You don’t even need a flashlight to look for cave paintings in the dark: you just need the sound of your own voice. By listening to echoes as they walk through Spanish caves, acoustic archaeologists are unlocking the secrets of underground soundscapes.
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What do you do with a bomb shelter when you’re no longer getting Blitzed by the Nazis? For decades, Londoners have searched for ways to make use of old bomb shelters lurking deep underground. They’ve become data centers, dusty storage rooms, and, now, the first underground urban farm—thanks to a couple of foodie entrepreneurs and a Michelin-star chef.
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To grow mushrooms is to let things rot, so something’s a lot of things are rotten in the state of Pennsylvania.
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The very fact that underground robots being used to patrol the U.S./Mexico border—a program now moving into its second decade—can be greeted with what amounts to a disinterested shrug is a good indication of how sci-fi our everyday lives have gotten. There are underground robots patrolling the edge of the country.
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Now that we know it was an eight-inch steel pipe that brought the world’s largest-diameter tunneling machine to a halt
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Ever since the colossal machine tunneling under Seattle, nicknamed Bertha, was stopped in its tracks, there’s been a frenzied speculation about what mysterious "object" could possibly block such a powerful machine. The answer is, at least partially, a steel pipe.
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As Mexico City archaeologists sort through the surreal array of Aztec sacrificial skulls recently uncovered while excavating their city’s subway system
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Bertha, the world’s largest tunneling machine, churning through the rock and mud beneath Seattle, has hit a mysterious roadblock—so mysterious, it is only known for now as "the object."
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Bertha, the world’s largest tunneling machine, churning through the rock and mud beneath Seattle, has hit a mysterious roadblock—so mysterious, it is only known for now as "the object."
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The Fulton Street Transit Center currently being built in the Financial District of Manhattan is shaping up to be not only the biggest place to catch a train in the five boroughs, but also the coolest. Where normally you’d expect the MTA to build tunnels through the ground, at Fulton Street they’ve assembled one to the sky. The MTA released a time-lapse video and a new set of photos that show a massive net lined with reflectors being installed inside the $1.4 billion dollar hub.
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