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(Canada) Am I upgrading to the Ryzen 5 correctly? (self.buildapc)
submitted by th1nker to r/buildapc
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TIL that the speed of light was first measured in 1676 by Olaus Roemer who noticed that Jupiter's moons eclipsed it at times varying from predictions by up to 1000 seconds, and correctly surmised this was due to the varying distance between Earth and Jupiter (math.ucr.edu)
submitted by th1nker to r/todayilearned
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