Facts that can amaze you...
#1
Light travels fast only in a vacuum. It is slowed whenever it passes through something, being measured as traveling as slowly as just 38 miles per hour at absolute zero (-273.15C) through ultra-cooled rubidium.
#1
Light travels fast only in a vacuum. It is slowed whenever it passes through something, being measured as traveling as slowly as just 38 miles per hour at absolute zero (-273.15C) through ultra-cooled rubidium.
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