|Top Technology News -- ScienceDaily
Wed, 17 Oct 2018 07:53:02 EDT
New method to address deep-seated biases in science
Tue, 16 Oct 2018 15:07:25 EDT
A new statistical method that tests for equivalence, rather than difference, has a role to play in dismantling gender and publication biases in science. The authors believe the technique has broad applicability across disciplines and can help remove publication bias against ''negative results,'' opening the door to a broader investigation of natural phenomena.
When it comes to smartphone lifespan, brand name matters more than hardware
Tue, 16 Oct 2018 14:24:34 EDT
The environmental costs of smartphones are often exacerbated by the relatively short lifespans of these globally ubiquitous devices. When it comes to extending the lifespan of these products, brand name might be more important than repairability, a new study finds.
Renewable energy is common ground for Democrats and Republicans
Tue, 16 Oct 2018 14:24:31 EDT
While conservatives and liberals tend to disagree on many environmental issues, they both view the development of solar power and other forms of renewable energy as financially savvy and a step towards self-sufficiency.
New, durable catalyst for key fuel cell reaction may prove useful in eco-friendly vehicles
Tue, 16 Oct 2018 13:20:35 EDT
A new catalyst exceeds Department of Energy targets for performing the oxygen reduction reaction, a key step in generating an electric current in a hydrogen fuel cell.
Looking and listening for signals of navy test explosions off Florida coast
Tue, 16 Oct 2018 13:20:30 EDT
Underwater explosions detonated by the US Navy to test the sturdiness of ships' hulls have provided seismologists with a test opportunity of their own: how much can we know about an underwater explosion from the seismic and acoustic data it generates?
All in the family: Kin of gravitational wave source discovered
Tue, 16 Oct 2018 13:20:24 EDT
According to new research, an object named GRB150101B -- first reported as a gamma-ray burst in 2015 -- shares remarkable similarities with GW170817, the neutron star merger discovered by LIGO and observed by multiple light-gathering telescopes in 2017. The new analysis suggests that these two separate objects may in fact be directly related.
Public opinion on GMOs might impact similar technologies in stores
Tue, 16 Oct 2018 13:20:12 EDT
Researchers have found that an individual's perception of genetically modified organisms might impact their judgments about whether or not nanotechnology-enabled products should be labeled in stores.
Simple stickers may save lives of patients, athletes and lower medical costs
Tue, 16 Oct 2018 13:20:09 EDT
Researchers have created wearable medical electronic devices that someone can easily attach to their skin. The devices are made out of paper to lower the cost of personalized medicine.
New memristor boosts accuracy and efficiency for neural networks on an atomic scale
Tue, 16 Oct 2018 13:19:47 EDT
Hardware that mimics the neural circuitry of the brain requires building blocks that can adjust how they synapse. One such approach, called memristors, uses current resistance to store this information. New work looks to overcome reliability issues in these devices by scaling memristors to the atomic level. Researchers demonstrated a new type of compound synapse that can achieve synaptic weight programming and conduct vector-matrix multiplication with significant advances over the current state of the art.
New reservoir computer marks first-ever microelectromechanical neural network application
Tue, 16 Oct 2018 13:19:40 EDT
A group of researchers reports the construction of the first reservoir computing device built with a microelectromechanical system. The neural network exploits the nonlinear dynamics of a microscale silicon beam to perform its calculations. The group's work looks to create devices that can act simultaneously as a sensor and a computer using a fraction of the energy a normal computer would use.
Satellite tech to create more effective, 'true' shark sanctuaries
Tue, 16 Oct 2018 13:19:38 EDT
When they first set out to follow grey reef sharks around the Republic of the Marshall Islands (RMI), researchers intended to survey their movement in the protected waters there. What they found was a disturbing development for the Pacific island nation.
