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Topic: NASA’s Lunar Atmosphere Dust and Environment Explorer

NASA reports new studies looks at the “Love” between Particles

 

Written by Elizabeth Landau
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – Here’s a love story at the smallest scales imaginable: particles of light. It is possible to have particles that are so intimately linked that a change to one affects the other, even when they are separated at a distance.

This idea, called “entanglement,” is part of the branch of physics called quantum mechanics, a description of the way the world works at the level of atoms and particles that are even smaller. Quantum mechanics says that at these very tiny scales, some properties of particles are based entirely on probability. In other words, nothing is certain until it happens.

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. (NASA/JPL-Caltech)

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. (NASA/JPL-Caltech)

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