Search results for microelectromechanical systems

Condensed Matter Nov 4, 2011

Sought-after magnetic properties in common alloy

In a paper published Nov. 2 in Nature Communications, a team of researchers led by University of Maryland's Ichiro Takeuchi, in collaboration with Stanford Synchrotron Radiation Lightsource's Apurva Mehta, reported the discovery ...

General Physics Sep 14, 2011

Shake, rattle and ... power up? A new MEMS device generates energy from small vibrations

Today's wireless-sensor networks can do everything from supervising factory machinery to tracking environmental pollution to measuring the movement of buildings and bridges. Working together, distributed sensors can monitor ...

Nanomaterials Aug 26, 2011

Brittle silicon shows exceptional plasticity on the nanoscale

(PhysOrg.com) -- On the macroscale, silicon is a brittle material that cannot be easily molded into a desired shape. But scientists have found that a piece of silicon just 3 nm long can be stretched to more than 20 times ...

Optics & Photonics Aug 16, 2011

Argonne-pioneered X-ray lens to aid nanomaterials research

More affordable and efficient solar cells, batteries and lighting systems could result from a new X-ray lens that will let scientists study the nanoscale in greater detail than ever before.

Bio & Medicine Jul 5, 2011

Researchers characterize biomechanics of ovarian cells according to phenotype at stages of cancer

Using ovarian surface epithelial cells from mice, researchers from Virginia Tech have released findings from a study that they believe will help in cancer risk assessment, cancer diagnosis, and treatment efficiency in a technical ...

Engineering May 25, 2011

Broadening uses put MEMS technology on the map(s)

Behind the smart phone's continuing transformation into the quintessential multipurpose tool is the rise and diversification of microelectromechanical systems (MEMS), tiny machines that work the speakers, projectors, gyroscopes ...

Engineering May 24, 2011

New micro gyro technology for DARPA to be developed

The Georgia Institute of Technology, in partnership with Northrop Grumman Corporation, has been selected to develop a new type of Microelectromechanical Systems (MEMS) gyroscope technology for the Defense Advanced Research ...

Nanophysics May 9, 2011

Electromechanics also operates at the nanoscale

What limits the behaviour of a carbon nanotube? This is a question that many scientists are trying to answer. Physicists at University of Gothenburg, Sweden, have now shown that electromechanical principles are valid also ...

Engineering Apr 14, 2011

Microtechnology: Miniature magnetic switches

Transistors are commonly used in electronics as switches to turn an electrical current on or off. For applications that require a very large ratio between the on and off current, however, it is necessary to use mechanical ...

Optics & Photonics Mar 4, 2011

Mastering bandwidth: Researchers develop tunable, low-cost laser device

Transmitting information as pulses of light through fiber-optic cables is the fastest and highest-bandwidth communications technology that exists today. Yet even this technology is being pressed to carry ever-greater quantities ...

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