News tagged with oscillator
National Semiconductor Introduces Industry's Lowest-Noise Frequency Synthesizer
Jul 06, 2009 |
5 / 5 (3) |
0
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 ...
MicroRNAs grease the cell's circadian clockwork
May 31, 2009 |
not rated yet |
0
Most of our cells possess an internal clock, a group of genes displaying a cyclic expression pattern that reaches a peak once a day. A large number of circadian genes are expressed by organs such as the liver, whose activity ...
Atomic fountain clocks are becoming still more stable
Mar 18, 2009 |
4 / 5 (1) |
1
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 ...
Search results for oscillator
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
4.5 / 5 (4) |
0
When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Active hearing process in mosquitoes
Nov 20, 2009 |
4 / 5 (1) |
0
A mathematical model has explained some of the remarkable features of mosquito hearing. In particular, the male can hear the faintest beats of the female's wings and yet is not deafened by loud noises.
New Digital 'Electronics' Concept May Continue Moore's Law
Nov 05, 2009 |
4.6 / 5 (76) |
12
(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...
Physicists Demonstrate Three-Color Entanglement
Oct 07, 2009 |
4.3 / 5 (25) |
3
(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
NASA shoots the moon to track lunar spacecraft
Space & Earth / Space Exploration
Sep 24, 2009 |
5 / 5 (6) |
3
28 times per second, engineers at NASA's Goddard Space Flight Center fire a laser that travels about 250,000 miles to hit the minivan-sized Lunar Reconnaissance Orbiter (LRO) spacecraft moving at nearly 3,600 ...
Jet-propelled Imaging for an Ultrafast Light Source
Aug 04, 2009 |
5 / 5 (2) |
1
(PhysOrg.com) -- John Spence, a physicist at Arizona State University, is a longtime user of the Advanced Light Source at Lawrence Berkeley National Laboratory, where he has contributed to major advances in lensless imaging. ...
Jet-propelled imaging for an ultrafast light source
Jul 29, 2009 |
4.9 / 5 (11) |
1
John Spence, a physicist at Arizona State University, is a longtime user of the Advanced Light Source at Lawrence Berkeley National Laboratory, where he has contributed to major advances in lensless imaging. ...
Quantum goes massive
Jul 16, 2009 |
4.5 / 5 (23) |
5
(PhysOrg.com) -- An astrophysics experiment in America has demonstrated how fundamental research in one subject area can have a profound effect on work in another as the instruments used for the Laser Interferometer ...
Researchers putting a freeze on oscillator vibrations
Jun 17, 2009 |
4.4 / 5 (5) |
3
University of Oregon physicists have successfully landed a one-two punch on a tiny glass sphere, refrigerating it in liquid helium and then dosing its perimeter with a laser beam, to bring its naturally occurring mechanical ...
Frozen helium-4 may be an unusual 'superglass'
May 01, 2009 |
4.2 / 5 (15) |
11
(PhysOrg.com) -- When helium is cooled to around 4 degrees above absolute zero, it turns liquid. Make it a couple of degrees cooler, and it becomes a "superfluid" that flows without resistance from its container, ...
List of search results for oscillator
