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Research & Technology News
Marriage of Microscopy Techniques Reveals Cells’ 3D Ultrastructure
CHEVY CHASE, Md., Jan. 21, 2020 — Scientists at the Howard Hughes Medical Institute (HHMI) have combined superresolution fluorescence microscopy and electron microscopy to shed new light on the structures and organizations within cells. Superresolution fluorescence microscopy on its own is able to show cellular structures with a high degree of clarity and detail, though the technique does have its limits. Only a few of the more than 10,000 proteins in a cell can be revealed, which does not provide researchers with enough
Heuristic Approach Uses Photonics to Solve Complex Problems Fast
CAMBRIDGE, Mass., Jan. 20, 2020 — Researchers at MIT and the Institute of Soldier Nanotechnologies have opened the path to solving NP-complete problems with integrated photonics, by developing a heuristic algorithm dedicated to solving the NP-complete Ising problem using photonics...
Self-Heating in OLEDs Can Cause Decrease in Luminance
DRESDEN, Germany, Jan. 16, 2020 — When LEDs and transistors are connected in parallel, even slight differences in resistance can lead to imbalanced current flow. If the devices heat up, this can lead to even greater imbalances. This is especially true for OLEDs. A large-area OLED...
Majorana: The So-Called Angel Particle Was Not Discovered
UNIVERSITY PARK, Pa., Jan. 16, 2020 — A research team at Penn State, partnering with the University of Würzburg in Germany, has flagged a 2017 discovery of Majorana fermion as a false alarm. An exotic quantum state known as a “chiral Majorana fermion” is predicted in...
Tuned Resonators Allow Control of Electromagnetically Induced Transparency
ST. LOUIS, Jan. 16, 2020 — Researchers at Washington University in St. Louis have devised an optical resonator system that can be used to turn transparency on and off. The ability to manipulate electromagnetically induced transparency (EIT) without the introduction of an...
Diabetic Smart Contact Lenses Developed by South Korean Research Team
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.
Scientists Analyze Final Images from Cassini
LANCASTER, England, Jan. 15, 2020 — Toward the completion of its 13-year mission, which ended in September 2017, the Cassini spacecraft performed a set of orbits that brought it closer to Saturn than ever before. By passing over the planet’s polar regions at a low altitude,...
Colloidal QD Breakthrough Could Lead to Manufacturing-friendly Laser
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. The researchers...
CAREER Award Recipient to Explore Potential of Promising New Material in Optoelectronic Applications
TROY, N.Y., Jan. 14, 2020 — Sufei Shi, an assistant professor of chemical and biological engineering at Rensselaer Polytechnic Institute (RPI), is the recipient of the CAREER grant award. The National Science Foundation Faculty Early Career Development Program (CAREER) grant...
New Rules Reveal How an Object’s Scale Affects Its Interaction with Light
PRINCETON, N.J., Jan. 14, 2020 — Princeton researchers have uncovered rules pertaining to how objects absorb and emit light. Their discovery addresses how the scale of an object affects the way it interacts with light. The new rules will tell scientists how much infrared (IR) light...
Deep Learning Speeds 3D Microscopic Neuroimaging
AUSTIN, Texas, and SAN DIEGO, Jan. 14, 2020 — Using deep learning techniques, researchers from the Salk Institute have developed a new microscopy approach that could make microscopic techniques used for brain imaging 16 times faster. The researchers trained their deep learning system using data...
LED Lighting Provides Energy Efficiency, But Needs Standards
NEW BRUNSWICK, N.J., Jan. 14, 2020 — With the growing popularity of LED lighting, scientists are looking to study its effects on plant growth. However, a lack of standards has made studies unreliable. While LED lighting can enhance plant growth in greenhouses, standards are needed to...
Quantum Loop Provides Testbed for Unhackable Communications
CHICAGO, Jan. 13, 2020 — Scientists from the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago (UChicago) have launched a quantum loop, consisting of two connected, 26-mile fiber optic cables that run between Argonne and the...
