News tagged with optical
Nanoimaging in 3-D
Dec 01, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...
Computing with a wave of the hand (w/ Video)
Dec 11, 2009 |
4.9 / 5 (14) |
7
(PhysOrg.com) -- The iPhone’s familiar touch screen display uses capacitive sensing, where the proximity of a finger disrupts the electrical connection between sensors in the screen. A competing approach, ...
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
4.8 / 5 (13) |
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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 ...
A New Method of Estimating Stellar Distances
Dec 21, 2009 |
4.4 / 5 (14) |
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
An easy way to see the world's thinnest material
Nanotechnology / Nanomaterials
Dec 23, 2009 |
4.7 / 5 (10) |
1
It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...
Born in beauty: Proplyds in the Orion Nebula (w/ Video)
Dec 14, 2009 |
4.8 / 5 (9) |
1
(PhysOrg.com) -- A collection of 30 never-before-released images of embryonic planetary systems in the Orion Nebula are the highlight of the longest single Hubble Space Telescope project ever dedicated to ...
Chemists get custom-designed microscopic particles to self-assemble in liquid crystal
Nov 25, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- The scientists anticipate their "LithoParticles" will have significant applications in photonics, optical communications and other areas.
AOptix Technologies and NuCrypt demonstrate physical-layer quantum encryption
Dec 14, 2009 |
4.2 / 5 (5) |
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AOptix Technologies, a leading edge developer of ultra-high bandwidth laser communication solutions, and NuCrypt, a provider of technology for ultra-high security over optical communication networks, disclosed today the recent ...
NASA NuSTAR Telescope Being Built at Nevis
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- It's an unlikely place to build a NASA telescope: a leafy estate in Irvington, N.Y., that once belonged to the son of Alexander Hamilton. Inside a hangar-like building on the site, which is ...
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.
Galaxy Collision Switches on Black Hole
Dec 10, 2009 |
4.5 / 5 (4) |
1
(PhysOrg.com) -- This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970.
Silicon technology offers extended X-ray vision of high-energy cosmos
Space & Earth / Space Exploration
Dec 21, 2009 |
5 / 5 (3) |
1
(PhysOrg.com) -- As elements of the integrated circuits running our computers, phones and electronics, silicon wafers are everywhere. An ESA-led effort is establishing an out-of-this-world use for these ...
RIT astronomer mines Spitzer Space Telescope data for massive starbursts
Dec 08, 2009 |
4.3 / 5 (3) |
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Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...
Space technology optimises windmill efficiency
Dec 07, 2009 |
3.7 / 5 (3) |
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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 ...
Super cool atom thermometer
Dec 07, 2009 |
5 / 5 (2) |
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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 ...
