COVID-19 Warning: Humid Air Can Extend Lifetime of Virus-Laden Aerosol Droplets
Scientists report a detailed model of aerosol transport through air, considering several environmental conditions, such as temperature, humidity and ambient flow. The novel coronavirus that causes COVID-19 is thought to spread through natural respiratory activities, such as breathing, talking, and coughing, but little is known about how the virus is transported through the air.
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Arctic sea ice melting faster than forecast
COPENHAGEN, DENMARK -- The Arctic sea ice is melting faster than climate models had predicted, researchers at the University of Copenhagen warned on Tuesday. Their findings, published in the journal Nature at the end of July, showed the unusually high temperatures currently being seen in the Arctic Ocean have only been observed during the previous ice age.
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Ctvnews
Army, Texas A&M develop 'Terminator'-style material that can 'heal itself'
U.S. Army and Texas A&M researchers have developed a material that they say can “heal autonomously. ” The research, which is still in the discovery phase, is published in the peer-reviewed journal Advanced Functional Materials. Army researchers, for example, are eyeing drones that can change shape in midflight.
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Foxnews
Latest SpaceX Starlink satellite launch sets another flight record
SpaceX sent another batch of Starlink broadband satellites on their way to orbit from Florida on Tuesday, along with a few Earth-observing metal birds, and made history once again in the process. That means its flight this week was its sixth, a new mark for a single orbital rocket. "
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Cnet
For The First Time, Physicists Have Controlled The Interaction of Time Crystals
The existence of time crystals - a particularly fascinating state of matter - was only confirmed a few short years ago, but physicists have already made a pretty major breakthrough: they have induced and observed an interaction between two time crystals.
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Sciencealert