Scientists theorize properties of fleeting astatine

Astatine is among the world's rarest elements – with a maximum half-life of just eight hours, found in tiny amounts in natural radioactive decay chains, but also produced by bombarding bismuth with energetic atomic particles. ...

Your emails are all scanned—and that's what you agreed to

According to Nobel Laureate Gabriel García Márquez, "all human beings have three lives: public, private, and secret". It is in our nature to want privacy, yet in the internet age, it has never been easier to access the ...

Detection of single photons via quantum entanglement

Almost 200 years ago, Bavarian physicist Joseph von Fraunhofer discovered dark lines in the sun's spectrum. It was later discovered that these spectral lines can be used to infer the chemical composition and temperature of ...

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