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The Vacuum Tube’s Forgotten Rival

Cars That Think

An old-fashioned triode vacuum tube does that using a voltage applied to its grid electrode. Naval Ordnance Laboratory , in Maryland, had figured out how to manufacture this alloy, which was soon marketed by an outfit called Arnold Engineering Co. As late as 1957, more than 400 engineers attended a conference on magnetic amplifiers.

Wind 144
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US DOT Awards $100M in Recovery Act Funds to 43 Transit Projects to Reduce Energy Consumption and Greenhouse Gas Emissions

Green Car Congress

Laredo Bus Facility Solar Canopies: Provide shade structures with integrated, grid tied photovoltaic cells to be erected on the bus storage lot at the Laredo Bus Maintenance Facility. Maryland Transit Administration, Maryland: $522,000. PV canopies will produce power and reduce temperatures underneath canopies.

Emissions 256
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IEEE Celebrates Engineering Brilliance

Cars That Think

HAGIT MESSER-YARON Tel Aviv University “For contributions to sensing of the environment using wireless communication networks.” ALEXANDER BARG University of Maryland College Park “For contributions to the theory of error-correcting codes and their applications in distributed storage, non-volatile memory, and digital fingerprinting.”

Engine 77