Making fuel out of sewage

It may sound like science fiction, but wastewater treatment plants may one day turn ordinary sewage into biocrude oil, thanks to new research at the Department of Energy’s Pacific Northwest National
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What will 2017 mean for 3D printing with metals?

Metal additive manufacturing is on the march, but despite growing interest, technologies remain slow, expensive, and limited in what they can produce. Brent Balinski spoke to Carnegie Mellon University Professor Jack Beuth about what’s being done to change this, and what to expect from 2017.
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Robots and the real world

All over the world, ageing populations and changing attitudes are making it harder to hold on to workers, believes Dr Rodney Brooks. Brent Balinski spoke to Brooks, founder of Rethink Robotics, about some demographic and technology shifts to watch out for and why it’s best to be realistic.
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