Jacob Aron, reporter
(Image: James Ewing)
Cosmologist Carl Sagan is fondly remembered for his awe-inspiring descriptions of the vastness of space. Now artist Leo Villareal has created an installation that honours Sagan's memory with a dazzling light show reminiscent of his visions of the universe.
Cosmos, installed above the Johnson Museum of Art at Cornell University in Ithaca, New York, is powered by nearly 12,000 LEDs hooked up to a computer. Villareal's software generates random patterns that mimic stars, galaxies and other thought-provoking objects, making the work different every time you look at it. "It's almost like a musical instrument that you have to tune and get just right," said Villareal. "It's a process of discovery, because I don't know in advance what it's going to be."
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