Geothermal Energy in the Military

CONTROL CABINThese valves and gauges are part of the engine controls on Mallard, the world’s fastest steam-powered locomotive, with a top speed of 202.7 kilometers per hour (126 miles per hour). Built in 1938 by the London and North Eastern Railway, it operated until 1963 and is now on display at the National Railway Museum, in York." src="http://spectrum.ieee.org/image/59209"/>This summer, David Mindell, a professor of the history of engineering at MIT, traveled to England to lead a tour of Victorian technology--a journey into the fantastical world of Watt, Babbage, Brunel, and other 19th-century hackers