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April 30, 2014 03:08 am -04

New York City is cleaning its ancient Egyptian monument with lasers

A 69-foot, 3,500-year old granite obelisk has stood in New York City's Central Park for 130 years, and it's never, ever, been cleaned. The ancient pillar is deceptively fragile, and conservationists have been hesitant simply to hose it down. The...

Original Link: http://www.engadget.com/2014/04/29/new-york-city-is-cleaning-its-ancient-monument-with-lasers/?ncid=rss_truncated

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Engadget

Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics. Engadget was launched in March of 2004 in partnership with the Weblogs, Inc. Network (WI

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