Elon Musk's Hyperloop hype ignores practical problems

You've got to hand it to Elon Musk - he certainly dreams big. The entrepreneur loves to take on tough technical challenges and turn them into business opportunities. He revolutionized online payment services with PayPal, ...

Team observes real-time charging of a lithium-air battery

One of the most promising new kinds of battery to power electric cars is called a lithium-air battery, which could store up to four times as much energy per pound as today's best lithium-ion batteries. But progress has been ...

New technique creates stronger, lightweight magnesium alloys

Researchers from North Carolina State University have developed a new technique for creating stronger, lightweight magnesium alloys that have potential structural applications in the automobile and aerospace industries.

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