Additive manufacturing processes such as 3D printing use time-consuming, stepwise layer-by-layer approaches to object fabrication. We demonstrate the continuous generation of monolithic polymeric parts up to tens of centimeters in size with feature resolution below 100 micrometers. Continuous liquid interface production is achieved with an oxygen-permeable window below the ultraviolet image projection plane, which creates a “dead zone” (persistent liquid interface) where photopolymerization is inhibited between the window and the polymerizing part. We delineate critical control parameters and show that complex solid parts can be drawn out of the resin at rates of hundreds of millimeters per hour. These print speeds allow parts to be produced in minutes instead of hours.
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Peer2Politics
135.8K views |
+0 today
on peer-to-peer dynamics in politics, the economy and organizations
Curated by
jean lievens
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3D printing technology has been progressing at a fairly steady pace for the past few years, but now, thanks to California-based startup Carbon3D, the technology is about to take a massive leap forward. 
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While not a low cost 3D scanner, the DOOBLICATOR is the world’s first mobile 3D scanner and that could have a significant impact on 3D printing.
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Recently, scientists at a Chinese university shed some light on how 3-D printed organs might function. Their miniature, 3-D printed kidneys comprise cells that can live for up to four months. The organs can carry out the same functions as human kidneys, like breaking down toxins, and researchers hope that (with, admittedly, many more years of research) they'll one day be a suitable replacement for human kidneys for patients in need of a transplant.
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Recent innovations in using microscopic 3D printed guides to manipulate light carrying data give the information highway a whole new concept of speed and efficiency. What more futuristic way could there be for information...
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A research group at the Institute for Advanced Architecture of Catalonia (iaac.net), based in Barcelona set on a goal of re-elaborating 3D printing techniques to overcome existing limitations for large scale application.
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Electric vehicles, 3-D printers, nanomaterials and theInternet of Things are all poised to reshape the world, just as the steam engine, telephone and car did before them. Although it’s hard to predict exactly what kind of impact these potentially disruptive technologies could have on today’s products and services, they are likely to be driven forward by small, innovative companies that have spotted a window of opportunity in an existing market and pried it open – a quality that marks out several of this year’s Ashden Award winners.
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Graphene is going to revolutionize the 21st Century. As a emerging material Graphene could change the way electronic components are made. Graphene is a two dimensional material consisting of a single layer of carbon atoms arranged in a honeycomb or chicken wire structure. It is the thinnest material known and according to mechanical engineering professor James Hone, of Columbia University, graphene is strongest material ever measured, some 200 times stronger than structural steel. Graphene conducts electricity as efficiently as copper and outperforms all other materials as a conductor of heat. Graphene is almost completely transparent, yet so dense that even the smallest atom helium cannot pass through it.
Laura Wiesner's curator insight,
November 4, 2013 2:42 PM
It is hard to think about what this will bring to the world, it could help and hurt In the exact same way. |
