Laser-Scanning Hundreds of Artificial Caves Beneath Nottingham

There are more than 450 artificial caves excavated from sandstone beneath the streets and buildings of Nottingham, England—including, legendarily, the old dungeon that once held Robin Hood. Not all of these caves are known even today, let alone mapped or studied.

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In An Artificial Cave 200' Beneath Central Park with Michael Bloomberg

At 5pm today, the complete Manhattan section of City Water Tunnel No. 3 became operational, sending drinking water through this colossal piece of subterranean infrastructure—under construction since 1970—for the very first time.

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The Artificial Islands That Would Have Let Us Leapfrog the Atlantic

At the dawn of long-distance air travel only the very brave dared to cross something as vast as the Atlantic Ocean. If crisscrossing the globe by air was going to come to the masses, some people believed it would have to be helped along by some new innovations—like these artificial islands of the future, courtesy of 1927.

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Just How Smart Is Artificial Intelligence?

Artificial Intelligence is the Holy Grail of computer science—and, for that matter, science fiction. But just how far have we come?

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