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IceCube telescope: Extreme science meets extreme electronics

Junko Yoshida
EE Times

MADISON, Wis. — The world’s largest telescope, currently under construction more than a mile beneath the Antarctic ice, is on schedule to be completed next year, according to a researcher at the University of Wisconsin, the lead institution for a scientific project called IceCube.

Ninety-five percent of the IceCube telescope, consisting of thousands of digital optical modules developed for scientists working to understand the universe, is already installed and operating at the South Pole, said Albrecht Karle, a physics professor at the University of Wisconsin-Madison in an interview with EE Times.

The IceCube telescope is no ordinary apparatus. With a volume of one cubic kilometer, the instrument is pointed not to the sky, but downward towards the center of the Earth, buried beneath tons of ice in the coldest spot in the world. No one will ever “look through” this telescope. Instead, it will convey its findings through vast arrays of digital sensors.

Scientists backed by the National Science Foundation are looking for very small, very elusive particles called neutrinos that can tell scientists much more about the universe than photons or charged particles.

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