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Contact: Robert Sanders
University of California - Berkeley

Do Hydrogen and Antihydrogen Weigh the Same

Caption: UC Berkeley/LBNL physicists asked the question, does normal hydrogen (left, with a negatively charged electron orbiting a positively charged proton) weigh the same as antihydrogen (a positively charged positron orbiting a negatively charged antiproton)?

Credit: Image by Chukman So, UC Berkeley.

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Related news release: Is antimatter anti-gravity?

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