How to prevent 3-D printing hacks? Install secret flaws and share the decoder ring

How to prevent 3-D printing hacks? Install secret flaws and share the decoder ring
Posted: May 24, 2017 (Nanowerk News) Additive manufacturing (AM), also called 3D printing, is growing fast. Worldwide, the AM market grew nearly 26 percent to more than $5 billion last year, versus 2015, and another 17.4 percent this year versus last. The rapid prototyping market alone is expected to reach $5 billion by 2020. But since the global supply chain for AM requires companies to share computer aided design (CAD) files within the organization o…
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A leap for 3-D printing

A leap for 3-D printing
Posted: May 22, 2017 (Nanowerk News) When the Space Shuttle hit the Earth’s atmosphere on its return trip from the cosmos, it was traveling at 17,000 miles per hour— 25 times the speed of sound. Were it not for the protection of the ceramic tiles that acted as heat shields, the entire spacecraft would have burned to nothing. Talk about extreme conditions. And those are exactly the kinds of the conditions UC Santa Barbara scientist Tresa…
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3-D printed ovaries produce healthy offspring

3-D printed ovaries produce healthy offspring
Posted: May 16, 2017 (Nanowerk News) The brave new world of 3-D printed organs now includes implanted ovary structures that, true to their design, actually ovulate, according to a study by Northwestern University Feinberg School of Medicine and McCormick School of Engineering. By removing a female mouse’s ovary and replacing it with a bioprosthetic ovary, the mouse was able to not only ovulate but also give birth to healthy pups. The moms were even abl…
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New 3D-printing method promises vastly superior medical implants for millions (w/video)

New 3D-printing method promises vastly superior medical implants for millions (w/video)
Posted: May 11, 2017 (Nanowerk News) For the millions of people every year who have or need medical devices implanted, a new advancement in 3D printing technology developed at the University of Florida promises significantly quicker implantation of devices that are stronger, less expensive, more flexible and more comfortable than anything currently available. In a paper published today in the journal Science Advances ("Self-assembled micro-organogels f…
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3D-printed 'bionic skin' could give robots the sense of touch (w/video)

3D-printed
Posted: May 10, 2017 (Nanowerk News) Engineering researchers at the University of Minnesota have developed a revolutionary process for 3D printing stretchable electronic sensory devices that could give robots the ability to feel their environment. The discovery is also a major step forward in printing electronics on real human skin. The research will be published in the next issue of Advanced Materials ("3D Printed Stretchable Tactile Sensors") and is …
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Success in the 3D bioprinting of cartilage

Success in the 3D bioprinting of cartilage
Posted: Apr 28, 2017 (Nanowerk News) A team of researchers at Sahlgrenska Academy has managed to generate cartilage tissue by printing stem cells using a 3D-bioprinter. The fact that the stem cells survived being printed in this manner is a success in itself. In addition, the research team was able to influence the cells to multiply and differentiate to form chondrocytes (cartilage cells) in the printed structure. The findings have been published in Na…
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3D-printed houses (w/video)

3D-printed houses (w/video)
Posted: Apr 27, 2017 (Nanowerk News) The list of materials that can be produced by 3-D printing has grown to include not just plastics but also metal, glass, and even food. Now, MIT researchers are expanding the list further, with the design of a system that can 3-D print the basic structure of an entire building. Structures built with this system could be produced faster and less expensively than traditional construction methods allow, the researchers…
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3D-Printing of glass now possible

3D-Printing of glass now possible
Posted: Apr 21, 2017 (Nanowerk News) Three-dimensional printing allows extremely small and complex structures to be made even in small series. A method developed at the KIT for the first time allows also glass to be used for this technique. As a consequence of the properties of glass, such as transparency, thermal stability and resistance to acids, the use of this material in 3D-printing opens up manifold new applications in production and research, s…
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3-D-printable implants may ease damaged knees

3-D-printable implants may ease damaged knees
Posted: Apr 19, 2017 (Nanowerk News) A cartilage-mimicking material created by researchers at Duke University may one day allow surgeons to 3-D print replacement knee parts that are custom-shaped to each patient's anatomy. Human knees come with a pair of built-in shock absorbers called the menisci. These ear-shaped hunks of cartilage, nestled between the thigh and shin bones, cushion every step we take. But a lifetime of wear-and-tear -- or a single wr…
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New method for 3D printing extraterrestrial materials

New method for 3D printing extraterrestrial materials
Posted: Apr 12, 2017 (Nanowerk News) When humans begin to colonize the moon and Mars, they will need to be able to make everything from small tools to large buildings using the limited surrounding resources. Northwestern Engineering’s Ramille Shah and her Tissue Engineering and Additive Manufacturing (TEAM) Laboratory have demonstrated the ability to 3D-print structures with simulants of Martian and lunar dust. This work uses an extension of their “3D-…
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