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Researchers create nanoparticle thin films that self-assemble in one minute

June 10, 2014 7:51 am | by Lynn Yarris, Lawrence Berkeley National Laboratory | News | Comments

The days of self-assembling nanoparticles taking hours to form a film over a microscopic-sized wafer are over. Researchers with Lawrence Berkeley National Laboratory have devised a technique whereby self-assembling nanoparticle arrays can form a highly ordered thin film over macroscopic distances in one minute.

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.

Octocopter named “HorseFly” takes flight

June 9, 2014 9:48 am | by Tom Robinette, Univ. of Cincinnati | News | Comments

HorseFly has eight rotors, a wirelessly recharging battery and a mission to deliver merchandise right to your doorstep. The new drone is the result of collaborative efforts by the Univ. of Cincinnati and AMP Electric Vehicles makers of the WorkHorse all-electric delivery truck. The newly designed, autonomous unmanned aerial vehicle was developed to work in tandem with AMP's delivery trucks to deliver packages in an efficient way.

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Cleveland to get new additive manufacturing center

June 9, 2014 8:45 am | News | Comments

Rapid Prototype + Manufacturing (rp+m) has formally partnered with Case Western Reserve Univ. to move its research and development arm to the university, joining forces with faculty researchers to develop new technologies in the growing additive manufacturing market, assist students in entrepreneurship and with research opportunities, and boost economic development in the region.

Shatterproof polymer screens to help save smartphones

June 6, 2014 10:57 am | News | Comments

Polymer scientists in Ohio have demonstrated how a transparent layer of electrodes on a polymer surface could be extraordinarily tough and flexible, withstanding repeated scotch tape peeling and bending tests. According to its developers, the new material could replace conventional indium tin oxide coatings currently used for touchscreens.

A new way to make laser-like beams using 250x less power

June 6, 2014 9:03 am | News | Comments

With precarious particles called polaritons that straddle the worlds of light and matter, Univ. of Michigan researchers have demonstrated a new, practical and potentially more efficient way to make a coherent laser-like beam. They have made what's believed to be the first polariton laser that is fueled by electrical current as opposed to light, and also works at room temperature, rather than way below zero.

Self-assembling nanomachines start to click

June 5, 2014 2:09 pm | by Leila Gray, University of Washington | News | Comments

A route for constructing protein nanomachines engineered for specific applications may now be closer to reality. Recent research has described the development of new Rosetta software that enables the design of protein nanomaterials composed of multiple copies of distinct protein subunits, which arrange themselves into higher order, symmetrical architectures. It has been used to create a nanocage, built by itself from engineered components.

Team demonstrates continuous terahertz sources at room temperature

June 5, 2014 11:47 am | News | Comments

The potential of terahertz waves has yet to be reached because they are difficult to generate and manipulate. Current sources are large devices that require complex vacuum, lasers and cooling systems. A Northwestern Univ. team is the first to produce terahertz radiation in a simplified system. Their room-temperature, compact, continuous terahertz radiation source is six times more efficient than previous systems.

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Emotional robot set for sale in Japan next year

June 5, 2014 9:18 am | by Yuri Kageyama, AP Business Writer | News | Comments

A cooing, gesturing humanoid on wheels that can decipher emotions has been unveiled in Japan by billionaire Masayoshi Son, who says robots should be tender and make people smile. The machine, called “Pepper”, has no legs, but has gently gesticulating hands. It recently appeared on a stage in a Tokyo suburb along with announcement that it will go on sale in Japan next year for the equivalent of US$1,900.

Drones give farmers eyes in the sky to check on crop progress

June 5, 2014 8:03 am | by Sharita Forrest, News Editor, Univ. of Illinois, Urbana-Champaign | News | Comments

This growing season, crop researchers at the Univ. of Illinois are experimenting with the use of drones—unmanned aerial vehicles—on the university’s South Farms. Dennis Bowman, a crop sciences educator with U. of I. Extension, is using two drones to take aerial pictures of crops growing in research plots on the farms.

Breakthrough greatly strengthens graphene-reinforced composites

June 4, 2014 10:07 am | News | Comments

Haydale, a U.K.-based developer of a unique plasma functionalization process for nanomaterials, has announced the publication of research showing its functionalized graphene nanoplatelets significantly improve the nanoscale reinforcement of resin. The report states a greater than two times increase in tensile strength and modulus of an epoxy composite using this technology.

