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The Lead

New approach helps form non-equilibrium structures

July 25, 2014 6:49 am | News | Comments

Scientists at Northwestern Univ. have developed a new technique for creating non-equilibrium systems, which experience constant changes in energy and phases, such as temperature fluctuations, freezing and melting, or movement. The method, which involves injecting energy through oscillations to force particles to self-assemble under non-equilibrium conditions, should help us understand the fundamentals of this mysterious topic.

From stronger Kevlar to better biology

July 14, 2014 9:17 am | by Angela Herring, Northeastern Univ. | News | Comments

Mar­ilyn Minus, a materials expert and assis­tant...

New technology offers precise control of molecular self-assembly

July 10, 2014 5:09 pm | News | Comments

A research group based in Japan has developed a...

New method detects infrared energy using a nanoporous photodetector

July 1, 2014 10:09 am | News | Comments

Experiments aimed at devising new types of...

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Carbon-fiber epoxy honeycombs mimic material performance of balsa wood

June 25, 2014 4:06 pm | by Paul Karoff, Harvard Univ. | News | Comments

In wind farms across North America and Europe, sleek turbines equipped with state-of-the-art technology convert wind energy into electric power. But tucked inside the blades of these feats of modern engineering is a decidedly low-tech core material: balsa wood.

Researchers develop new ultra-light, ultra-stiff 3-D printed materials

June 19, 2014 4:11 pm | by Kenneth Ma, LLNL | News | Comments

Imagine a material with the same weight and density as aerogel—a material so light it's called “frozen smoke”—but with 10,000 times more stiffness. This material could have a profound impact on the aerospace and automotive industries as well as other applications where lightweight, high-stiffness and high-strength materials are needed.

New manufacturing methods needed for “soft” machines, robots

June 19, 2014 7:52 am | by Emil Venere, Purdue Univ. | News | Comments

Researchers have developed a technique that might be used to produce "soft machines" made of elastic materials and liquid metals for potential applications in robotics, medical devices and consumer electronics. Such an elastic technology could make possible robots that have sensory skin and stretchable garments that people might wear to interact with computers or for therapeutic purposes.

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Researchers develop efficient approach to manufacture 3-D metal parts

June 16, 2014 2:12 pm | by Kenneth Ma, LLNL | News | Comments

Lawrence Livermore National Laboratory researchers have developed a new and more efficient approach to a challenging problem in additive manufacturing—using selective laser melting, namely, the selection of appropriate process parameters that result in parts with desired properties.

R&D Scene: 3-D Printing Ushers In New Era of Manufacturing

June 9, 2014 1:42 pm | by Lindsay Hock, Managing Editor | Videos | Comments

Thirty years have passed since 3-D printers first appeared, but only recently have they hinted at a new era of manufacturing. The first working 3-D printer was created in 1984 by Chuck Hull of 3D Systems Corp. This early device, based on stereolithography, gave way to the first truly practical 3-D printing technology patented by the Massachusetts Institute of Technology in 1993.

Simple sewing machine has high-tech role in future “soft” machines

June 3, 2014 7:50 am | by Emil Venere, Purdue Univ. | News | Comments

The humble sewing machine could play a key role in creating "soft" robotics, wearable electronics and implantable medical systems made of elastic materials that are capable of extreme stretching. New stretchable technologies could lead to innovations including robots that have human-like sensory skin and synthetic muscles and flexible garments that people might wear to interact with computers or for therapeutic purposes.

Affordable precision printing for pros

June 3, 2014 7:38 am | by Rob Matheson, MIT News Office | News | Comments

Against the backdrop of today’s burgeoning 3-D printing landscape, with an ever-increasing number of machines popping up, MIT Media Lab spinout Formlabs has carved out a precise niche. Combining a highly accurate (but usually expensive) light-based printing technique with engineering ingenuity, the Formlabs team invented a high-resolution 3-D laser printer, called the Form 1, that’s viewed as an affordable option for professional users.

Bake your own robot

May 30, 2014 7:40 am | by Larry Hardesty, MIT News Office | Videos | Comments

At this year’s IEEE International Conference on Robotics and Automation, a research team introduced a new wrinkle on the idea of printable robots: bakable robots. In two new papers, the researchers demonstrate the promise of printable robotic components that, when heated, automatically fold into prescribed 3-D configurations.

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Supersonic spray delivers high quality graphene layer

May 28, 2014 11:26 am | by Jeanne Galatzer-Levy, Univ. of Illinois, Chicago | News | Comments

Although the potential uses for graphene seem limitless, there has been no easy way to scale up from microscopic to large-scale applications without introducing defects. Researchers in Chicago and Korea have recently developed a supersonic spray system that produces very small droplets of graphene which disperse evenly, evaporate rapidly, and reduce aggregation tendencies. And, to the researchers’ surprise, it also eliminates defects.

3-D printer builds 10 houses in one day

April 29, 2014 7:46 am | by Lindsay Hock, Managing Editor | Videos | Comments

WinSun, a private company located in eastern China, has printed 10 full-size houses using a 3-D printer in the space of a day. The process utilizes 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: A New Manufacturing Staple

April 15, 2014 9:24 am | by Lindsay Hock, Managing Editor | Stratasys, Ltd. | Articles | Comments

Thirty years have passed since 3-D printers first appeared, but only recently have they hinted at a new era of manufacturing. The first working 3-D printer was created in 1984 by Chuck Hull of 3D Systems Corp. This early device, based on stereolithography, gave way to the first truly practical 3-D printing, or “3DP”, technology patented by the Massachusetts Institute of Technology in 1993.

