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3D Printing

Hot Stuff: To Build More Affordable Rocket Engines, NASA Researchers Are Using The Latest 3D Printers — And 1 Ancient Metal

Scott Woolley
August 28, 2019

When Christopher Protz and Paul Gradl first started experimenting with building rocket engine components out of copper, the NASA engineers feared they might be wasting their time. Back in 2014, copper had never been used in 3D printing, and it appeared ill-suited to the technology. For one thing, particles of the shiny metal had a nasty habit of directly reflecting the 3D printers’ laser beams, partially melting the copper while frying some very expensive lasers. Early prototypes, recalls Protz, came out looking like “dark-colored blobs.”

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3D Printing

The Metal Head: How A High School Dropout Built A Pioneering 3D Printing Business

Yari Bovalino
Tomas Kellner
April 30, 2018
Frank Herzog was still in elementary school in the historic Bavarian city of Bamberg when he fell in love — with metals. So ardent was his passion that he later quit high school to pursue it. “I was young when I realized that I loved the material,” he says.
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3D Printing

Added Value: 3D Printing Program Helps Teachers Cultivate Next Generation Of Engineers

Dorothy Pomerantz
February 23, 2018
Two years ago, Bart Prorok, a professor of materials engineering at Auburn University in Alabama, decided his students needed to learn about additive manufacturing, also known as 3D printing, if they were going to be prepared for the jobs of tomorrow. But buying a commercial metal additive manufacturing machine was out of the question because of the price. Those machines can cost hundreds of thousands, even millions, of dollars apiece.
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3D Printing

Tour De Force: This Slovak Company Is 3D-Printing Bespoke Electric Mountain Bikes

Maggie Sieger
January 05, 2018
Patrik Paul loved riding his bike everywhere growing up in the Slovak capital Bratislava. He dreamed of the perfect mountain bike — one that exactly matched his center of gravity and perfectly gripped the track on curves. But such a bike simply wasn’t within his reach. The costs and technology for that level of customization would make it prohibitively expensive.
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3D Printing

An Epiphany Of Disruption: GE Additive Chief Explains How 3D Printing Will Upend Manufacturing

Tomas Kellner
November 13, 2017

Jet engines are large and complicated machines. But sometimes surprisingly small parts can make a big difference in how they work.
A decade ago, engineers at CFM International, a joint venture between GE Aviation and France’s Safran Aircraft Engines, started designing a new, fuel-efficient jet engine for single-aisle passenger planes — the aircraft industry’s biggest market and one of its most lucrative.

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3D Printing

Meet The Bespoke Toothbrush: An Everyday Ritual Brings 3D Printing Home

Amy Kover
November 02, 2017
Andrea Pasquali has 3D printed products as big as a working car engine and as small as a set of dentures.
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3D Printing

Laser Focus: Computer Vision and Machine Learning Are Speeding Up 3D Printing

Todd Alhart
October 19, 2017
Scientists working at GE labs in upstate New York have spent decades building computer vision systems that can study diseased tissue, and hunt for microscopic cracks in machine parts and other features often invisible to the naked eye. “Computer vision can be used to find things we either can’t see or may not know to look for,” says Joseph Vinciquerra, who runs the Additive Research Lab at GE Global Research in Niskayuna, New York.
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Bone Machine: 3D Printing Is Revolutionizing Plastic Surgery

Maggie Sieger
Yari Bovalino
August 03, 2017

At first glance, the line of cheerfully colored plastic skulls atop professor Laurent Lantieri’s bookshelf might be out-of-season Halloween decorations. But a closer look reveals something less than cheery: jagged holes, missing jaws and crumpled eye sockets. The skulls represent something very real — injuries that Lantieri has fixed.

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3D Printing

Laser Focus: See How One 3D-Printing Pioneer Is Heating Up Industry

Tomas Kellner
June 29, 2017
Frank Herzog is the founder and CEO of Concept Laser, a pioneering maker of 3D printing machines. Concept Laser’s printers can produce precise hip joint replacements and surgical tools as well entire engine blocks.
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3D Printing

Learning By Heart: 3D Printing Could Help Save Lives One Day

Yari Bovalino
Dorothy Pomerantz
June 27, 2017
As a cardiothoracic surgeon at the Royal Brompton Hospital in London, Richard Trimlett knows a few things about the heart. He and his colleagues in the U.K. perform 35,000 heart surgeries every year on average. Trimlett typically begins an open-heart surgery by stabilizing the heart with a suction device. But a minimally invasive procedure called keyhole heart surgery is even more delicate.
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