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Education News
Solar Farms in China Masquerade as Pandas
Dec 1, 2017 — Proudly called the national treasure of China, the giant panda is the rarest member of the bear family. Among the world’s most threatened species, the panda has also become the face of global conservation efforts worldwide. In an effort to represent both China and green energy, two panda-shaped solar farms were built on the mainland … with 98 more planned across China and Asia in the coming years. An artist’s renditition of the panda solar farm in Datong, China.
Quantum Optics Lead to Spectroscopy Method for Measuring on FS Timescale
MOSCOW, Dec. 1, 2017 — Scientists have demonstrated a time-resolved spectroscopy technique that enables the study of very fast processes in samples on the femtosecond (fs) time scale without the need for an fs laser or a complex detection system. The method works by...
Holographic Technique Uses Deep Learning to Increase Accuracy, Improve Microscopy
LOS ANGELES, Nov. 30, 2017 — Researchers are using deep learning, one of the key technologies behind advances in real-time speech recognition and automated image and video labeling, to reconstruct a hologram to form a microscopic image of an object. This convolutional neural...
THz Imaging Uncovers Secrets of 17th-Century Masterpiece
Nov 30, 2017 — There has long been an air of mystery surrounding paintings created prior to the 18th century and how the artists prepared their canvases, applied undercoats and eventually created their masterpieces. Researchers from Georgia Tech-Lorraine, a campus...
Pulsed Laser Irradiation Enhances Nanoplate Properties
KUMAMOTO, Japan, Nov. 29, 2017 — When gold-coated silver nanoplates are irradiated with a pulsed laser, they release silver ions which are known to produce a strong antibacterial effect. Researchers observed that silver nanoparticles (AgNPs) — known to have antibacterial...
Coupling Perovskite to Nanophotonic Cavities for More Efficient Optoelectronics
COLLEGE PARK, Md. and ZÜRICH, Nov. 29, 2017 — To boost the efficiency of perovskite as a light source for optoelectronics, researchers coupled lead halide perovskite nanocrystals to a nanophotonic cavity at room temperature. The research team drop cast perovskite nanocrystals in toluene...
Wave Mixing on Artificial Atom Could Be Used for Building Quantum Electronics
MOSCOW, Nov. 28, 2017 — Scientists have demonstrated quantum wave mixing (QWM) on a single superconducting artificial atom. In their exploration of the different regimes of QWM, they showed that superposed and coherent states of light were mapped into a quantized spectrum...
Optical Whispering Gallery Mode Resonator Spins Light
STATE COLLEGE, Pa., Nov. 22, 2017 — An optical whispering gallery mode resonator developed by Penn State electrical engineers can spin light around the circumference of a tiny sphere millions of times, creating an ultrasensitive microchip-based sensor for multiple applications....
Team Taps Chalcogenide For Flexible Devices
CAMBRIDGE, Mass., Nov. 20, 2017 — A method for making photonic devices that can bend and stretch without damage could find uses in cables to connect computer devices, or in diagnostic and monitoring systems that could be attached to the skin. A new material produced by Juejun Hu and...
Ultrafast Pulses Coherently Control Function in a Living Cell
CHAMPAIGN, Ill., Nov. 17, 2017 — Researchers have used light to excite a light-sensitive channel in the membrane of optogenetic mouse neurons. When the channels were excited, they allowed ions through, which caused the neurons to fire. The researchers say the same technique could...
Handheld Spectrometer Wirelessly Transmits Data to Smartphone
HAIKOU, BEIJING and HANGZHOU, China, Nov. 17, 2017 — A wireless handheld spectrometer that is smartphone-compatible could make it easier and more economical to acquire spectral images of everyday objects and in the future could be used for point-of-care medical diagnosis in remote locations. The...
Bioinspired Approach Could Enhance Solar Cell Light Absorption
KARLSRUHE, Germany, Nov. 16, 2017 — By observing the nanostructures that optimize light absorption on a black butterfly’s wing, researchers were guided to a way to improve light harvesting in thin-film solar cells, potentially increasing light absorption rate in cells by as much...
