(Phys.org) —The new material's artificial "atoms" are designed to work with a broad range of light frequencies. With adjustments, the researchers believe it could lead to perfect microscope lenses or invisibility cloaks.
Optics & Photonics
May 7, 2013
3
0
(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
Electronics & Semiconductors
May 3, 2013
19
0
The application of light for information processing opens up a multitude of possibilities. However, to be able to adequately use photons in circuits and sensors, materials need to have particular optical and mechanical properties. ...
Optics & Photonics
Apr 11, 2013
1
0
Commercial laser printers typically produce pin-sharp images with spots of ink about 20 micrometers apart, resulting in a resolution of 1,200 dots per inch (dpi). By shrinking the separation to just 250 nanometers—roughly ...
Nanophysics
Apr 11, 2013
0
0
Enormous amounts of energy are wasted in greenhouses where our food is grown as a result of the plants receiving too much and the wrong kind of light. This can also stress and damage the plants. Researchers at Chalmers University ...
Plants & Animals
Apr 8, 2013
3
3
Turning on new satellite instruments is like opening new eyes. This week, the Landsat Data Continuity Mission (LDCM) released its first images of Earth, collected at 1:40 p.m. EDT on March 18. The first image shows the meeting ...
Earth Sciences
Mar 21, 2013
0
0
(Phys.org) —Looking up through hundreds of colored filters and spectral glasses, 526 people shattered the record for the Largest Astronomy Lesson. Under the Texas night sky, students were instructed on the lawn of the Long ...
Space Exploration
Mar 14, 2013
0
0
(Phys.org)—Can windows, tablets and e readers turn light into power? Can a surface coated with solar cells take sunlight and the glow of bulbs and change them into energy? As reported in Technology Review, expert scientists ...
(Phys.org)—Researchers from North Carolina State University have developed a way to melt or "weld" specific portions of polymers by embedding aligned nanoparticles within the materials. Their technique, which melts fibers ...
Nanomaterials
Feb 21, 2013
1
0
A pulsar that is able, without warning, to dramatically change the way in which it shines has been identified by an international team of astronomers.
Astronomy
Jan 24, 2013
25
0
