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Particle physics

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Quark Quartet Fuels Quantum Feud

August 27, 2014

Newly discovered particles are forcing physicists to extend their simple picture of subatomic interactions or replace it with a more nuanced understanding.

At Multiverse Impasse, a New Theory of Scale

August 18, 2014

Physicists have begun to explore the idea that mass and length may not be fundamental properties of nature. The hypothesis could help to avoid the conclusion that our world is just a weird bubble in an endlessly foaming multiverse.

Fluid Tests Hint at Concrete Quantum Reality

June 24, 2014

Surprising oil drop experiments suggest that the quantum world may not be as strange as advertised.

Physicists Prove Surprising Rule of Threes

May 27, 2014

Three groups of experimentalists have independently observed a strange state of matter that forms from three particles of any type and at any scale, from practically infinitesimal to infinite.

Betting on the Future of Quantum Gravity

March 14, 2014

New calculations suggest physicists may someday discover a fundamental theory of gravity, but it could require a radical new perspective on the universe.

Case for Dark Matter Signal Strengthens

March 3, 2014

A new analysis strengthens the case that gamma rays emanating from the center of the Milky Way come from dark matter particles known as WIMPs.

Search Escalates for Key to Why Matter Exists

October 15, 2013

Physicists have completed a new round of searches for the answer to why matter dominates over antimatter. But the radioactive decay that would solve the puzzle is evading them.

A Digital Copy of the Universe, Encrypted

October 2, 2013

As physics prepares for ambitious projects like the Large Synoptic Survey Telescope, the field is seeking new methods of data-driven discovery.

A Jewel at the Heart of Quantum Physics

September 17, 2013

Physicists have discovered a jewel-shaped geometric object that challenges the notion that space and time are fundamental constituents of nature.

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