Quantum entanglement is one seriously long-distance relationship.
. Perplexed, Einstein famously described this entanglement phenomenon as"spooky action at a distance."For more than 50 years, scientists around the world experimented with Bell's Theorem but were never able to fully test the theory. In 2015, however, three different research groups were able to perform substantive tests of Bell's Theorem, and all of them found support for the basic idea.
This cartoon helps explain the idea of entangled particles. Alice and Bob represent photon detectors, which NASA's Jet Propulsion Laboratory and the National Institute of Standards and Technology developed. One of those studies was led by Krister Shalm, a physicist with the National Institute of Standards and Technology in Boulder, Colorado. Shalm and his colleagues used special metal strips cooled to cryogenic temperatures, which makes them superconducting, meaning they have no electrical resistance. A photon hits the metal and turns it back into a normal electrical conductor for a split second, and scientists can see that happen.
Quantum entanglement experiments may help develop powerful quantum computers that could be used in deep space. In 2019, researchers from the University of Glasgow published theIn late 2021, an international group of researchers reported they had successfully subjected a tardigrade to . Despite critical reviews, the team said their experiment represents the first time a living animal was quantum entangled. it would be sending a quantum entanglement experiment to space. The experiment, called the Space Entanglement and Annealing Quantum Experiment, or SEAQUE, will test two quantum computers in the harsh environment of space.
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