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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.

Force-sensing microrobots to probe cells

October 14, 2014 7:56 am | by Emil Venere, Purdue Univ. | News | Comments

Inexpensive microrobots capable of probing and manipulating individual cells and tissue for biological research and medical applications are closer to reality with the design of a system that senses the minute forces exerted by a robot's tiny probe. Microrobots small enough to interact with cells already exist. However, there is no easy, inexpensive way to measure the small forces applied to cells by the robots, until now.

The new family portrait? 3-D-printed statue selfies

October 10, 2014 11:52 am | by Peter Svensson, AP Technology Writer | News | Comments

The advent of digital cameras and smartphones killed the traditional mall portrait studio, but 3-D printing has sparked a new trend. Overloaded with digital photos, statues may be moving in to fulfill our desire for portraits that stand out. New York's Museum of Art and Design offered scans and statues earlier this year. Shapeways, the company that supplied the exhibit, scanned about 6,000 people and sold about 1,500 statues for $30.

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Snakes and snake-like robots show how sidewinders conquer sandy slopes

October 10, 2014 8:15 am | by John Toon, Georgia Tech and Byron Spice, Carnegie Mellon Univ. | Videos | Comments

The amazing ability of sidewinder snakes to quickly climb sandy slopes was once something biologists only vaguely understood and roboticists only dreamed of replicating. By studying the snakes in a unique bed of inclined sand and using a snake-like robot to test ideas spawned by observing the real animals, both biologists and roboticists have now gained long-sought insights, including how sidewinders effectively traverse sandy slopes.

Droplets made to order

October 7, 2014 9:33 am | by David L. Chandler, MIT | News | Comments

Massachusetts Institute of Technology researchers have developed a new way of creating surfaces on which droplets of any desired shape can spontaneously form. They say this approach could lead to new biomedical assay devices and light-emitting diode display screens, among other applications. The new work represents the first time that scientists can control the shape of the contact area of the droplets.

Fast, cheap nanomanufacturing

October 6, 2014 9:19 am | by Larry Hardesty, MIT | News | Comments

Arrays of tiny conical tips that eject ionized materials are being made at the Massachusetts Institute of Technology. The technology, which harnesses electrostatic forces, has a range of promising applications, such as spinning out nanofibers for use in “smart” textiles or propulsion systems for fist-sized “nanosatellites.” The latest prototype array that generates 10 times the ion current per emitter that previous arrays did.

Online resource provides free tools, simulations for composite materials

October 3, 2014 11:59 am | News | Comments

Individuals in industrial associations, educational institutions and government organizations who are interested in composites, or materials made from constituent materials with different physical or chemical properties, now have free, 24/7 access to simulation tools through an online community with offices in the Purdue Research Park.

Batteries included: A solar cell that stores its own power

October 3, 2014 9:07 am | by Pam Frost Gorder, Ohio State Univ. | News | Comments

The world’s first “solar battery”, invented by researchers at Ohio State Univ., is a battery and a solar cell combined into one hybrid device. Key to the innovation is a mesh solar panel, which allows air to enter the battery, and a special process for transferring electrons between the solar panel and the battery electrode. Inside the device, light and oxygen enable different parts of the chemical reactions that charge the battery.

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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.

Ultrafast remote switching of light emission

October 1, 2014 9:15 am | News | Comments

Researchers in the Netherlands can now, for the first time, remotely control a miniature light source at timescales of 200 trillionths of a second. Physicists have developed a way of remotely controlling the nanoscale light sources at an extremely short timescale. These light sources are needed to be able to transmit quantum information.

Scientists improve microscopic batteries with homebuilt imaging analysis

September 29, 2014 12:26 pm | News | Comments

In a rare case of having their cake and eating it too, scientists from NIST and other institutions have developed a toolset that allows them to explore the complex interior of tiny, multi-layered batteries they devised. It provides insight into the batteries’ performance without destroying them, which results in both a useful probe for scientists and a potential power source for micromachines.

New technology may lead to prolonged power in mobile devices

September 29, 2014 8:40 am | News | Comments

Researchers from the Univ. of Texas at Dallas have created technology that could be the first step toward wearable computers with self-contained power sources or, more immediately, a smartphone that doesn’t die after a few hours of heavy use. This technology  taps into the power of a single electron to control energy consumption inside transistors, which are at the core of most modern electronic systems.

Underwater robot for port security

September 26, 2014 7:42 am | by Larry Hardesty, MIT News Office | News | Comments

Massachusetts Institute of Technology researchers unveiled an oval-shaped submersible robot, a little smaller than a football, with a flattened panel on one side that can slide along an underwater surface to perform ultrasound scans. Originally designed to look for cracks in nuclear reactors’ water tanks, the robot could also inspect ships for the false hulls and propeller shafts that smugglers frequently use to hide contraband.

