Search results for laser:
Does weak equivalence break down at the quantum level?
Dec 08, 2009 |
4.5 / 5 (24) |
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(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...
Scientists Generate Black Hole Radiation in the Lab
Dec 07, 2009 |
4.3 / 5 (23) |
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(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...
Turning metal black more than just a novelty
Dec 08, 2009 |
4.6 / 5 (18) |
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(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.4 / 5 (9) |
2
(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
Flight of fancy: MIT autonomous mini-helicopter solves one tough challenge
Dec 03, 2009 |
4.6 / 5 (13) |
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In its first 18 years, the Association for Unmanned Vehicle Systems International’s annual aerial-robotics competition posed four successive challenges, which robotics researchers had to meet using entirely ...
Fruit fly neuron can reprogram itself after injury
Medicine & Health / Neuroscience
Dec 06, 2009 |
5 / 5 (4) |
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Studies with fruit flies have shown that the specialized nerve cells called neurons can rebuild themselves after injury.
Research is shattering traditioinal notions of laser limits
Dec 07, 2009 |
5 / 5 (2) |
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Air Force Office of Scientific Research and National Science Foundation-funded professor, Dr. Xiang Zhang has demonstrated at the University of California, Berkeley the world's smallest semiconductor laser, ...
New laser -- it's a gas, gas, gas... sensor
Dec 04, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.
Space technology optimises windmill efficiency
Dec 07, 2009 |
3 / 5 (2) |
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(PhysOrg.com) -- A French start-up company from ESA's Business Incubation Centre in the Netherlands has developed a small instrument to measure wind speed and direction from the ground up to heights of 200 ...
I see your pain
Medicine & Health / Neuroscience
Dec 03, 2009 |
4.5 / 5 (2) |
1
(PhysOrg.com) -- How can some sportsmen and women, in the heat of the moment, play on through pain that would floor anyone else? Bert Trautmann, the Manchester City goalkeeper, famously played on through to ...
