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The Lead

DNA “glue” could be used to build tissues, organs

January 14, 2015 10:23 am | by American Chemical Society | News | Comments

DNA molecules provide the "source code" for life in humans, plants, animals and some microbes. But now researchers report an initial study showing that the strands can also act as a glue to hold together 3-D-printed materials that could someday be used to grow tissues and organs in the laboratory.

Evaluating Measured Topographies on Surfaces Made by Additive Manufacturing

January 14, 2015 10:05 am | by Yuqi Zeng, Kaixi Wang, Brad C. Mello, Zhijie Wang and Christopher A. Brown, Surface Metrology Laboratory, Worcester Polytechnic Institute | Articles | Comments

In all manufacturing processes there are limits to the surface topographies that can be produced...

Poll: Americans support labeling genetically modified foods

January 13, 2015 9:36 am | by By Mary Clare Jalonick - Associated Press - Associated Press | News | Comments

A large majority of Americans support labeling of genetically modified foods, whether they care...

New algorithm a Christmas gift to 3-D printing

December 15, 2014 2:23 pm | by Carol Thorbes, Univ. Communications, Simon Fraser Univ. | News | Comments

Just in time for Christmas, Simon Fraser Univ. computing science professor Richard Zhang...

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Space station's 3-D printer pops out first creation

November 25, 2014 8:43 pm | by Marcia Dunn, Associated Press | News | Comments

The first 3-D printer in space has popped out its first creation. The 3-D printer delivered to the International Space Station two months ago made a sample part for itself this week. It churned out a faceplate for the print head casing.

Unleashing the Power of 3-D Printing: Designing for Additive Manufacturability

November 19, 2014 1:44 pm | by Bill Camuel, Project Engineering Manager, RedEye | Articles | Comments

Additive manufacturing, widely known as 3-D printing, offers many advantages over traditional manufacturing methods such as injection molding and machining, which limit a part’s geometry and size. By freeing manufacturers from these design constraints, additive manufacturing helps create complex parts that spark innovation and save companies time and money.

Efficient method developed to measure residual stress in 3-D printed parts

November 17, 2014 10:08 am | by Kenneth Ma, LLNL | News | Comments

Lawrence Livermore National Laboratory researchers have developed an efficient method to measure residual stress in metal parts produced by powder-bed fusion additive manufacturing. This 3-D printing process produces metal parts layer by layer using a high-energy laser beam to fuse metal powder particles.

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2015 R&D 100 Awards entries now open

November 13, 2014 11:27 am | by Lindsay Hock, Managing Editor | News | Comments

The editors of R&D Magazine have announced the opening of the 2015 R&D 100 Awards entry process. The R&D 100 Awards have a 50 plus year history of awarding the 100 most technologically significant products of the year. Past winners have included sophisticated testing equipment, innovative new materials, chemistry breakthroughs, biomedical products, consumer items, high-energy physics and more.

Outside-the-box thinker

November 3, 2014 7:42 am | by Julia, Sklar, MIT News Correspondent | News | Comments

When an aspiring mechanical engineer on a budget wants a top-of-the-line guitar, what does he do? He makes it himself, of course. At age 13, Nathan Spielberg—now a Massachusetts Institute of Technology senior—began building his first guitar, a process that consumed his attention for eight hours a day, every weekend, for 3 1/2 years.

NIST offers electronics industry two ways to snoop on self-organizing molecules

October 23, 2014 12:33 pm | News | Comments

A few short years ago, the idea of a practical manufacturing process based on getting molecules to organize themselves in useful nanoscale shapes seemed far-fetched. Recent work at NIST, Massachusetts Institute of Technology and IBM Almaden Research Center suggest this capability isn’t far off, however, by demonstrating self-assembly of thin films on a polymer template that creates precise rows just 10 nm wide.

