Wednesday, June 23, 2021

Sneeze cam reveals best fabric combos for cloth masks

Researchers have used high-speed videos of a person sneezing to identify the optimal cloth mask design.

from Top Health News -- ScienceDaily https://ift.tt/3gXhRVZ
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The Solar System chose fire over ice from the very beginning

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called ...