sweet dream, or a beautiful nightmare...?
The metre is the distance travelled by light in a vacuum in the fraction 1/299 792 458 of a second (the speed of light being 299 792 458 ms-1)
One second is taken as the time for 9 129 631 770 oscillations of a caesium-133 atom
MC, you are amazing, no wonder i named my theory after youE=mc^2
>.>
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MC, you are amazing, no wonder i named my theory after you
E=mc^2
>.>
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