Visualizing the proton through animation and film

Try to picture a proton—the minute, positively charged particle within an atomic nucleus—and you may imagine a familiar, textbook diagram: a bundle of billiard balls representing quarks and gluons. From the solid sphere ...

Scientists and public disagree, but let's not get too excited

A new set of surveys of scientists and the public finds the two groups have widely different views about scientific issues. Conducted by the Pew Research Center in collaboration with the American Association for the Advancement ...

Ulysses space mission to end

After 18.6 years in space and defying several earlier expectations of its demise, the joint ESA/NASA solar orbiter Ulysses will achieve 'end of mission' on 30 June 2009. The final communication pass with a ground station ...

Fundamental algorithm gets first improvement in 10 years

The maximum-flow problem, or max flow, is one of the most basic problems in computer science: First solved during preparations for the Berlin airlift, it’s a component of many logistical problems and a staple of introductory ...

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