Ok, as I understand it we have no way to determine the speed which we are moving at in an absolute sense.<BR><BR>We can say "We are moving 20 miles per hour in the car relative to the road" or "The ...
Physicists have found a way to measure how long ultra-fast quantum events actually take—without using a clock at all.
After years of confusion, a new study confirms the proton is tinier than once thought. That enables a test of the standard model of particle physics.
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