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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