A correction was made to this story. Read below for details. A start-up touting technology developed by NASA's Jet Propulsion Laboratory plans to announce a breakthrough on Tuesday that could make ...

The reactivity series of metals is a chart listing metals in order of decreasing reactivity. In general, the more reactive a metal is: This table summarises the reactions of some metals in the ...

Start-up Ecotality taps NASA technology for a system that can feed a vehicle's fuel cell on-demand. Images: Hydratus at work In a software-driven world, it's easy to forget about the nuts and bolts.