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A comment on A number that fascinates physicists.

Re:A number that fascinates physicists by mrfusion on Tuesday February 23, 2016 @04:19PM (#11162421)
Why do you need 2pi for the units to cancel out?
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Re:A number that fascinates physicists by gradi3nt on Tuesday February 23, 2016 @04:31PM (#11162512)
You don't, it's just that h-bar = h/2pi is the variety of planck's constant that is more useful in quantum mechanics.
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