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Particles and fields

Physicists show how switching positive and negative charges in graphene could make the first quantum time mirror.

Charles Q. Choi, Contributor

An app based on a flight-based study could let frequent fliers who travel near the North Pole track their radiation exposure.

Emilie Lorditch, Staff Writer

After top dark matter candidate fizzles out, physicists look to more exotic realms.

Ramin Skibba, Contributor

New form of matter fills in a decades-old gap in theoretical physics.

Michael Greshko, Contributor

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