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Grade 77 grade science

by whom was nano second discoverd i am unable to answer that

Profile image of Francis Reddy
8 Years agoGrade 7
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2 Answers

Profile image of Mahima Kanawat
8 Years ago
Dear student ...Nanosecond was first invented by Albert Einstein, when he was working on his Theory of Relatives...With Regards ...Mahima (Askiitians Forum Expert )
Profile image of Ayan
7 Years ago
Nanosecond was Discoovered by Grace Brewster Murray Hoppe whowas an American compute scientist and United States Navy Rear Admiral.

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