New prototype transistor consumes little power

June 4, 2014 7:37 am | News | Comments

The basic element of modern electronics, namely the transistor, suffers from significant current leakage. By enveloping a transistor with a shell of piezoelectric material, which distorts when voltage is applied, researchers in the Netherlands were able to reduce this leakage by a factor of five compared to a transistor without this material.

Rice Univ. produces carbon-capture breakthrough

June 4, 2014 7:14 am | News | Comments

A porous material invented by the Rice Univ. lab of chemist James Tour sequesters carbon dioxide, a greenhouse gas, at ambient temperature with pressure provided by the wellhead and lets it go once the pressure is released. The material shows promise to replace more costly and energy-intensive processes.

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Discovery sheds light on how to control self-assembly process

June 3, 2014 8:35 am | News | Comments

Imagine a tower that builds itself into the desired structure only by choosing the appropriate bricks. Absurd, but in the nano world self-assembly is now a common practice for forming structures. Researchers in Austria have been investigating how they can control the ordering of self-assembling structures and discovered how to switch the assembly process on and off.

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.

The hunt for white aluminium

May 30, 2014 10:29 am | by Katrine Krogh-Jeppesen, DTU | News | Comments

Bang & Olufsen is working with scientists in Denmark to develop a method for creating white aluminium surfaces. This has been exceedingly difficult for manufacturers because the existing technology used to color aluminium cannot be used to produce the color white because the molecules used to create “white” are too big. Rather than use pigments, then, researchers have a way to make it become white during the process.

Think fast, robot

May 30, 2014 9:01 am | by Larry Hardesty, MIT News Office | News | Comments

One of the reasons we don’t yet have self-driving cars and miniature helicopters delivering online purchases is that autonomous vehicles tend not to perform well under pressure. A system that can flawlessly parallel park at 5 mph may have trouble avoiding obstacles at 35 mph. Part of the problem is the time it takes to produce and interpret camera data.

SpaceX finishes qualification testing for 3-D printed rocket engine

May 30, 2014 8:58 am | Videos | Comments

The SuperDraco thruster, an engine that will power SpaceX’s Dragon spacecraft to orbit, has completed a test regimen held over the last month at SpaceX’s Rocket Development Facility in Texas. This qualification test involves a variety of conditions conditions including multiple starts, extended firing durations and extreme off-nominal propellant flow and temperatures.

Study: Solar panel manufacturing is greener in Europe than China

May 30, 2014 8:42 am | by Louise Lerner, Argonne National Laboratory | News | Comments

Solar panels made in China have a higher overall carbon footprint and are likely to use substantially more energy during manufacturing than those made in Europe, said a new study from Northwestern Univ. and Argonne National Laboratory. The report compared energy and greenhouse gas emissions that go into the manufacturing process of solar panels in Europe and China.

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.

New laser sensing technology could support self-driving cars, smartphone tech

May 29, 2014 11:50 am | News | Comments

A new twist on 3-D imaging technology could one day enable your self-driving car to spot a child in the street half a block away or play “virtual tennis” on your driveway. The new system, developed by researchers at the Univ. of California, Berkeley, can remotely sense objects across distances as long as 30 feet, 10 times farther than what could be done with comparable current low-power laser systems.

SABIC collaborates with Cima Nanotech on new conductive, transparent film

May 29, 2014 9:01 am | News | Comments

Saudi Arabian-based petrochemical company SABIC and Cima NanoTech have announced the joint development of a new transparent conductive polycarbonate film. The collaboration leverages both Cima NanoTech’s proprietary SANTE nanoparticle technology and SABIC’s LEXAN film to produce a film that outperforms indium tin oxide by a factor of ten.

A more Earth-friendly way to make bright white cotton fabrics

May 29, 2014 7:44 am | News | Comments

With a growing number of consumers demanding more earth-friendly practices from the fashion world, scientists are developing new ways to produce textiles that could help meet rising expectations. They report in Industrial & Engineering Chemistry Research one such method that can dramatically reduce the amount of energy it takes to bleach cotton while improving the quality of the popular material.

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.

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