Automated system identifies dense tissue, a risk factor for breast cancer, in mammograms
Tue, 16 Oct 2018 13:19:33 EDT
Researchers have developed an automated model that assesses dense breast tissue in mammograms -- which is an independent risk factor for breast cancer -- as reliably as expert radiologists. This marks the first time a deep-learning model of its kind has successfully been used in a clinic on real patients, according to the researchers. With broad implementation, the researchers hope the model can help bring greater reliability to breast density assessments across the nation.
A stabilizing influence enables lithium-sulfur battery evolution
Tue, 16 Oct 2018 11:01:23 EDT
A new approach to making the sulfur cathodes in lithium-sulfur batteries, could preserve their impressive energy density -- clearing a significant hurdle that had blocked their widespread use for more than a decade.
Exploring new spintronics device functionalities in graphene heterostructures
Tue, 16 Oct 2018 11:01:02 EDT
Graphene Flagship researchers have shown how heterostructures built from graphene and topological insulators have strong, proximity induced spin-orbit coupling which can form the basis of novel information processing technologies.
Guidelines for a standardized data format for use in cross-linguistic studies
Tue, 16 Oct 2018 09:44:25 EDT
An international team of researchers has set out a proposal for new guidelines on cross-linguistic data formats, in order to facilitate sharing and data comparisons between the growing number of large linguistic databases worldwide. This format provides a software package, a basic ontology and usage examples.
Technique quickly identifies extreme event statistics
Mon, 15 Oct 2018 15:06:49 EDT
Engineers have developed an algorithm that quickly pinpoints the types of extreme events that are likely to occur in a complex system, such as an ocean environment, where waves of varying magnitudes, lengths, and heights can create stress and pressure on a ship or offshore platform. The researchers can simulate the forces and stresses that extreme events -- in the form of waves -- may generate on a particular structure.
High entropy alloys hold the key to studying dislocation avalanches in metals
Mon, 15 Oct 2018 14:15:11 EDT
For decades researchers have studied materials from structures to see why and how they fail. Before catastrophic failure, there are individual cracks or dislocations that form, which are signals that a structure may be weakening. While researchers have studied individual dislocations in the past, a team has now made it possible to understand how dislocations organize and react at nanoscale.
Applying auto industry's fuel-efficiency standards to agriculture could net billions
Mon, 15 Oct 2018 12:09:07 EDT
Adopting benchmarks similar to the fuel-efficiency standards used by the auto industry in the production of fertilizer could yield $5-8 billion in economic benefits for the U.S. corn sector alone, researchers have concluded.
New model helps define optimal temperature and pressure to forge nanoscale diamonds
Mon, 15 Oct 2018 12:09:04 EDT
To forge nanodiamonds, which have potential applications in medicine, optoelectronics and quantum computing, researchers expose organic explosive molecules to powerful detonations in a controlled environment. These explosive forces, however, make it difficult to study the nanodiamond formation process. To overcome this hurdle, researchers recently developed a procedure and a computer model that can simulate the highly variable conditions of explosions on phenomenally short time scales.
New smart watch algorithms can help identify why you are sleeping poorly
Mon, 15 Oct 2018 12:08:59 EDT
New algorithms take advantage of multiple smart watch sensors to accurately monitor wearers' sleep patterns. As well as obtaining rich information on wearers' sleep, the software, called SleepGuard, can estimate sleep quality and provide users with practical advice to help them get a better night's snooze.
Finding better drug 'fits,' avoiding medication tragedies like thalidomide
Mon, 15 Oct 2018 12:08:56 EDT
Researchers, including chemistry professor and Nobel Prize winner Ei-ichi Negishi, have developed technology to create a new chemical process to synthesize drug-like molecules with ultra-high purity.
Discovery of an atomic electronic simulator
Mon, 15 Oct 2018 12:08:53 EDT
Targeting applications like neural networks for machine learning, a new discovery is paving the way for atomic ultra-efficient electronics, the need for which is increasingly critical in our data-driven society. The key to unlocking untold potential for the greenest electronics? Creating bespoke atomic patterns to in turn control electrons.
