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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.

09/01/06

Particle pocket card

In the early 1950s, Nobel-Laureates-to-be Norman Ramsey and Ed Purcell created cards of physical constants they found themselves using most frequently.

09/01/06

Particle Data Book

This year, the Particle Data Group celebrates its 50th anniversary with a release of a 1230-page edition of the Review of Particle Physics.

09/01/06

Making science "K'nex"tions

Stanford Linear Accelerator Center librarian Lesley Wolf needed a creative idea for the next library display. Ten-year-old Connor Reed had lots of free time this summer and an extensive set of K'nex, the flexible equivalent of Lego.

09/01/06

The rise and fall of the pentaquark

Although initial results were encouraging, physicists searching for an exotic five-quark particle now think it probably doesn't exist. The debate over the pentaquark search shows how science moves forward.

09/01/06

Shop-vacs to the rescue

In creating neutrinos for the MINOS experiment at Fermilab, the NuMI focusing horn delivers batches of protons using intense magnetic fields generated by 200,000-ampere pulses of electric current.

09/01/06

Packing it in

Globe-traveling physicists put some of their best thinking into strategies for their bags–all carry-ons, of course.

09/01/06

E=mc($$$)

With his genius and his unmistakable appearance, Albert Einstein is an icon of both science and culture. Since his passing Einstein has inspired films, books, and even an opera, Einstein on the Beach. Not surprisingly, his popularity pays off handsomely.

09/01/06

Robert Straight: Toroids and plaids

Pick a number: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113 …and so on and on… and on…and on…. Get the picture?