Autonomous Forklifts use Advanced Computer Vision and Artificial Intelligence
LINCOLN, England, Nov. 14, 2017 — A fleet of autonomous self-optimizing forklift trucks could work alongside human co-workers and automatically adapt to changing work demands. Robotics specialists in the U.K., Sweden, Italy and Germany are working together to bring next generation...
LED-Based UV Light Can Rapidly Convert 3D Printing Polymeric Inks Into Solids
NOTTINGHAM, England, Nov. 14, 2017 — A breakthrough in rapid additive manufacturing that involves UV light solidifying the inks used could pave the way for fully functional 3D printed electronic circuits. Researchers at the University of Nottingham have pioneered the breakthrough and...
Superconducting Nanowire Single-Photon Detector Sets Efficiency Record
SHANGHAI, Nov. 13, 2017 — Researchers have demonstrated the fabrication and operation of a superconducting nanowire single photon detector (SNSPD) with detection efficiency that they believe is the highest on record. The photodetector is made of polycrystalline NbN with...
Visible LEDs Enable Sensor Response Activation at Room Temperature
MOSCOW, Nov. 13, 2017 — Scientists have discovered a mechanism that allows hydrogen sensors to work under visible light, without heating, therefore enabling the sensor to work at room temperature. The discovery, based on nanocrystalline metal oxides, could reduce the...
Humboldt, PicoQuant Host MSCA, BE-OPTICAL Researcher
BERLIN, Nov. 13, 2017 — Humboldt University Berlin and optoelectronics developer PicoQuant are co-hosting an early stage researcher (ESR) within the framework of the Marie Sklodowska-Curie actions (MSCA) of the Innovative Training Networks H2020 BE-OPTICAL training...
Gas Sensors Transfer Easily to Different Substrates Without Degrading Performance
ATLANTA, Nov. 10, 2017 — A transfer technique based on thin layers of boron nitride could allow high-performance gallium nitride gas sensors to be grown on sapphire substrates and then transferred to metallic or flexible polymer support materials. The technique could...
Lightning Awards 'Luminate' Rochester
ROCHESTER, N.Y., Nov. 9, 2017 — Luminate — the world’s largest optics, photonics and imaging (OPI) accelerator focused on advancing next-generation OPI-enabled companies — announced at their Luminate Lightning Awards ceremony the 10 finalists accepted into their...
Microfluidic Platform Performs Screens of Perovskite Nanocrystals
RALEIGH, N.C., Nov. 8, 2017 — ; An automated microfluidic technology has been developed containing a spectrographic monitoring module that collects both fluorescent and absorption data. The module can move along the microfluidic channel, collecting data along the way. The...
Complex States of Light Generated via Metasurface
CAMBRIDGE, Mass., Nov. 7, 2017 — Researchers have designed a method for converting arbitrary spin angular momentum (SAM) states of light into total angular momentum states. This method is characterized by the superposition of independent orbital angular momentum (OAM), and could...
Light-Activated Probe Could Aid Alzheimer’s Drug Development
HOUSTON and CORAL GABLES, Fla., Nov. 6, 2017 — Researchers have developed a probe that lights up when it binds to a misfolded amyloid beta peptide (Aβ), enabling footprinting of this protein, which is a suspected cause of Alzheimer’s disease. The probe was able to identify a specific...
Optical Solution Addresses Interconnect Bottleneck on Silicon Chips
CAMBRIDGE, Mass., Nov. 3, 2017 — A combination light emitter and detector device that is compatible with silicon could help mitigate communications delays resulting from signal leakage between microchip components. The device is made from molybdenum ditelluride (MoTe2), an...
Additive Manufacturing of Titanium Aircraft Parts Uses Direct Metal Laser Sintering
TOMSK, Russia, Nov. 3, 2017 — An additive manufacturing technology that uses direct metal laser sintering enables the printing of titanium aircraft parts with a modified surface layer. Physicists from Tomsk Polytechnic University (TPU) are currently working to create...
One-Step 3D Laser Printing of Catalysts Opens Path to Faster Production of Custom Structures
AMES, Iowa, Nov. 2, 2017 — A 3D laser printing process that creates a chemically active catalytic object in a single step has opened the door to more efficient ways to produce catalysts for complex chemical reactions in a wide scope of industries. While 3D printing has found...
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