New 3-D printing algorithms speed production, reduce waste

October 22, 2014 7:51 am | by Emil Venere, Purdue Univ. | News | Comments

New software algorithms have been shown to significantly reduce the time and material needed to produce objects with 3-D printers. Because the printers create objects layer-by-layer from the bottom up, this poses a challenge when printing overhanging or protruding features like a figure's outstretched arms. They must be formed using supporting structures—which are later removed—adding time and material to the process.

Starfish shell-mimicking crystals could advance 3-D printing pills

October 21, 2014 8:19 am | by Nicole Casal Moore, Univ. of Michigan | News | Comments

In a design that mimics a hard-to-duplicate texture of starfish shells, Univ. of Michigan engineers have made rounded crystals that have no facets. The team calls the crystals "nanolobes". The nanolobes' shape and the way they're made have promising applications. The geometry could potentially be useful to guide light in advanced LEDs, solar cells and non-reflective surfaces.

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Goldilocks principle wrong for particle assembly

October 20, 2014 9:32 am | by New York Univ. | News | Comments

Microscopic particles that bind under low temperatures will melt as temperatures rise to moderate levels, but re-connect under hotter conditions, a team of New York Univ. scientists has found. Their discovery points to new ways to create "smart materials," cutting-edge materials that adapt to their environment by taking new forms, and to sharpen the detail of 3-D printing.

Keeping an Eye on Quality

October 16, 2014 2:57 pm | by Olympus | Articles | Comments

A leader in the field of minimally invasive surgery device development operates state-of-the-art R&D and manufacturing facilities—facilities that depend on today’s most advanced quality assurance/quality testing procedures. To ensure all equipment leaving its production facilities meets the highest performance and reliability standards, the company relies on a QA/QC system made possible by industrial microscope and analyzer solutions.

Research reveals unique capabilities of 3-D printing

October 16, 2014 8:51 am | by Morgan McCorkle, Oak Ridge National Laboratory | News | Comments

Researchers at Oak Ridge National Laboratory have demonstrated an additive manufacturing method to control the structure and properties of metal components with precision unmatched by conventional manufacturing processes. The researchers demonstrated the method using an ARCAM electron beam melting system (EBM), in which successive layers of a metal powder are fused together by an electron beam into a 3-D product.

Electric vehicle technology packs more punch in smaller package

October 15, 2014 8:46 am | by Ron Walli, Oak Ridge National Laboratory Communications | News | Comments

Using 3-D printing and novel semiconductors, researchers at Oak Ridge National Laboratory have created a power inverter that could make electric vehicles lighter, more powerful and more efficient. At the core of this development is wide bandgap material made of silicon carbide with qualities superior to standard semiconductor materials.

Creating nanostructures using simple stamps

October 2, 2014 1:31 pm | News | Comments

Nanostructures of virtually any possible shape can now be made using a combination of techniques developed to exploit the unique properties of so-called perovskites. The group based in the Netherlands, developed a pulsed laser deposition technique to create patterns in ultra thin layers, one atomic layer at a time. The perovskites’ crystal structure is undamaged by this soft lithography technique, maintaining electrical conductivity.

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The Digital Lab for Manufacturing

September 18, 2014 2:32 pm | Events

In February 2014, President Obama called for a consortium of innovators to transform American industry through digital manufacturing. For this, the Digital Lab for Manufacturing was created. Learn how integrating design, development and manufacturing cuts costs.

Novel capability enables first test of real turbine engine conditions

September 17, 2014 7:46 am | by Tona Kunz, Argonne National Laboratory | News | Comments

Manufactures of turbine engines for airplanes, automobiles and electric generation plants could expedite the development of more durable, energy-efficient turbine blades thanks to a partnership between Argonne National Laboratory, the German Aerospace Center and the universities of Central Florida and Cleveland State. The ability to operate turbine blades at higher temperatures improves efficiency and reduces energy costs.

Want to print your own cell phone microscope for pennies?

September 16, 2014 8:01 am | by Susan Bauer, PNNL | Videos | Comments

At one o'clock in the morning, layers of warm plastic are deposited on the platform of the 3-D printer that sits on scientist Rebecca Erikson's desk. A small plastic housing, designed to fit over the end of a cell phone, begins to take shape. Pulling it from the printer, Erikson quickly pops in a tiny glass bead and checks the magnification.

