(Nanowerk News) Everyone knows it from their childhood days in the sandpit: sand is filtered using a sieve. Larger stones get stuck, while fine sand can fall through the sieve. The same principle is ...
WASHINGTON, D.C., October 17, 2017 -- Physicists from École Normale Supérieure and Paris Science and Letters University in France have proven theoretically that active sieving, as opposed to its ...
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