Video: Chemistry of tattoos

If you don't have a tattoo, you probably at least know someone who does—but what's the chemistry behind tattoos?

date13 hours ago in Other
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Lobster-Eye imager detects soft X-ray emissions

Solar winds are known for powering dangerous space weather events near Earth, which, in turn, endangers space assets. So a large interdisciplinary group of researchers, led by the U.S. National Aeronautics and Space Administration ...

date14 hours ago in General Physics
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