21st Century Plumbing
The NY Times has an interesting article which looks into the water tunnel that supplies water to most of New York City; <a href="http://www.nytimes.com/2002/03/12/science/12AQUE.html">21st-Century Plumbing for New York City's Leaky Old Water Tunnel
</a>. This engineering marvel of the industrial era is starting to show signs of age, notably with a few growing leaks which are becoming an important issue. The article looks at 21st century robotic technology -- as used in oil-rigs or deep sea exploration -- and how it can assist the reparation of this tunnel. A very interesting read.
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