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Unforgeable quantum money can be stored in an ultracold ‘debit card’

Using the quantum states of particles of light as currency could make for unforgeable transactions, and a new experiment has added a way to save some of that quantum money for future use, too

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« VIPER lives! Jeff Bezos' Blue Origin will land ice-hunting NASA rover on the moon in 2027

Right-wing extremist violence is more frequent and more deadly than left-wing violence − most domestic terrorists in the U.S. are politically on the right, and right-wing attacks account for the vast majority of fatalities from domestic terrorism. »