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World’s smallest reference material is a big plus for nanotechnology

September 25, 2014 9:44 am | News | Comments

If it's true that good things come in small packages, then NIST can now make anyone working with nanoparticles very happy. The institute recently issued Reference Material (RM) 8027, the smallest known reference material ever created for validating measurements of man-made, ultrafine particles between 1 and 100 nm in size.

A Diamond is R&D’s “Synthetic” Best Friend

September 24, 2014 10:10 am | by Lindsay Hock, Managing Editor | Articles | Comments

Diamonds aren’t just a girl’s best friend, they’re also R&D’s best friend—or at least a new acquaintance. Many laboratories and companies are embracing synthetic diamond for its elevated super properties in applications ranging from analytical instruments and biomedical sensors to electronics and lasers to water purification.

Low-cost, “green” transistor heralds advance in flexible electronics

September 24, 2014 10:02 am | News | Comments

As tech company LG demonstrated this summer with the unveiling of its 18-in flexible screen, the next generation of roll-up displays is tantalizingly close. Researchers are now reporting a new, inexpensive and simple way to make transparent, flexible transistors that could help bring roll-up smartphones with see-through displays and other bendable gadgets to consumers in just a few years.

New solar cells serve free lunch

September 24, 2014 9:07 am | by Poncie Rutsch, Okinawa Institute of Science and Technology | News | Comments

A common complaints about solar power is that solar panels are still too expensive. Efforts at making them more efficient or longer-lasting have been limited. A new method developed in Okinawa could solve the expense problem: A hybrid form of deposition is being used to create perovskite solar cells from a mixture of inexpensive organic and inorganic raw materials, eliminating the need for expensive crystallized silicon.

Robotic fabric could bring “active clothing”, wearable robots

September 23, 2014 2:20 pm | by Emil Venere, Purdue Univ. | News | Comments

Researchers are developing a robotic fabric that moves and contracts and is embedded with sensors, an approach that could lead to "active clothing" or a new class of "soft" robots. The robotic fabric, developed at Purdue Univ.,  is a cotton material containing sensors made of a flexible polymer and threadlike strands of a shape-memory alloy that return to a coiled shape when heated, causing the fabric to move.

New formulation leads to improved liquid battery

September 23, 2014 2:07 pm | by David L. Chandler, MIT | News | Comments

Donald Sadoway and his colleagues at the Massachusetts Institute of Technology have already started a company to produce electrical-grid-scale liquid batteries, whose layers of molten material automatically separate due to their differing densities. But a newly developed formula substitutes different metals for the molten layers. The new formula allows the battery to work at a much lower temperature.

SpaceX launches space station supplies, first 3-D printer bound for orbit

September 22, 2014 9:01 am | by Marcia Dunn, The Associated Press | News | Comments

A SpaceX cargo ship rocketed toward the International Space Station on Sunday, carrying more than 5,000 pounds of supplies, including the first 3-D printer for astronauts in orbit. The printer, developed by Made in Space, is sturdier than Earthly models and is a technology demonstrator. . But NASA envisions astronauts one day using one to crank out spare parts as needed.

Team improves solar cell efficiency with new polymer

September 19, 2014 4:49 pm | by Emily Conover, Univ. of Chicago | News | Comments

A collaboration between scientists in the Univ. of Chicago’s chemistry department, the Institute for Molecular Engineering and Argonne National Laboratory has produced the highest-ever recorded efficiency for solar cells made of two types of polymers and fulllerene. Researchers identified a new polymer that improved the efficiency of solar cells and also determined the method by which the polymer improved the cells’ efficiency.

Startup scales up graphene production, develops biosensors and supercapacitors

September 19, 2014 10:59 am | Videos | Comments

Glenn Johnson, CEO of BlueVine Graphene Industries Inc., said many of the methodologies being utilized to produce graphene today are not easily scalable and require numerous post-processing steps to use it in functional applications. He said his company has developed a way to scale graphene production using a roll-to-roll chemical vapor deposition process.

Fingertip sensor gives robot dexterity

September 19, 2014 7:42 am | by Larry Hardesty, MIT News Office | News | Comments

Researchers at Massachusetts Institute of Technology (MIT) and Northeastern Univ. have equipped a robot with a novel tactile sensor that lets it grasp a USB cable draped freely over a hook and insert it into a USB port. The sensor is an adaptation of a technology called GelSight, which was developed at MIT, and first described in 2009.

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.

Scientists refine formula for nanotube types

September 17, 2014 9:52 am | by Mike Williams, Rice Univ. | Videos | Comments

Many a great idea springs from talks over a cup of coffee. But it’s rare and wonderful when a revelation comes from the cup itself. Rice Univ. theoretical physicist Boris Yakobson, acting upon sudden inspiration at a meeting last year, obtained a couple of spare coffee cups from a server and a pair of scissors and proceeded to lay out—science fair-style—an idea that could have far-reaching implications for the nanotechnology industry.

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