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A comment on Japanese company develops a solar cell with record-breaking efficiency. Parent comment

Re:Japanese company develops a solar cell with record-breaki... by Normal_gaussian on Thursday March 23, 2017 @09:54AM (#13939707)
> why is it such a nice round integer?

Significant Figures [1]

[1] http://www.bbc.co.uk/schools/gcsebitesize/maths/number/round...

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