麻豆淫院

Search results for microelectromechanical systems

Nanomaterials Jun 5, 2015

New microfiber emitters boost production of versatile fibers fourfold, cut energy consumption by 92 percent

Nanofibers鈥攑olymer filaments only a couple of hundred nanometers in diameter鈥攈ave a huge range of potential applications, from solar cells to water filtration to fuel cells. But so far, their high cost of manufacture ...

Nanomaterials May 25, 2015

Graphene and diamonds prove a slippery combination

Scientists at the U.S. Department of Energy's Argonne National Laboratory have found a way to use tiny diamonds and graphene to give friction the slip, creating a new material combination that demonstrates the rare phenomenon ...

General 麻豆淫院ics May 6, 2015

Scientists tune X-rays with tiny mirrors

The secret of X-ray science 鈥� like so much else 鈥� is in the timing.

Engineering May 1, 2015

Unveiling of the world's smallest and most powerful micro motors

Piezoelectric ultrasonic motors have two significant advantages, namely their high energy density and their simple structure, which both contribute to their miniaturization. We have built a prototype micro ultrasonic motor ...

General 麻豆淫院ics Apr 28, 2015

New method provides direct SI traceability for sound pressure

Scientists at the National 麻豆淫院ical Laboratory (NPL) - the UK's National Measurement Institute - have developed an optical method for remotely measuring sound pressure inside a fully anechoic chamber which is the first to ...

Engineering Apr 1, 2015

TAU researchers move Star Trek's fictional "Tricorder" into the real world

For the crew of the Starship Enterprise, Star Trek's "Tricorder" was an essential tool, a multifunctional hand-held device used to sense, compute, and record data in a threatening and unpredictable universe. It simplified ...

Nanophysics Jan 27, 2015

Researchers tune friction in ionic solids at the nanoscale

Friction impacts motion, hence the need to control friction forces. Currently, this is accomplished by mechanistic means or lubrication, but experiments conducted by researchers at the Department of Energy's Oak Ridge National ...

General 麻豆淫院ics Jan 26, 2015

New portable vacuum standard

A novel Portable Vacuum Standard (PVS) has been added to the roster of NIST's Standard Reference Instruments (SRI). It is now available for purchase as part of NIST's ongoing commitment to disseminate measurement standards ...

Condensed Matter Jan 8, 2015

3-D 'pop-up' silicon structures: Transforming planar materials into 3-D microarchitectures

In the cover feature article of the journal, Science, researchers at the University of Illinois at Urbana-Champaign describe a unique process for geometrically transforming two dimensional (2D) micro/nanostructures into extended ...

Nanophysics Dec 17, 2014

Discovery advances ferroelectrics in quest for lower power transistors

(麻豆淫院)鈥擜n article released today by the journal Nature Materials describes the first direct observation of a long-hypothesized but elusive phenomenon called "negative capacitance." The work describes a unique reaction ...

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