LLNL shines new light on additive manufacturing approach

April 11, 2014 8:14 am | by James A Bono, LLNL | News | Comments

For nearly a century, electrophoretic deposition (EPD) has been used as a method of coating material by depositing particles of various substances onto the surfaces of various manufactured items. Since its earliest use, EPD has been used to deposit a wide range of materials onto surfaces. This process works well, but is limited. EPD can only deposit material across the entire surface and not in specific, predetermined locations, until now.

Scalable CVD process for making 2-D molybdenum diselenide

April 8, 2014 11:04 am | News | Comments

Nanoengineering researchers at Rice Univ. and Nanyang Technological Univ. in Singapore have unveiled a potentially scalable method for making one-atom-thick layers of molybdenum diselenide—a highly sought semiconductor that is similar to graphene but has better properties for making certain electronic devices like switchable transistors and light-emitting diodes.

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Squeezing light into metals

March 7, 2014 7:50 am | News | Comments

Using an inexpensive inkjet printer, Univ. of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity within such microstructures, could be used to rapidly fabricate superfast components in electronic devices, make wireless technology faster or print magnetic materials.

3-D printer creates transformative device for heart treatment

February 26, 2014 9:54 am | by Beth Miller, Washington Univ., St. Louis | News | Comments

Using an inexpensive 3-D printer, biomedical engineers have developed a custom-fitted, implantable device with embedded sensors that could transform treatment and prediction of cardiac disorders. An international team has created a 3-D elastic membrane made of a soft, flexible, silicon material that is precisely shaped to match the heart’s epicardium, or the outer layer of the wall of the heart.

Sustainable manufacturing system to better consider the human component

February 20, 2014 11:43 am | News | Comments

Engineers at Oregon State Univ. have developed a new approach toward sustainable manufacturing that begins on the factory floor and tries to encompass the totality of manufacturing issues, including economic, environmental and social impacts. This approach, they say, builds on previous approaches that considered various facets of sustainability in a more individual manner.

An essential step toward printing living tissues

February 19, 2014 9:29 am | News | Comments

A new bioprinting method developed at the Wyss Institute for Biologically Inspired Engineering at Harvard Univ. creates intricately patterned 3-D tissue constructs with multiple types of cells and tiny blood vessels. The work represents a major step toward a longstanding goal of tissue engineers: creating human tissue constructs realistic enough to test drug safety and effectiveness.

New advance in 3-D printing and tissue engineering technology

February 11, 2014 8:46 am | News | Comments

Researchers have introduced a unique microrobotic technique to assemble the components of complex materials, the foundation of tissue engineering and 3-D printing. Tissue engineering and 3-D printing have become vitally important to the future of medicine for many reasons. The shortage of available organs for transplantation, for example, leaves many patients on waiting lists for life-saving treatment.

Trace Early, Trace Often to Improve Your Development Process

February 7, 2014 2:45 pm | by Matt Harp, Product Marketing Director, Seapine Software | Articles | Comments

Many companies have recognized an untapped opportunity for improving their development process: the requirements traceability matrix. Rather than wait until the end of the development cycle, the team builds the trace matrix when requirements first go under design control, and maintains it all the way through the submission process.

The Laser-Sintering Effect

February 6, 2014 10:41 am | by Lindsay Hock, Managing Editor | Articles | Comments

Exposed on a vertical face, rock climbers rely on their instincts and experience just as much as their equipment for survival. Depending on the climb, an assortment of gear is used for a successful ascension to the top—carabineers, cams, harnesses, specialized climbing shoes. Different styles of footwear are used for finessing cracks, balancing on small toeholds or smearing sloping slabs, the choice depends on individual preference.

Researchers improve process for manufacturing efficient solar cells

February 6, 2014 9:04 am | by Bill Kisliuk, Univ. of California, Los Angeles | News | Comments

Working on the cutting edge of a newly emerging area of solar-cell research, Univ. of California, Los Angeles engineers have invented a new process for manufacturing highly efficient photovoltaic materials that shows promise for low-cost industrial production. The new process uses so-called perovskite materials, which in the past few years have significantly advanced scientists' efforts to create the next generation of solar cells.

Self-organization controls “length” of supramolecular polymers

February 4, 2014 9:08 am | News | Comments

In a world’s first, researchers at the National Institute of Materials Science in Japan have succeeded in controlling the length of a one-dimensional, or supramolecular, assembly of molecules. Their method involves molecular self-organization, which until now has not been practical for polymer synthesis because of a lack of knowledge about the interplay of organizational pathways.

ORNL, Local Motors sign CRADA to enable rapid design, manufacturing of vehicles

January 30, 2014 8:14 am | by Morgan McCorkle, Oak Ridge National Laboratory | News | Comments

Local Motors Inc. and Oak Ridge National Laboratory have signed a new partnership to develop and deliver technology to produce the world’s first production 3-D printed vehicle. The CRADA between Local Motors and ORNL will explore making vehicle construction more efficient, including lower production time, costs and part count, coupled with higher standards of control, safety, aesthetics and mechanical flexibility.

Engineers teach old chemical new tricks to make cleaner fuels, fertilizers

January 27, 2014 2:03 pm | News | Comments

Researchers from two continents have engineered an efficient and environmentally friendly catalyst for the production of molecular hydrogen (H2), a compound used extensively in modern industry to manufacture fertilizer and refine crude oil into gasoline. The new method can product industrial quantities of hydrogen without emitting carbon into the atmosphere.

3-D printed soil reveals the world beneath our feet

January 27, 2014 8:21 am | by Kirsty Cameron, Abertay Univ. | Videos | Comments

Soil scientists at Abertay Univ. are using 3-D printing technology to find out, for the very first time, exactly what is going on in the world beneath our feet. In the same way that ecologists study the interactions of living organisms above ground, Prof.Wilfred Otten and researchers at the university’s SIMBIOS Centre are taking advantage of the new technology to do the same below ground.

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