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Explain it in 60 Seconds: Lattice QCD

07/25/24
Sarah Charley

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

05/01/07

Those pesky humans

Lead bricks and radiation gloves normally indicate a need to protect lab workers from radioactivity. For a laboratory at the University of Alabama in Tuscaloosa, however, the opposite is true.

05/01/07

The search for dark energy

What is this stuff that fills the vacuum of space, accelerates the expansion of the universe, and accounts for 70 percent of everything? More than two dozen experiments aim to find out.

05/01/07

Farmers' picnic

Just inside the site boundary, secluded from most of Fermilab, sits Leonard Baumann's rickety red barn. Baumann, like 55 other farmers, relocated 40 years ago to make way for the construction of Fermilab.

05/01/07

The great string debate

Inside, the auditorium at the National Museum of Natural History in Washington, DC, was packed and humming in anticipation. Outside, a man waved a sign at stragglers hurrying for the door: "Need One Ticket for String Theory Debate."

05/01/07

A tale of dark energy

In the 1990s, astronomical observations revealed that the expansion of the universe is accelerating. Not knowing what causes this acceleration, scientists began to attribute the phenomenon to some unknown source of energy, coined "dark energy" by astrophysicist Michael Turner.

05/01/07

When the new neighbor's a giant

Mike Herlihy is active in the village of North Aurora, near Fermi National Accelerator Laboratory and west of Chicago. He’s been a village trustee for six years, belongs to the Lions Club and served on an advisory committee to evaluate a proposed freeway.

An illustration of twisting ropes
05/01/07

String theory

According to string theory, matter is made up of strings.

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