The state of the early universe: The beginning was fluid
Mon, 15 Oct 2018 11:35:45 EDT
Scientists recently collided Xenon nuclei, in order to gain new insights into the properties of the Quark-Gluon Plasma (the QGP). The QGP is a special state consisting of the fundamental particles, the quarks, and the particles that bind the quarks together, the gluons. The result was obtained using the ALICE experiment at the superconducting Large Hadron Collider.
Security vulnerabilities in terahertz data links
Mon, 15 Oct 2018 11:35:39 EDT
Scientists have assumed that future terahertz data links would have an inherent immunity to eavesdropping, but new research shows that's not necessarily the case.
Biomaterials with 'Frankenstein proteins' help heal tissue
Mon, 15 Oct 2018 11:35:35 EDT
Biomedical engineers have demonstrated that, by injecting an elastic biomaterial made from ordered and disordered proteins, a scaffold can form that responds to temperature and easily integrates into tissue.
Scientists create synthetic prototissue capable of synchronized beating
Mon, 15 Oct 2018 11:35:27 EDT
A tissue-like material capable of synchronized beating when heated and cooled has been developed by a team of University of Bristol chemists.
Ultra-light gloves let users 'touch' virtual objects
Mon, 15 Oct 2018 11:35:19 EDT
Scientists have developed an ultra-light glove -- weighing less than 8 grams per finger -- that enables users to feel and manipulate virtual objects. Their system provides extremely realistic haptic feedback and could run on a battery, allowing for unparalleled freedom of movement.
Giant planets around young star raise questions about how planets form
Mon, 15 Oct 2018 10:45:31 EDT
Researchers have identified a young star with four Jupiter and Saturn-sized planets in orbit around it, the first time that so many massive planets have been detected in such a young system. The system has also set a new record for the most extreme range of orbits yet observed: the outermost planet is more than a thousand times further from the star than the innermost one, which raises interesting questions about how such a system might have formed.
Perovskites: Materials of the future in optical communication
Mon, 15 Oct 2018 10:45:28 EDT
Researchers have shown how an inorganic perovskite can be made into a cheap and efficient photodetector that transfers both text and music.
Lift off for world-first ultrasound levitation that bends around barriers
Mon, 15 Oct 2018 10:45:22 EDT
Researchers have become the first in the world to develop technology which can bend sound waves around an obstacle and levitate an object above it.
Blue phosphorus mapped and measured for the first time
Mon, 15 Oct 2018 10:45:17 EDT
Until recently, the existence of 'blue' phosphorus was pure theory: Now a team was able to examine samples of blue phosphorus at BESSY II for the first time and confirm via mapping of their electronic band structure that this is actually this exotic phosphorus modification. Blue phosphorus is an interesting candidate for new optoelectronic devices.
Arsenic for electronics
Mon, 15 Oct 2018 10:45:14 EDT
The discovery of graphene, a material made of one or very few atomic layers of carbon, started a boom. Today, such two-dimensional materials are no longer limited to carbon and are hot prospects for many applications, especially in microelectronics. Scientists have now introduced a new 2D material: they successfully modified arsenene (arsenic in a graphene-like structure) with chloromethylene groups.
Artificial intelligence aids automatic monitoring of single molecules in cells
Mon, 15 Oct 2018 10:04:56 EDT
Researchers developed a system that can automatically image single molecules within living cells. This system employs learning via neural networks to focus appropriately on samples, search automatically for cells, image fluorescently labeled single molecules, and track their movements. With this system, the team achieved the automated determination of pharmacological parameters and quantitative characterization of the effects of ligands and inhibitors on a target, which has potentially profound implications for biological and medical sciences.
High-performance flexible transparent force touch sensor for wearable devices
Mon, 15 Oct 2018 10:04:53 EDT
Researchers reported a high-performance and transparent nanoforce touch sensor by developing a thin, flexible, and transparent hierarchical nanocomposite (HNC) film. The research team says their sensor simultaneously features all the necessary characters for industrial-grade application: high sensitivity, transparency, bending insensitivity, and manufacturability.
