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Science 2 January 2004:
Vol. 303. no. 5654, p. 27
DOI: 10.1126/science.303.5654.27b
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ScienceScope

Physicists will choose the basic technology for the innards of a proposed $6 billion, 30-kilometer-long particle smasher known as the linear collider. They must decide between two radically different designs for the "radio frequency cavities" that will push particles to immense energies. A German-led team is developing superconducting cavities; American and Japanese researchers are concentrating on more conventional copper ones. An international panel of 12 experts will recommend one design by year's end, says Maury Tigner, chair of the International Linear Collider Steering Committee. "It will be extremely difficult," Tigner says. But things will only get tougher: Physicists will then have to persuade politicians to fund the machine.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)