Technology

Technology News -- ScienceDaily Technology news. Read articles on new gadgets and prototypes for future technology from leading research institutes around the world.

  • Physics treasure hidden in a wallpaper pattern
    on July 19, 2018 at 8:50 pm

    An international team of scientists has discovered a new, exotic form of insulating material with a metallic surface that could enable more efficient electronics or even quantum computing. The researchers developed a new method for analyzing existing chemical compounds that relies on the mathematical properties like symmetry that govern the repeating patterns seen in everyday wallpaper. […]

  • Mobile phone radiation may affect memory performance in adolescents, study finds
    on July 19, 2018 at 4:18 pm

    Radiofrequency electromagnetic fields may have adverse effects on the development of memory performance of specific brain regions exposed during mobile phone use, suggests a recent study involving nearly 700 adolescents in Switzerland. […]

  • Moving closer to completely optical artificial neural network
    on July 19, 2018 at 2:48 pm

    Researchers have shown that it is possible to train artificial neural networks directly on an optical chip. […]

  • Future electronic components to be printed like newspapers
    on July 19, 2018 at 2:48 pm

    A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices. […]

  • Engineers develop world's most efficient semiconductor for thermal management
    on July 19, 2018 at 1:44 pm

    Working to address 'hotspots' in computer chips that degrade their performance, engineers have developed a new semiconductor material, defect-free boron arsenide, that is more effective at drawing and dissipating waste heat than any other known semiconductor or metal materials. […]

  • Puzzling results explained: A multiband approach to Coulomb drag and indirect excitons
    on July 19, 2018 at 1:44 pm

    A new theoretical study explains previous mystifying experimental results, in which coupled charged particles moved in exactly the opposite direction to that predicted. This apparently contradictory phenomenon is associated with the bandgap in dual-layer graphene structures, a bandgap which is very much smaller than in conventional semiconductors. […]

  • Transmission of specific colors of light over long distances
    on July 17, 2018 at 3:24 pm

    Researchers have reached a new milestone on the way to optical computing, or the use of light instead of electricity for computing. They explored a new way to select and send light of a specific color using long silicon wires that are several hundred nanometers in diameter and their work enabled a new type of nanoscale ''light switch'' that can turn on and off the transmission of one color of light over very long distances. […]

  • Researchers make and test atom-thick boron's unique domains
    on July 16, 2018 at 8:45 pm

    Defects are often observed when making borophene, the single-atom form of boron, but unlike in other two-dimensional materials, these mismatched lattices can assemble into ordered structures that preserve the material's metallic nature and electronic properties. […]

  • Electronic stickers to streamline large-scale 'Internet of things'
    on July 16, 2018 at 8:45 pm

    Researchers have developed a new fabrication method that makes tiny, thin-film electronic circuits peelable from a surface. The technique not only eliminates several manufacturing steps and the associated costs, but also allows any object to sense its environment or be controlled through the application of a high-tech sticker. […]

  • A step closer to quantum computers: Researchers show how to directly observe quantum spin effects
    on July 16, 2018 at 2:35 pm

    Scientists have found a practical way to observe and examine the quantum effects of electrons in topological insulators and heavy metals. This could later pave the way for the development of advanced quantum computing components and devices. […]

  • Electrical contact to molecules in semiconductor structures established for the first time
    on July 12, 2018 at 2:04 pm

    Electrical circuits are constantly being scaled down and extended with specific functions. A new method now allows electrical contact to be established with simple molecules on a conventional silicon chip. The technique promises to bring advances in sensor technology and medicine. […]

  • Using light for next-generation data storage
    on July 11, 2018 at 1:31 pm

    Tiny, nano-sized crystals of salt encoded with data using light from a laser could be the next data storage technology of choice, following new research. […]

  • Underlying mechanism discovered for magnetic effect in superconducting spintronics
    on July 10, 2018 at 3:34 pm

    Superconductor-ferromagnet structures are widely regarded as the building blocks of superconducting spintronic technology. More conventional spintronic devices typically require large currents, so researchers are investigating the viability of low-resistance superconductors. Their new results could answer longstanding questions about how SF structures interact. […]

  • Conductive property of graphene, advancing promise of solar technology
    on July 10, 2018 at 2:16 pm

    Researchers have connected a graphene layer with two other atomic layers (molybdenum diselenide and tungsten disulfide) thereby extending the lifetime of excited electrons in graphene by several hundred times. The work may speed development of ultrathin and flexible solar cells with high efficiency. […]

  • Biosensor chip detects single nucleotide polymorphism wirelessly, with higher sensitivity
    on July 9, 2018 at 6:21 pm

    Scientists have developed a chip that can detect a type of genetic mutation known as a single nucleotide polymorphism (SNP) and send the results in real time to an electronic device. The chip is at least 1,000 times more sensitive at detecting an SNP than current technology. The advance could lead to cheaper, faster and portable biosensors for early detection of genetic markers for diseases such as cancer. […]

