Jul 4, 2019

Scientists combine light and matter to make particles with new behaviors

Posted by in categories: particle physics, space

Every type of atom in the universe has a unique fingerprint: It only absorbs or emits light at the particular energies that match the allowed orbits of its electrons. That fingerprint enables scientists to identify an atom wherever it is found. A hydrogen atom in outer space absorbs light at the same energies as one on Earth.

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