Using Microwave Metamaterials in Machine Learning Speeds Object Recognition
DURHAM, N.C., Jan. 13, 2020 — A new approach to object identification, developed by researchers at Duke University and the Institut de Physique de Nice (INPHYNI), enables joint learning of optimal measurement strategies and a matching processing algorithm, and uses inferred...
Microresonator Measures and Images Nanoparticles with High Degree of Sensitivity
ONNA, Japan, Jan. 13, 2020 — Scientists at the Okinawa Institute of Science and Technology (OIST) Graduate University have developed a light-based device that can act as a biosensor, detecting biological substances in materials, such as harmful pathogens in food. The scientists...
Active Thermal Detection Could Broaden Use of Superresolution Techniques
DAEJEON, South Korea, Jan. 10, 2020 — Be it light, sound, or an electromagnetic wave, a probe beam operates the same way — the beam gets sent ahead and a wave of the same nature is reflected back. The absorbed energy is converted to heat, for which there has been no perceived use...
NIST Proposes New Definition for Optical Watt
GAITHERSBURG, Md., Jan. 9, 2020 — Researchers at the National Institute of Standards and Technology (NIST) seek to develop a more precise definition for the standard unit of light power, the optical watt. Instead of the current definition, which is based on comparisons to electrical...
Field Tests Measuring Solar Panel Performance Could Help Improve PV Technology
MÜLHEIM AN DER RUHR, Germany, Jan. 9, 2020 — In a series of field tests performed at the Max Planck Institute for Chemical Energy Conversion (MPI-CEC), key parameters in solar panel performance were measured to gather data that can be used for choosing the most appropriate panel option for...
2-Photon Microscopy Shows Learning Involves Various Areas of Brain
BALTIMORE, Jan. 8, 2020 — To explore how learning and memory-building take place in the brain, scientists at Johns Hopkins University School of Medicine used a laser-assisted imaging tool to monitor and measure levels of AMPAR molecules, which help send messages between...
Nano-antennas Developed for Data Transfer at Light Speed
WÜRZBURG, Germany, Jan. 8, 2020 — Researchers from the University of Würzburg have developed an electrically driven nanoscale antenna that generates directed infrared light. The technology could be used to exchange data between different processor cores with little loss and at...
Laser Pulse Creates Nonlinear Effects in Amorphous Dielectric Material
ATLANTA, Jan. 8, 2020 — A new, all-optical technique for creating second-order nonlinear effects in materials that normally do not support them could lead to new options for creating these effects for optical computers, high-speed data processors, and bioimaging. A...
Quantum Dots Deliver Vaccines, Encode Vaccination History in the Skin
CAMBRIDGE, Mass., Jan. 7, 2020 — Using fluorescent quantum dots, an MIT research team has created a way to administer vaccinations and record a patient’s vaccination history in the skin. The researchers developed a microneedle platform that can selectively deliver...
Osram, Rinspeed to Debut Modular Electric Vehicle at CES 2020
LAS VEGAS, Jan. 6, 2020 — Osram Opto Semiconductors Inc., a global high-tech lighting company, announced it is the exclusive lighting supplier for Rinspeed’s concept vehicle, MetroSnap, debuting at CES 2020. This is the fourth consecutive year that Osram has supported...
New Nano-Barrier for Composite Material Could Strengthen Spacecraft Payloads
GUILDFORD, England, Jan. 6, 2020 — Researchers at the University of Surrey have developed a robust nano-barrier for carbon fiber reinforced polymers (CFRPs) that could be used to strengthen and stabilize high-precision instrument structures for space missions. CFRPs are used in...
Chip-Based Optical Sensor Detects Cancer Biomarker in Urine
ENSCHEDE, Netherlands, Jan. 6, 2020 — Researchers from the University of Twente have used a chip-based sensor with an integrated laser to detect low levels of a cancer protein biomarker in a urine sample. The technology is more sensitive than previous designs and could lead to...
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