News tagged with oscillation frequency
Frequency stabilization in nonlinear nanomechanical oscillators
Using Center for Nanoscale Materials (CNM) expertise in the design and fabrication of micro- and nanoscale devices, a new strategy for engineering low-frequency noise oscillators capitalizes on the intrinsic ...
May 28, 2012 |
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Scientists discover new water waves
(PhysOrg.com) -- By precisely shaking a container of shallow water, researchers have observed wave behavior that has never been seen before. In a new study, Jean Rajchenbach, Alphonse Leroux, and Didier Clamond ...
Jul 19, 2011 |
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On...off...on...off... The circuitry of insulin-releasing cells
A myriad of inputs can indicate a body's health bombard pancreatic beta cells continuously, and these cells must consider all signals and "decide" when and how much insulin to release to maintain balance in blood sugar, for ...
Dec 09, 2010 |
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Scientists examine possibility of a phonon laser, or 'phaser'
(PhysOrg.com) -- While the optical laser celebrated its 50th anniversary earlier this year, some scientists have been working on a new type of coherent beam amplifier for sound rather than light. Scientists ...
Sep 07, 2010 |
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Japanese Manufacturers Developing Millimeter-Wave Communication Chips
(PhysOrg.com) -- The three large Japanese manufactures, Hitachi, Panasonic Corp., and Toshiba Corp, have announced that they are developing radio frequency (RF) transceiver ICs in the 60GHz band. All three ...
Feb 01, 2010 |
4.3 / 5 (8) |
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A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents
(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...
Nanotechnology / Bio & Medicine
Nov 19, 2009 |
5 / 5 (3) |
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National Semiconductor Introduces Industry's Lowest-Noise Frequency Synthesizer
National Semiconductor today announced the industry’s lowest-noise, fully integrated frequency synthesizer. The PowerWise LMX2541 provides less than 2 milli-radians (mrad) root-mean-square (rms) noise at 2.1 ...
Jul 06, 2009 |
5 / 5 (3) |
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Atomic fountain clocks are becoming still more stable
They are at present the most accurate clocks in the world: Caesium fountain clocks furnish the second accurate to 15 places after the decimal point. Until they reach this accuracy, caesium fountain clocks, however, need a ...
Mar 18, 2009 |
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