world amp 39 s largest tunneling machines

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Introduction to Supercomputers - History of computing

Introduction. We've all heard of supercomputers. But when you think of a supercomputer, you usually think of HAL2000 and other science fiction stuff.

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Elon Musk: The future we're building -- and boring | TED Talk ...

TED Talk Subtitles and Transcript: Elon Musk discusses his new project digging tunnels under LA, the latest from Tesla and SpaceX and his motivation for building a future on Mars in conversation with TED's Head Curator, Chris Anderson.

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The World's Largest Tunnel-Boring Machine Must Be Saved

Now what? What do you do when the world's largest tunneling machine is, essentially, stuck in the mud?Bertha is 60 feet under the earth, and you're on the surface watching a squirmy public swap rumors of cost and delay on the $1.35 billion tunnel component of an even larger transportation project, and the naysayers are howling: Just you watch ...

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attocube | attoCOMPANY

attocube's central mission is to deliver uniquely precise, elegant, and reliable products, thus solving the emerging challenges in worldwide nanotechnology applications.

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Alaskan Way Viaduct - Tunneling

The SR 99 Alaskan Way Viaduct, an elevated concrete structure built in the 1950s and vulnerable to earthquakes, is being replaced with a 1.7-mile tunnel running beneath downtown Seattle.

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Tunneling and Underground Space Technology | Terratec

Our success is based on over 20 years of tunneling experience along with our experienced engineers as well as our underground space technology.

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Automated teller machine - Wikipedia

An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, transfer funds, or obtaining account information, at any time and without the need for direct interaction with bank staff.

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Computing at Columbia Timeline

1924-26: The Columbia University Statistical Laboratory (location unknown) includes Hollerith tabulating, punching, and sorting machines, Burroughs adding machines, Brunsviga and Millionaire calculators (the latter was the first device to perform direct multiplication), plus reference works such as math and statistical tables.

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Elon Musk tweets photo of his giant tunnel boring machine ...

Elon Musk posted the photo with the caption 'Minecraft'. When Musk first announced his plans to bore a tunnel to his SpaceX offices in Los Angeles in December it appeared he was joking.

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10 of the Largest and Strangest Machines in the World ...

While our technical instruments and communication devices keep getting smaller, our machines just keep getting bigger. There is now aircraft large enough to allow other aircraft to piggyback a ride, ships that pile on other ships as cargo, and bulldozers that need more than one operator in the driver's seat.

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The World's Largest EPB Shield Tunneling Machine | Hitachi ...

A naming competition for the world's largest shield tunneling machine was organized by the Washington State Department of Transportation (WSDOT).

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History|Company Info|Komatsu Ltd.

History. This page shows its company profile, history, an officer, organizational chart, an establishment, group companies.

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The History Place - This Month in History: October

5 10 15 20 25. October 1. October 1, 1908 - Henry Ford's Model T, a "universal car" designed for the masses, went on sale for the first time.

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NYC DEP Announces the Start of Tunneling for $1 Billion ...

The New York City Department of Environmental Protection (DEP) today was joined by federal, state and local representatives, honored guests, and dozens of construction workers to mark the start of tunneling for the Delaware Aqueduct Bypass Tunnel—the largest repair project in the 175-year history ...

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RETC 2017 Sets Sights on San Diego - Home - Tunnel Business ...

The Rapid Excavation and Tunneling Conference (RETC) – North America's largest tunneling event in 2015 – is heading back to San Diego June 4-7.

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Tunnelbuilder - Official Site is the leading marketing resource for the world's tunnelling industry providing the latest project news on the world's tunnels

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The World's 25 Most Impressive Megaprojects

The World's 25 Most Impressive Megaprojects. The biggest and boldest projects on the planet.

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Tunnel - Wikipedia

Much of the early technology of tunneling evolved from mining and military engineering.The etymology of the terms "mining" (for mineral extraction or for siege attacks), "military engineering", and "civil engineering" reveals these deep historic connections.

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Glossary. Abutment - the outermost end supports on a bridge, which carry the load from the deck. Aluminum - a lightweight chemical element (Al); the most abundant metallic element in the Earth's crust

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Home - Bothar Group of Companies

About The Bothar Group of Companies. Bothar Group of Companies ("Group") is an international contractor with over 25 years of cutting edge experience, and comprises of three separate organisations; Bothar Boring, Coleman Microtunnelling and Bothar International.

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