Yale journal explores advances in sustainable manufacturing

August 27, 2014 8:33 am | News | Comments

Life cycle engineering connects the engineers who grapple with the efficiencies of production processes, machine design, and process chains with the industrial ecologists who develop more over-arching methods of environmental assessment. In a recent issue of the Journal of Industrial Ecology, experts explore the latest research on sustainable manufacturing and how life cycle engineering is being used to reduce environmental impact.

Researchers use 3-D printers to create custom medical implants

August 21, 2014 10:18 am | by Dave Guerin, Louisiana Tech Univ. | News | Comments

A team of researchers at Louisiana Tech Univ. has developed an innovative method for using affordable, consumer-grade 3-D printers and materials to fabricate custom medical implants that can contain antibacterial and chemotherapeutic compounds for targeted drug delivery.

Exploring 3-D printing to make organs for transplants

August 21, 2014 9:46 am | by American Chemical Society | News | Comments

Printing whole new organs for transplants sounds like something out of a sci-fi movie, but the real-life budding technology could one day make actual kidneys, livers, hearts and other organs for patients who desperately need them. In Langmuir, scientists are reporting new understanding about the dynamics of 3-D bioprinting that takes them a step closer to realizing their goal of making working tissues and organs on-demand.

Researchers create engineered energy-absorbing material

August 20, 2014 9:36 am | by James A Bono, LLNL | News | Comments

Materials like solid gels and porous foams are used for padding and cushioning, but each has its own advantages and limitations. To overcome limitations, a team from Lawrence Livermore National Laboratory has found a way to design and fabricate, at the microscale, new cushioning materials with a broad range of programmable properties and behaviors that exceed the limitations of the material's composition through 3-D printing.

3-D Printing Builds Up Architecture

August 13, 2014 1:53 pm | by Lindsay Hock, Managing Editor | Articles | Comments

In May 2014, a private company in China, WinSun, printed 10 full-size houses using 3-D printers in the space of a day. The process utilized quick-drying cement and construction water to build the walls layer-by-layer. The company used a system of four 10-m-by-6.6-m-high printers with multi-directional sprays to create the houses.

3-D Printing for Blood Recycling, Medical Developments

August 13, 2014 10:15 am | by Lindsay Hock, Managing Editor | Stratasys, Ltd. | Articles | Comments

Imagine your religious beliefs laid between you and your life. This is what happened in mid-April to Julie Penoyer, a 50-year-old U.K. heart patient and Jahovah’s Witness. Following her religious beliefs, her request when undergoing open-heart surgery was to not receive donated blood products.

New material structures bend like microscopic hair

August 6, 2014 10:31 am | by Jennifer Chu, MIT News Office | Videos | Comments

MIT engineers have fabricated a new elastic material coated with microscopic, hairlike structures that tilt in response to a magnetic field. Depending on the field’s orientation, the microhairs can tilt to form a path through which fluid can flow; the material can even direct water upward, against gravity. Researchers say structures may be used in windows to wick away moisture.

Driving Back Defects

August 6, 2014 10:13 am | by Paul Livingstone | Articles | Comments

Traditional lithography is based on a simple principle: Oil and water don’t mix. The method, first developed by an actor in Bavaria in 1796, used a smooth piece of limestone on which an oil-based image was drawn and overlayed with gum arabic in water. During printing, the ink was attracted to the oil, and was repelled by the gum.

Scanning Products into 3-D

August 6, 2014 9:47 am | by Lindsay Hock, Managing Editor | Articles | Comments

The global 3-D scanning market is estimated to grow from $2.06 billion in 2013 to $4.08 billion by 2018, at a CAGR of 14.6% from 2013 to 2018, according to a MarketsandMarkets report. Recent trends in the industry show 3-D scanning as improving, with a huge demand. And 3-D scanning with services like reverse engineering, rapid prototyping and quality inspection, makes it suitable for most verticals.

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