News tagged with light signals
Biochip-based device for cell analysis
(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according ...
Chemistry / Analytical Chemistry
May 30, 2012 |
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Physicists store short movies in an atomic vapor
The storage of light-encoded messages on film and compact disks and as holograms is ubiquitous---grocery scanners, Netflix disks, credit-card images are just a few examples. And now light signals can be stored ...
May 29, 2012 |
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EU physicists use 20 new satellites to forecast space weather
The northern lights interfere with radio communications, GPS navigation and satellite communications. Researchers are now going to launch 20 satellites containing world class instruments from the University ...
Space & Earth / Space Exploration
May 14, 2012 |
3 / 5 (2) |
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Record-breaking radio waves discovered from ultra-cool star
Penn State University astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, ...
Apr 30, 2012 |
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Astronomers detect coolest radio star
(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...
Apr 18, 2012 |
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Researchers discover new quantum encryption method to foil hackers
A research team led by University of Toronto Professor Hoi-Kwong Lo has found a new quantum encryption method to foil even the most sophisticated hackers. The discovery is outlined in the latest issue of Physical Review Le ...
Apr 02, 2012 |
4.8 / 5 (10) |
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Novel plasmonic material may merge photonic and electronic technologies
Helping bridge the gap between photonics and electronics, researchers from Purdue University have coaxed a thin film of titanium nitride into transporting plasmons, tiny electron excitations coupled to light ...
Mar 27, 2012 |
3.9 / 5 (9) |
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Researchers develop new method for the production of microlenses
Inspired from Mother Nature: The body of the brittlestar Ophiocoma wendtii is studded with tiny crystalline lenses made of calcium carbonate. Microlenses like these are of great interest technologically, yet th ...
Mar 26, 2012 |
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NTT researchers develop breakthrough optical memory device
(PhysOrg.com) -- To improve transmission speeds, the Internet has transitioned over the years from one using copper to fiber optic cabling. Unfortunately, this has caused a bottleneck to occur where the light ...
Feb 27, 2012 |
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Finding explosives with laser beams
Scientists at Vienna University of Technology have found a way to detect chemicals over long distances, even if they are enclosed in containers.
Feb 27, 2012 |
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Ultra-fast photodetector and terahertz generator
Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...
Jan 31, 2012 |
5 / 5 (9) |
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JQI cool nano loudspeakers could makes for better MRIs, quantum computers
(PhysOrg.com) -- A team of physicists from the Joint Quantum Institute (JQI), the Neils Bohr Institute in Copenhagen, Denmark, and Harvard University has developed a theory describing how to both detect weak ...
Jan 25, 2012 |
4.8 / 5 (4) |
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A new way to measure Earth's magnetosphere
US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.
Space & Earth / Earth Sciences
Jan 04, 2012 |
5 / 5 (2) |
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High-speed CMOS sensors provide better images
Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...
Jan 03, 2012 |
4.9 / 5 (8) |
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55": LG announces world's largest OLED TV panel
LG Display announced that it has developed the world's largest 55-inch OLED (Organic Light Emitting Diodes) TV panel. The 55-inch panel is a significant step forward in the popularization of OLED TVs and demonstrates ...
Electronics / Consumer & Gadgets
Dec 27, 2011 |
4.4 / 5 (16) |
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