Saturday, October 16, 2010

Modern Engineering Marvels

Joyous Swiss celebrate longest-tunnel breakthrough

Swiss officials hug each other after a giant drilling machine beneath the Swiss Alps completed the world's longest tunnel Friday
By The Associated Press and Deutsche Presse-Agentur
SEDRUN, Switzerland — Workers hugged, cheered and set off fireworks as a massive drilling machine dubbed "Sissi" broke through the last stretch of rock deep in the Swiss Alps. There was delight at the end of the tunnel — the world's longest — when it was completed Friday.

The $10 billion, 35.4-mile tube will connect Europe's high-speed-rail network and is part of a larger effort to cut in half the number of trucks — now 1.2 million — that thunder through the Alps each year.

The pride felt throughout Switzerland over digging the Gotthard Base Tunnel reflected the one cause that unites the country's wealthy city dwellers with those living in traditional villages: Protecting the beauty of the mountains.

"Together, we risked a lot," said Swiss Transport Minister Moritz Leuenberger. "Together, we achieved a lot."

TV stations across Europe showed the event live. The embraces and cheers by the hard-hatted workers brought to mind the successful rescue of 33 miners this week in Chile.
Read More: Joyous Swiss celebrate longest-tunnel breakthrough

Soaring Hoover Dam bypass bridge finally complete

A soaring bridge that will let drivers bypass Hoover Dam - and steer clear of its security checkpoints and gawking tourists - is set to open after nearly eight years and $240 million worth of work. Julie Jacobson AP Photo

Dawna Robertson, of San Diego, Calif., takes a photo of Hoover Dam and the newly completed by-pass bridge from a Black Canyon River Adventures commercial raft on the Colorado River Tuesday, Oct. 12, 2010, near Boulder City, Nev. The bridge will be dedicated on Thursday and open to the public Saturday.

By OSKAR GARCIA; Associated Press Writer
Published: 10/14/1012:20 pm
BOULDER CITY, Nevada. A soaring bridge that will let drivers bypass Hoover Dam - and steer clear of its security checkpoints and gawking tourists - is set to open after nearly eight years and $240 million worth of work.

The 1,900-foot engineering wonder perched 890 feet above the Colorado River is expected to drastically cut travel time along the main route between Las Vegas and Phoenix, as motorists will no longer have to make their way across the dam's winding two-lane road at a snail's pace.

"I know that the Hoover Dam is one of the wonders of the world," U.S. Transportation Secretary Ray LaHood said at a dedication ceremony Thursday. "I don't know who gives that designation, but I hope the bridge will become another wonder of the world."
Read more: Soaring Hoover Dam bypass bridge finally complete

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