|Top Technology News -- ScienceDaily
Fri, 17 Aug 2018 00:03:02 EDT
Novel sensors could enable smarter textiles
Thu, 16 Aug 2018 15:31:41 EDT
A fabric coating with thin, lightweight and flexible pressure sensors that can be embedded into shoes and other functional garments, sensors that can measure everything from the light touch of a finger to being driven over by a forklift. And it's comfortable to boot!
Twisted electronics open the door to tunable 2-D materials
Thu, 16 Aug 2018 14:32:48 EDT
Researchers report an advance that may revolutionize the field of 2-D materials such as graphene: a 'twistronic' device whose characteristics can be varied by simply varying the angle between two different 2-D layers placed on top of one another. The device provides unprecedented control over the angular orientation in twisted-layer devices, and enables researchers to study the effects of twist angle on electronic, optical, and mechanical properties in a single device.
More workers working might not get more work done, ants (and robots) show
Thu, 16 Aug 2018 14:32:31 EDT
For ants and robots operating in confined spaces like tunnels, having more workers does not necessarily mean getting more work done. Just as too many cooks in a kitchen get in each other's way, having too many robots in tunnels creates clogs that can bring the work to a grinding halt.
Reverse osmosis membranes with tunable thickness
Thu, 16 Aug 2018 14:32:29 EDT
Researchers used electrospray technology to create ultra-thin, ultra-smooth polyamide membranes for reverse osmosis. This scalable process allows for better control of a membrane's fundamental properties, avoids the use of chemical baths, and can be applied to a variety of membrane separation processes.
Under pressure, hydrogen offers a reflection of giant planet interiors
Thu, 16 Aug 2018 14:32:05 EDT
Lab-based mimicry allowed an international team of physicists to probe hydrogen under the conditions found in the interiors of giant planets -- where experts believe it gets squeezed until it becomes a liquid metal, capable of conducting electricity.
Hubble paints picture of the evolving universe
Thu, 16 Aug 2018 14:30:44 EDT
Hubble and other space and ground-based telescopes, astronomers have assembled one of the most comprehensive portraits yet of the universe's evolutionary history.
New manufacturing technique could improve common problem in printing technology
Thu, 16 Aug 2018 13:21:04 EDT
A new manufacturing technique may be able to avoid the 'coffee ring' effect that plagues inkjet printers.
Sprawling galaxy cluster found hiding in plain sight
Thu, 16 Aug 2018 13:21:01 EDT
Scientists have uncovered a sprawling new galaxy cluster hiding in plain sight. The cluster, which sits a mere 2.4 billion light years from Earth, is made up of hundreds of individual galaxies and surrounds an extremely active supermassive black hole, or quasar.
Most wear-resistant metal alloy in the world
Thu, 16 Aug 2018 13:20:09 EDT
A materials science team has engineered a platinum-gold alloy believed to be the most wear-resistant metal in the world. It's 100 times more durable than high-strength steel, making it the first alloy, or combination of metals, in the same class as diamond and sapphire, nature's most wear-resistant materials.
A unique combination of catalysts opens doors to making useful compounds
Thu, 16 Aug 2018 11:43:43 EDT
All organisms rely on chemical reactions in order to make various natural products. Chemical reactions can be caused by a number of catalysts, such as enzymatic or chemical catalysts. Researchers have developed a new method that aids in the process of making valuable compounds by using a new catalytic method that combines enzymatic catalysts with photocatalysts.
Internet of Things technology can boost classroom learning and bridge gender divide
Thu, 16 Aug 2018 10:55:48 EDT
The use of Internet of Things devices in the classroom can have major educational benefits and appeal to both genders if designed and used in the right way, according to new research.
Scientists turn to the quantum realm to improve energy transportation
Thu, 16 Aug 2018 10:20:03 EDT
Scientists have designed a more efficient quantum transport system using a creative, yet counterintuitive solution.
Structurally 'inside-out' planetary nebula discovered
Thu, 16 Aug 2018 10:19:52 EDT
Researchers have discovered the unusual evolution of the central star of a planetary nebula in our Milky Way galaxy. The finding sheds light on the future evolution, and more importantly, the ultimate fate of the Sun.
Smart fluorescent dyes
Thu, 16 Aug 2018 10:19:50 EDT
Controlling the excited electronic states in luminescent systems remains a challenge in the development of fluorescent and phosphorescent dyes. Now, scientists in Japan have developed a unique organic fluorophore that changes its emission color without loss of efficiency when externally stimulated.
