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Nanotechnology

A breakthrough imaging technique developed by Cornell researchers shows promise in decontaminating water by yielding surprising and important information about catalyst particles that can't be...

Question of the Week: Test & Measurement
Beyond Camouflage, Do You See Other Applications for Artificial ‘Chameleon Skin?’

A Cambridge University team developed an artificial "chameleon skin" that changes color when exposed to light. The material supports a range of applications, including active camouflage, large-scale dynamic displays, and maybe even medical diagnostics.

"Actually it was not something we really planned!" Dr. Andrew Salmon told Tech Briefs.

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Organic semiconductors (OSCs) have emerged as a new class of electronic materials promising a wide range of applications including organic field-effect transistors...

The color of a material can often tell how it handles heat. With clothing, for example, the darker the pigment, the warmer you're likely to feel on a hot day. Likewise, the more...

Briefs: Semiconductors & ICs
High-Temperature Dielectric Nanocomposite

A nanocomposite was developed that could be a superior high-temperature dielectric material for flexible electronics, energy storage, and electric devices. The nanocomposite combines one-dimensional polymer nanofibers and two-dimensional boron nitride nano-sheets. The nanofibers reinforce the...

Briefs: Nanotechnology
Fire-Retardant Coating Uses Renewable, Nontoxic Materials

Researchers developed a new kind of flame-retardant coating using renewable, nontoxic materials readily found in nature. The coating could provide more effective fire protection for several widely used materials. The coatings offer the opportunity to reduce the flammability of...

A new method uses ultraviolet light to control the flow of fluids by encouraging particles — from plastic microbeads, to bacterial spores, to pollutants — to...

Researchers have created a fabric that automatically regulates the amount of heat that passes through, depending on conditions; for example, when conditions are warm and moist — such as those of a...

Briefs: Sensors/Data Acquisition
Microneedles Extract Fluid for Wearable Sensors

Interstitial fluid is clear, colorless, and similar to blood plasma. Continual sampling of important biomarkers in interstitial fluid could help monitor and diagnose many diseases and...

Briefs: Mechanical & Fluid Systems
Light-Activated Micro-Pump

Even the smallest mechanical pumps have limitations, from the micro-fabrication techniques required to make them to the fact that there are limits on their size. A laser-driven photoacoustic microfluidic pump was...

Facility Focus: Sensors/Data Acquisition
Facility Focus: National Energy Technology Laboratory

The National Energy Technology Laboratory (NETL) is a U.S. Department of Energy (DOE) national laboratory — with sites in Anchorage, AK; Albany, OR; Morgantown, WV; and Pittsburgh, PA...

Scientists have visualized the electronic structure in a microelectronic device for the first time, opening up opportunities for finely tuned,...

Blog: Manufacturing & Prototyping
A Self-Healing Glass, Inspired by a Butterfly Wing
A team from the University of Pittsburgh looked to the butterfly to create a glass that is self-healing, liquid-repellant, and anti-fogging.
Briefs: Manufacturing & Prototyping
Fabricating Nanochips via Thermal Lithography

A process for fabricating atom-thin processors can be used to produce at the nanoscale for smaller and faster semiconductors.

Aydin Aysu, Ph.D., is Assistant Professor in the Electrical & Computer Engineering Department at North Carolina State University in Raleigh, where he helped develop a technique for...

A system was developed that can remove radioactive cesium contamination from porous structures such as brick and concrete that are hard to clean, as well as contamination from...

Facility Focus: Manufacturing & Prototyping
NASA’s John F. Kennedy Space Center

On September 1, 1961, NASA requested appropriations for initial land purchases on Merritt Island on Florida’s east coast to support the Apollo Lunar Landing Program. Designers quickly began developing...

Briefs: Electronics & Computers
3D Printing of Flexible Circuits

A process was developed for 3D printing that can be used to produce transparent and mechanically flexible electronic circuits. The electronics consist of a mesh of silver nanowires that can be printed in suspension and embedded in various flexible and transparent plastics (polymers). This technology can enable...

Briefs: Semiconductors & ICs
Shear Assisted Processing and Extrusion

Shear Assisted Processing and Extrusion (ShAPE™) allows creation of wire, bar, and tubular extrusions that show significant improvement in material properties; for example, magnesium extrusions have...

Wearable devices that harvest energy from movement are not a new idea, but a material created at Rice University may make them more practical.

Computers and similar electronic devices have gotten faster and smaller over the decades as computer-chip makers have learned how to shrink individual transistors. Scientists’...

Stretchable electronics, which can be stretched, deformed and wrapped onto nonplanar curved surfaces, have attracted much attraction due to their...

Articles: Sensors/Data Acquisition
A Sensor that Fits Like a Glove

We recently had a discussion with Sri Peruvemba, VP of Strategy at BeBop Sensors (Berkeley, CA), about the technology and applications for their two-dimensional fabric sensor material. I started by asking Sri...

Briefs: Nanotechnology
Wood-Based Technology Creates Electricity from Heat

Researchers have transformed a piece of wood into a flexible membrane that generates energy from the same type of electric current (ions) on which the human body runs. This energy is generated using charged channel walls and other unique properties of the wood’s natural nanostructures. With...

Briefs: Sensors/Data Acquisition
Flexible, Transparent, Wearable Bio-Patch

Silicon nanoneedle patches are currently placed between skin, muscles, or tissues where they deliver exact doses of biomolecules. Commercially available silicon nanoneedle patches are usually constructed on a rigid and opaque silicon wafer. The rigidity can cause discomfort and cannot be left in the body...

The combination of conductive polymers on nanostructures was demonstrated as suited to creating electronic displays as thin as paper. The “paper” is similar to the Kindle tablet. It...

Question of the Week
Will Self-Erasing Chips Catch On?

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