Sound, vibration recognition boost context-aware computing
Mon, 15 Oct 2018 08:46:05 EDT
Smart devices can seem dumb if they don't understand what's happening around them. Researchers say environmental awareness can be enhanced by analyzing sound and vibrations. The researchers report about two approaches -- one that uses the ubiquitous microphone, and another that employs a modern-day version of eavesdropping technology once used by the KGB.
Liver-on-a-chip, the ideal test environment for CRISPR
Sun, 14 Oct 2018 14:27:14 EDT
Organ-on-a-chip liver platform marks first time this breakthrough gene-editing technology will be used on a non-animal, multicellular model.
Scientists achieve first ever acceleration of electrons in plasma waves
Sun, 14 Oct 2018 14:27:09 EDT
Researchers have demonstrated a new technique for accelerating electrons to very high energies over short distances.
Fast, accurate estimation of the Earth's magnetic field for natural disaster detection
Sun, 14 Oct 2018 14:27:03 EDT
Researchers have applied machine-learning techniques to achieve fast, accurate estimates of local geomagnetic fields using data taken at multiple observation points, potentially allowing detection of changes caused by earthquakes and tsunamis. A deep neural network (DNN) model was developed and trained using existing data; the result is a fast, efficient method for estimating magnetic fields for unprecedentedly early detection of natural disasters. This is vital for developing effective warning systems that might help reduce casualties and widespread damage.
New catalyst opens door to CO2 capture in conversion of coal to liquid fuels
Fri, 12 Oct 2018 14:30:24 EDT
World energy consumption projections expect coal to stay one of the world's main energy sources in the coming decades, and a growing share of it will be used in CTL, the conversion of coal to liquid fuels. Researchers have developed iron-based catalysts that substantially reduce operating costs and open the door to capturing the large amounts of CO2 that are generated by CTL.
Researchers quickly harvest 2-D materials, bringing them closer to commercialization
Fri, 12 Oct 2018 13:53:12 EDT
Researchers have developed a technique to harvest 2-inch diameter wafers of 2-D material within just a few minutes. They can then be stacked together to form an electronic device within an hour.
Disrupting crystalline order to restore superfluidity
Fri, 12 Oct 2018 11:01:52 EDT
What if you could disrupt the crystalline order of quantum matter so that the superfluid could flow freely even at temperatures and pressures where it usually does not? This is indeed the idea that was demonstrated by a team of scientists led by Ludwig Mathey and Andreas Hemmerich from the University of Hamburg.
Building a better battery layer by layer
Fri, 12 Oct 2018 10:22:29 EDT
Scientists are now closer to a thin, high-capacity lithium-ion battery that could open the gates to better energy storage systems for electric vehicles.
A new way to create molecules for drug development
Fri, 12 Oct 2018 10:22:22 EDT
Chemists have developed a new and improved way to generate molecules that can enable the design of new types of synthetic drugs.
World's fastest camera freezes time at 10 trillion frames per second
Fri, 12 Oct 2018 09:30:08 EDT
Researchers have developed what they call T-CUP: the world's fastest camera, capable of capturing ten trillion frames per second. This new camera literally makes it possible to freeze time to see phenomena -- and even light! -- in extremely slow motion.
Why don't we understand statistics? Fixed mindsets may be to blame
Fri, 12 Oct 2018 08:27:13 EDT
The first study of why people struggle to solve statistical problems reveals a preference for complicated rather than simpler, more intuitive solutions -- which often leads to failure in solving the problem altogether. The researchers suggest this is due to unfavorable methods of teaching statistics in schools and universities, and highlight the serious consequences when applied to professional settings like court cases.
Understanding the neurological code behind how flies fly
Fri, 12 Oct 2018 08:27:04 EDT
Discoveries about the neurological processes by which flies stay steady in flight could help humans build more responsive drones or better-balanced robots.
