Science & Tech

Additive manufacturing: 3D printers and much more

In today’s manufacturing world, 3D printers (3DP) bring a lot of buzz to product announcements, trade shows and Kickstarter challenges. Ditto for the tech geek space. But the breathless push for a 3D printer in every home, like the 70s quest for a computer on every desk, may detract from the real industrial revolution in …

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Turning Trash into Electricity

Recently I had the opportunity to tour the Covanta “waste-to-energy” facility in Montgomery County, Md., where I saw first-hand how one county’s trash is converted to electrical power, economically and practically pollution-free. Montgomery County’s 1,800 tons of garbage per day are collected at a transfer station and shipped to the Resource Recovery Facility (RRF) in …

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