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Nature 423, 675 (12 June 2003) | doi:10.1038/423675a

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Car-safety lobby on collision course with researchers

Tony Reichhardt

After years of fighting off interference from radio transmitters and broadcast satellites, astronomers are worried that an emerging technology — collision-avoidance radar for cars — could pose the biggest threat yet to some of their observations.The astronomers' concerns are this time shared by Earth scientists, who say that the radars could mess up their observation of the atmosphere from satellites.