  • Generating electrical power from waste heat
    on July 9, 2018 at 4:01 pm

    Researchers have developed a tiny silicon-based device that can harness what was previously called waste heat and turn it into DC power. […]

  • Smart bandages designed to monitor and tailor treatment for chronic wounds
    on July 6, 2018 at 1:17 pm

    A team of engineers has developed a prototype bandage designed to actively monitor the condition of chronic wounds and deliver appropriate drug treatments to improve the chances of healing. While the lab-tested bandages remain to be assessed in a clinical context, the research is aimed at transforming bandaging from a traditionally passive treatment into a more active paradigm to address a persistent and difficult medical challenge. […]

  • High-power thermoelectric generator utilizes thermal difference of only 5ºC
    on July 6, 2018 at 1:17 pm

    Researchers have designed and successfully developed a high-power, silicon-nanowire thermoelectric generator which, at a thermal difference of only 5ºC, could drive various IoT devices autonomously in the near future. […]

  • Ultra-thin sensor makes inflammation testing and curing 30 times faster
    on July 6, 2018 at 1:16 pm

    Researchers have developed a real-time ultraflexible sensor that makes inflammation testing and curing 30 times faster. […]

  • Heat-conducting crystals could help computer chips keep their cool
    on July 5, 2018 at 6:43 pm

    As consumers demand smaller, faster and more powerful electronic devices that draw more current and generate more heat, the issue of heat management is reaching a bottleneck. Researchers have created a potential solution -- boron arsenide crystals with high thermal conductivity, which might be used in future electronics to help keep devices from overheating. […]

  • Semiconductor quantum transistor opens the door for photon-based computing
    on July 5, 2018 at 6:38 pm

    Researchers have demonstrated the first single-photon transistor using a semiconductor chip. […]

  • New world record for direct solar water-splitting efficiency
    on July 5, 2018 at 3:40 pm

    An international team of researchers has now succeeded in raising the efficiency of producing hydrogen from direct solar water-splitting to a record 19 per cent. They did so by combining a tandem solar cell of III-V semiconductors with a catalyst of rhodium nanoparticles and a crystalline titanium dioxide coating. […]

  • Merging antenna and electronics boosts energy and spectrum efficiency
    on July 5, 2018 at 3:00 pm

    By integrating the design of antenna and electronics, researchers have boosted the energy and spectrum efficiency for a new class of millimeter wave transmitters, allowing improved modulation and reduced generation of waste heat. The result could be longer talk time and higher data rates in millimeter wave wireless communication devices for future 5G applications. […]

  • Test tube artificial neural network recognizes 'molecular handwriting'
    on July 4, 2018 at 5:53 pm

    Scientists have developed an artificial neural network out of DNA that can recognize highly complex and noisy molecular information. […]

  • High performance nitride semiconductor for environmentally friendly photovoltaics
    on July 3, 2018 at 3:00 pm

    A research team has shown how n-type and p-type copper nitride semiconductors could potentially replace the conventional toxic or rare materials in photovoltaic cells. […]

  • Scientists pump up chances for quantum computing
    on July 3, 2018 at 3:00 pm

    New research has moved the world one step closer to reliable, high-performance quantum computing. A ground-breaking single-electron "pump" device developed by researchers can produce one billion electrons per second and uses quantum mechanics to control them one by one. […]

  • Versatile ultrasound system could transform how doctors use medical imaging
    on July 2, 2018 at 5:00 pm

    A new ultrasound system that uses optical, instead of electronic components, could improve performance while giving doctors significantly more flexibility in how they use ultrasound to diagnose and treat medical problems. […]

  • Simple logic for nanofluidic computing simulated
    on June 29, 2018 at 3:47 pm

    Invigorating the idea of computers based on fluids instead of silicon, researchers have shown how computational logic operations could be performed in a liquid medium by simulating the trapping of ions (charged atoms) in graphene (a sheet of carbon atoms) floating in saline solution. The scheme might also be used in applications such as water filtration, energy storage or sensor technology. […]

  • New technology enables man to hold his granddaughter again
    on June 29, 2018 at 2:26 pm

    In the first known study of how amputees use advanced sensory-enabled prostheses outside the lab, subjects used a mechanical hand more regularly and for longer periods of time compared to traditional prostheses -- and also reported a greater sense of psychosocial well-being. […]

  • Injectable electronics offer powerful new tool in understanding how retinal cells work
    on June 28, 2018 at 7:17 pm

    For decades, scientists hoping to understand how the retina interprets visual input have often had to resort to invasive techniques to dissect the retina from the animal in an effort to record the cells' activity, but a new system could make it possible to track the firing patterns of dozens of cells chronically in awake animals. […]