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09/01/07

BaBar is a video star

Search for “BaBar” on YouTube.com, and you'll get a long list of links to a 1980s TV series based on an animated elephant. But a surprise is hidden among the cartoons—a six-minute film shot in the Stanford Linear Accelerator Center's BaBar control room.

09/01/07

The end of the HERA era

Laughter punctuates the excited conversations, a mix of German and English. Drinks are passed around and children dart among the legs of the hundred or so scientists gathered together for one last time. The sky’s blue is deepening: only 90 minutes until sunset.

09/01/07

Theory

Theories describe scientists’ understanding of observed phenomena.

09/01/07

A night of wonder

Men and women wearing gaudy dresses, looking for customers under garish neon signs—this is a common sight in Kabuki-cho, Shinjuku, a famous entertainment and red-light district in Tokyo, Japan.

09/01/07

The art of the unseen

As technology evolves, posters are getting easier to produce and pass around. But it still takes skill and imagination to illustrate the abstract ideas of physics.

08/01/07

Plutonium

Atomic element 94 was named “plutonium” after Pluto, the ninth planet from the Sun (now demoted to “minor planet” status.) By tradition, plutonium should have been assigned the symbol “Pl,” but co-discoverer Glenn Seaborg gave it the symbol “Pu” as

08/01/07

Dark energy

Dark energy, the weirdest and most abundant stuff in the universe, is causing the expansion of the universe to speed up.