Will carbon nanotubes replace indium tin oxide?
Quantum dots as midinfrared emitters
Engineers' nanoantennas improve infrared sensing
(Phys.org) —A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared ...
Cutting light with a comb
(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.
New technique for visualizing blood flow involves carbon nanotubes and lasers
(Phys.org)—Stanford scientists have developed a fluorescence imaging technique that allows them to view the pulsing blood vessels of living animals with unprecedented clarity. Compared with conventional ...
Exotic metamaterials will change optics
Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will.
Scientists invent long-lasting, near infrared-emitting material
Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little ...
Measurement of 'hot' electrons could have solar energy payoff
(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...
Research finds 'tunable' semiconductors will allow better detectors, solar cells
(Phys.org) —One of the great problems in physics is the detection of electromagnetic radiation – that is, light – which lies outside the small range of wavelengths that the human eye can see. Think X-rays, for example, ...
Mapping the chemistry needed for life at Europa
(Phys.org) —A new paper led by a NASA researcher shows that hydrogen peroxide is abundant across much of the surface of Jupiter's moon Europa. The authors argue that if the peroxide on the surface of Europa ...
Saturn is like an antiques shop, Cassini suggests
(Phys.org) —A new analysis of data from NASA's Cassini spacecraft suggests that Saturn's moons and rings are gently worn vintage goods from around the time of our solar system's birth.
Herschel space observatory to finish observing soon
(Phys.org) —ESA's Herschel space observatory is expected to exhaust its supply of liquid helium coolant in the coming weeks after spending more than three exciting years studying the cool Universe.
Researchers develop simplified approach for high-power, single-mode lasers
(Phys.org)—When it comes to applications like standoff sensing—using lasers to detect gas, explosives, or other materials from a safe distance—the laser's strength is of the utmost importance. A stronger ...
Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.