Fake or real? New study finds consumers wary of manipulated photos
Thu, 11 Oct 2018 17:31:06 EDT
In the age of fake news and doctored photos, wary consumers are not nearly as gullible as one might presume. But the source of the images does not matter much as people evaluate what is fake and what is real, a study suggests.
Breakthrough in self-healing materials
Thu, 11 Oct 2018 14:31:35 EDT
Researchers have given self-healing qualities to polymers that are used in relatively inexpensive commodities, such as paints, plastics and coatings.
Death of a massive star and birth of compact neutron star binary
Thu, 11 Oct 2018 14:31:30 EDT
The unexpectedly gentle death of a massive star suggests that it was being robbed by a dense companion lurking out of sight.
Disorder induces topological Anderson insulator
Thu, 11 Oct 2018 14:31:28 EDT
In experiments with ultracold atoms trapped and driven by lasers, researchers have created a new disorder-induced topological state previously predicted to occur in electronic materials.
Optical illusion spooks raptors
Thu, 11 Oct 2018 14:31:23 EDT
Researchers have designed a visual pattern that elicits long-term avoidance of high-risk areas by raptors. The scientists' work clears the way for further investigation into the visual cognition of these birds, and it has applications for conservation, because raptors are among the most common victims of collisions with planes and wind turbines.
Computational model links family members using genealogical and law-enforcement databases
Thu, 11 Oct 2018 14:31:20 EDT
Researchers are reporting ways in which using genetic ancestry databases to solve crimes could potentially be expanded.
New microscope offers 4-D look at embryonic development in living mice
Thu, 11 Oct 2018 14:31:10 EDT
With the development of an adaptive, multi-view light sheet microscope and a suite of computational tools, researchers have captured the first view of early organ development inside the mouse embryo.
Opening communication lines between propulsion and airflow poses new questions
Thu, 11 Oct 2018 13:34:05 EDT
On the runway to more fuel-efficient aircraft, one alternative propulsion scheme being explored is an array of electrically powered ducted fans. The fans are distributed across the wing span or integrated into the wing. Researchers have gained new understanding in how the fans and especially their precise placement on the aircraft can affect the cross-conversation between propulsion and the airflow around the wing.
Novel topological insulator
Thu, 11 Oct 2018 11:24:32 EDT
For the first time, physicists have built a unique topological insulator in which optical and electronic excitations hybridize and flow together.
Light switch: Scientists develop method to control nanoscale manipulation in high-powered microscopes
Thu, 11 Oct 2018 11:24:18 EDT
Researchers from Japan have taken a step toward faster and more advanced electronics by developing a way to better measure and manipulate conductive materials through scanning tunneling microscopy.
Efficiently turning light into electricity
Thu, 11 Oct 2018 10:37:02 EDT
Perovskites form a group of crystals that have many promising properties for applications in nano-technology. However, one useful property that so far was unobserved in perovskites is so-called carrier multiplication -- an effect that makes materials much more efficient in converting light into electricity. New research has now shown that certain perovskites in fact do have this desirable property.
New technique for turning sunshine and water into hydrogen fuel
Thu, 11 Oct 2018 10:36:59 EDT
Researchers have developed new photocatalyst synthesis method using Magnesium hydride (MgH2) and Titanium dioxide (TiO2). The result is expected to contribute to hydrogen mass production through the development of photocatalyst that reacts to solar light.
Bioinspired camera could help self-driving cars see better
Thu, 11 Oct 2018 10:36:44 EDT
Inspired by the visual system of the mantis shrimp-researchers have created a new type of camera that could greatly improve the ability of cars to spot hazards in challenging imaging conditions.
A new cancer weapon: Antibodies
Thu, 11 Oct 2018 10:36:39 EDT
Engineers haVE proposed a novel approach to antibody-based imaging of cancer, using ultrasmall silica nanoparticles -- better known as 'Cornell dots' (or C dots).