GRENOBLE, France--(BUSINESS WIRE)--Dry ice, frozen carbon dioxide (CO2), maintains the Covid-19 vaccines at very low temperatures. As dry ice warms and changes from a frozen to a gaseous state, it ...
WEST LAFAYETTE, Ind. – Walk in a room, the light goes on. Most people are familiar with the motion sensors that detect activity and then turn on the lights. Purdue University researchers are turning ...
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