News tagged with optical disc
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Search results for optical disc
Research is shattering traditioinal notions of laser limits
7 hours ago |
5 / 5 (2) |
1
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, ...
Super cool atom thermometer
9 hours ago |
not rated yet |
0
As physicists strive to cool atoms down to ever more frigid temperatures, they face the daunting task of developing new, reliable ways of measuring these extreme lows. Now a team of physicists has devised ...
Brightness variations of sun-like stars: The mystery deepens
15 hours ago |
4.3 / 5 (8) |
6
(PhysOrg.com) -- An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one ...
Space technology optimises windmill efficiency
16 hours ago |
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 ...
Using lasers to cool and manipulate molecules
17 hours ago |
5 / 5 (6) |
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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 ...
NASA to launch sky-mapping spacecraft
Dec 06, 2009 |
5 / 5 (4) |
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(AP) -- NASA's latest space telescope will scan the sky in search of never-before-seen asteroids, comets, stars and galaxies, with one of its main tasks to catalog objects posing a danger to Earth. The sky-mapping ...
Studying a Star Before it is Born
Dec 04, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...
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 ...
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.
Nature's fine designs: Scientists find modern lessons in ancient creations
Dec 04, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Nature and its bottom-up processes for creating robust and responsive materials are inspiring new generations of synthetic materials and creative design.
List of search results for optical disc
