New laser provides ultra-precise tool for scientists probing the secrets of the universe

Monday, September 12, 2016 - 10:51 in Physics & Chemistry

Researchers have developed a new laser that makes it possible to measure electron transition energies in small atoms and molecules with unprecedented precision. The instrument will help scientists test one of the bedrock theories of modern physics to new limits, and may help resolve an unexplained discrepancy in measurements of the size of the proton.

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