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Talk:Theory of relativity (view source)
Revision as of 19:44, April 13, 2012
, 19:44, April 13, 2012→Why are adjustments needed to GPS?: stick to the facts
: That is the story as I have heard it. Except that I heard that the 38 ns/day adjustment was remotely switchable, because of relativity skeptics who did not believe that it would be necessary. I also don't agree that GPS is "dependent on Einstein's conception of space and time." The GPS system has the ability to measure the daily adjustments that it needs. So even with any relativity theory or Einstein conception, it could just make those 38 ns/day adjustments and GPS would have all the accuracy it has today. [[User:RSchlafly|RSchlafly]] 15:19, 13 April 2012 (EDT)
: That is the story as I have heard it. Except that I heard that the 38 ns/day adjustment was remotely switchable, because of relativity skeptics who did not believe that it would be necessary. I also don't agree that GPS is "dependent on Einstein's conception of space and time." The GPS system has the ability to measure the daily adjustments that it needs. So even with any relativity theory or Einstein conception, it could just make those 38 ns/day adjustments and GPS would have all the accuracy it has today. [[User:RSchlafly|RSchlafly]] 15:19, 13 April 2012 (EDT)
::In the summary I was careful to stick to facts supported by evidence, and to avoid saying "GPS is dependent on Einstein's conception of space and time", even though the two main references I have quoted do in fact say this. All I said was that the adjustment calculated according to relativity agrees with the actual adjustment, from which one might reasonably conclude, in this instance at least, that relativity is consistent with reality. [[User:RolandPlankton|RolandPlankton]] 15:44, 13 April 2012 (EDT)
== Logic and the GPS ==
== Logic and the GPS ==