COBE seeks universe's first blush

Article Abstract:

COBE, which has explored the universe's beginning by mapping the cosmic microwave radiation, is now exploring the emergence of stars and galaxies. By sorting the cosmic infrared background from the infrared of nearby stars, astronomers hope to glimpse stars too faint to be seen with telescopes.

Observations, Infrared astronomy, Cosmic Background Explorer (Artificial satellite)

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A gentle scheme for unleashing chaos

Article Abstract:

William Ditto, who in 1990 coaxed chaotic systems into periodicity, has now reversed the process. The method involves tiny calculated perturbations of a vibrating metal ribbon. The potential lies in keeping such systems as brain waves from becoming periodic, which can cause epileptic seizures.

Research, Chaos theory, Chaotic systems, Electrophysiology

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