Nagoya University researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses.
At CES, LG Display is showing off a 65-inch concept TV that can bend at the edges, allowing it to switch from a flat-screen display to a curved one in about five seconds. The company also put a bendable OLED on a foldable tablet/laptop.
Styrofoam or copper—both materials have very different properties with regard to their ability to conduct heat. Scientists at the Max Planck Institute for Polymer Research (MPI-P) in Mainz and the University of Bayreuth have now jointly developed and characterized a novel, extremely thin and transparent material that has different thermal conduction properties depending on the direction. While it can conduct heat extremely well in one direction, it shows good thermal insulation in the other direction.
Thermal insulation and thermal conduction play a crucial role in our everyday lives—from computer processors, where it is important to dissipate heat as quickly as possible, to houses, where good insulation is essential for energy costs. Often extremely light, porous materials such as polystyrene are used for insulation, while heavy materials such as metals are used for heat dissipation. A newly developed material, which scientists at the MPI-P have jointly developed and characterized with the University of Bayreuth, can now combine both properties.
The material consists of alternating layers of wafer-thin glass plates between which individual polymer chains are inserted. “In principle, our material produced in this way corresponds to the principle of double glazing,” says Markus Retsch, Professor at the University of Bayreuth. “It only shows the difference that we not only have two layers, but hundreds.”
POHANG, South Korea, Jan. 15, 2020 — A research team from Pohang University of Science and Technology in South Korea (POSTECH) developed technology that allows diagnosis of diabetes and treatment of diabetic retinopathy by wearing smart light-emitting diode (LED) contact lenses.
A startup focused on “invisible computing” Thursday unveiled a smart contact lens which delivers an augmented reality display in a user’s field of vision.
The Mojo Vision contact lens offers a display with information and notifications, and allows the user to interact by focusing on certain points.
The rigid contact lens, which the company has been developing in stealth mode for some 10 years, may also be used to help people with visual impairments by using enhanced image overlays, and has obtained US approval for testing it as a medical device.
With 360 video, IEEE Spectrum takes you behind the scenes with one of the world’s first drone-delivery companies. Zipline, based in California, is using drones to deliver blood to hospitals throughout Rwanda. At an operations center in Muhanga, you’ll watch as Zipline technicians assemble the modular drones, fill their cargo holds, and launch them via catapult. You’ll see a package float down from the sky above a rural hospital, and you’ll get a closeup look at Zipline’s ingenious method for capturing returning drones.
You can follow the action in a 360-degree video in three ways: 1) Watch on your computer, using your mouse to click and drag on the video; 2) watch on your phone, moving the phone around to change your view; or 3) watch on a VR headset for the full immersive experience.
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The chess world was amazed when the computer algorithm AlphaZero learned, after just four hours on its own, to beat the best chess programs built on human expertise. Now a research group at Aarhus University in Denmark has used the very same algorithm to control a quantum computer.
All across the world, numerous research groups are attempting to build a quantum computer. Such a computer would be able to solve certain problems that cannot be solved with current classical computers, even if we combined all these computers in the world into one.
At Aarhus University, researchers share the ambition of building a quantum computer. For this reason, a research group under the direction of Professor Jacob Sherson has just used the computer algorithm AlphaZero to learn to control a quantum system.
LOS ALAMOS, N.M., Jan. 15, 2020 — Scientists at Los Alamos National Laboratory have incorporated meticulously engineered colloidal quantum dots into a new type of LED containing an integrated optical resonator, which allows the LEDs to function as lasers.
