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11/01/06

Quark Park

There's a new scientific path in Princeton, New Jersey. Out of the loam of a vacant lot, a cluster of quasicrystals winks at some pink plasma. Tectonic plates shift, and neurons connect in a hippocampus curve of bamboo.

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

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

Zoo events

When physicists at Fermilab smash particles together, most of what comes out of the collisions is well understood. But every once in awhile strange things appear in the data—incidents popularly known as zoo events.

09/01/06

The pentaquark rush

In 2003, results published by three experimental collaborations initiated a flood of papers about a class of particles known as pentaquarks.

09/01/06

New life for a linac

How the Stanford Linear Accelerator Center is transforming the world's longest linear accelerator into a novel X-ray laser.

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.