Revolutionary power: Direct current in buildings

Siemens, working together with European partners, is studying if and how direct current (DC) could be used inside buildings in addition to the usual alternating current (AC). This addition could save energy when used in certain ...

Cool roofs in China can save energy and reduce emissions

(Phys.org) —Working with Chinese researchers, the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has conducted the first comprehensive study of cool roofs in China and concluded that they would ...

NASA's colossal crawler gets souped-up for SLS

One of NASA's two iconic crawler-transporters—the 2,750-ton monster vehicles that have delivered rockets from Saturns to Shuttles to launch pads at Kennedy Space Center for nearly half a century—is getting an upgrade ...

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