aspects of general relativity (see "The Case for Einstein,"),
important aspects of the theory have yet to be tested by traditional scientific
experimentation. Given a chance to do that--to achieve some results that are
unprecedented in their precision and others that are altogether unique--why not try?
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