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The descent to the brink of absolute zero has died

"It was here, in this' cooler atoms." This is where 15 years ago, we the lowest temperatures that have been generated so far "says physicist Wolfgang Ketterle, pointing a small black box wrapped in aluminum foil, surrounded by wires look like snakes in a jungle of high technology.

We are in his laboratory at the Massachusetts Institute of Technology, a small dark space could not be more full of high voltage cables, magnets, mirrors, vacuum generators, lasers and other strange devices that defy description.

These temperatures which are not spoken Ketterle -89 ° C to the South Pole. Even the -227 ° C on the surface of the moon.

Compared with the brutality of absolute zero, these are derisory sums , as distant as New York this is London ... "

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