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Explain it in 60 Seconds: Lattice QCD

07/25/24

Lattice gauge theory, or lattice QCD, is a calculation method that helps scientists make predictions about the behavior of quarks at low energies.

05/01/09

Standard Model discoveries

Sixteen elementary types of particles form the basis for the theoretical framework known as the Standard Model of fundamental particles and forces. J.J.

03/01/09

Violating parity

This doodle pad was used by Columbia University researcher Tsung-Dao (T.D.) Lee during talks with Chen Ning (Frank) Yang, while they were visiting scientists at Brookhaven National Laboratory in the summer of 1956.

03/01/09

Neutralino

Whereas matter on Earth and in stars is made of atoms and nuclei, scientists know that dark matter must be made of something else. Neutralinos are a prime candidate.

03/01/09

Cosmic rays spray art across a lawn

Bluish lights flash on a grassy field, like giant fireflies angling for mates—sometimes a single flash, sometimes a ripple of light moving fast, as if suitors have given chase. Then all 16 lights flash at once, and the whole field glows.

03/01/09

Probing the heart of the atom

The familiar elements of the Periodic Table come in a number of forms, or isotopes—some found only fleetingly in the most violent events, such as exploding stars.

03/01/09

Chuckling their way to a safer lab

There are many ways to deliver a clever play on words: deliberately with a nudge, coyly with a wink, or tossed nonchalantly into a conversation to trigger a delayed laugh—or a groan.

03/01/09

Cosmic weather gauges

Particle physics joins forces with other fields to look at two important factors shaping weather: temperatures high in the atmosphere and the dampness of the dirt beneath our feet.