Mark Trodden and Dmitry Podolsky wrote about a gravitational conference in Cleveland, Ohio that they have attended. Some talks have focused on experimental tests - but for these tests to make sense, there should also exist a rational or semi-rational reason to expect some deviations from the theories we use today. And people have had different opinions about this point, as we will see, even though only one opinion is correct. ;-) Dmitry reported that Newton's law is now known to be valid at...
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