Smallest transistor switches current with a single atom in solid electrolyte
Thu, 16 Aug 2018 10:19:39 EDT
Researchers have developed a single-atom transistor, the world's smallest. This quantum electronics component switches electrical current by controlled repositioning of a single atom, now also in the solid state in a gel electrolyte. The single-atom transistor works at room temperature and consumes very little energy, which opens up entirely new perspectives for information technology.
Printable tags turn everyday objects into smart, connected devices
Thu, 16 Aug 2018 09:14:42 EDT
Engineers have developed printable metal tags that could be attached to plain objects, like water bottles, walls or doors, and turn them into 'smart' Internet of Things devices. The tags can also be fashioned into paper-thin control panels that can be used to remotely operate WiFi-connected speakers, smart lights and other smart home appliances. The metal tags are made from patterns of copper foil printed onto paper-like materials and disturb WiFi signals when touched.
Super-resolution microscope reveals secrets of deadly Nipah virus
Thu, 16 Aug 2018 09:14:33 EDT
The deadly Nipah virus and others like it assemble themselves in a much more haphazard manner than previously thought, new research has found. The discovery could allow scientists to develop more effective vaccines and rule out many approaches to fighting these viruses.
Trigger, target, trigger: Scientists explore controlled carbon monoxide release
Thu, 16 Aug 2018 09:04:37 EDT
Scientists have developed flavonoid-based, organic carbon monoxide-releasing molecules that exhibit CO release only when triggered by visible light. Using fluorescence microscopy, the researchers demonstrate targeted CO delivery by the photoCORMs to human lung cancer cells, as well as the ability of the molecules to produce anti-inflammatory effects.
Key factor may be missing from models that predict disease outbreaks from climate change
Thu, 16 Aug 2018 09:04:30 EDT
A new study suggests that computer models used to predict the spread of epidemics from climate change -- such as crop blights or disease outbreaks -- may not take into account an important factor in predicting their severity.
Math shows how human behavior spreads infectious diseases
Thu, 16 Aug 2018 08:14:46 EDT
Mathematics can help public health workers better understand and influence human behaviors that lead to the spread of infectious disease.
Study of material surrounding distant stars shows Earth's ingredients 'pretty normal'
Wed, 15 Aug 2018 19:05:30 EDT
The Earth's building blocks seem to be built from 'pretty normal' ingredients, according to researchers working with the world's most powerful telescopes. Scientists have measured the compositions of 18 different planetary systems from up to 456 light years away and compared them to ours, and found that many elements are present in similar proportions to those found on Earth. This will have implications for finding Earth-like bodies elsewhere.
Particles pull last drops of oil from well water
Wed, 15 Aug 2018 17:11:06 EDT
Engineers develop magnetic nanoparticles that separate the last droplets of oil from produced water at wells.
This matrix delivers healing stem cells to injured elderly muscles
Wed, 15 Aug 2018 15:45:02 EDT
Muscles of the elderly and of patients with Duchene muscular dystrophy have trouble regenerating. A new nanohydrogel with muscle stem cells has boosted muscle growth in mouse models while protecting the stem cells from immune reactions that usually weaken or destroy them.
Robots have power to significantly influence children's opinions
Wed, 15 Aug 2018 15:44:54 EDT
Young children are significantly more likely than adults to have their opinions and decisions influenced by robots, according to new research.
Water use for fracking has risen by up to 770 percent since 2011
Wed, 15 Aug 2018 14:14:41 EDT
The amount of water used per well for fracking surged by up to 770 percent between 2011 and 2016 in all major US shale gas- and oil-producing regions, a new study finds. The volume of flowback and produced water that new wells generated during their first year of operation also increased by up to 1,440 percent. If this rapid intensification continues, fracking's water footprint could grow by up to 50-fold by the year 2030.
Robots will never replace teachers but can boost children's education
Wed, 15 Aug 2018 14:14:33 EDT
Robots can play an important role in the education of young people but will never fully replace teachers, a new study suggests.
Iron and titanium in the atmosphere of an exoplanet
Wed, 15 Aug 2018 13:05:55 EDT
Exoplanets can orbit close to their host star. When the host star is much hotter than our sun, then the exoplanet becomes as hot as a star. The hottest 'ultra-hot' planet was discovered last year. A team has now discovered the presence of iron and titanium vapors in the atmosphere of this planet. This detection was made possible by the surface temperature of this planet, which reaches more than 4,000 degrees.
Light-emitting nanoparticles could provide a safer way to image living cells
Wed, 15 Aug 2018 13:05:34 EDT
A research team has demonstrated how light-emitting nanoparticles can be used to see deep in living tissue. Researchers hope they can be made to attach to specific components of cells to serve in an advanced imaging system that can pinpoint even single cancer cells.
Stern of World War II US destroyer discovered off remote Alaskan island
Wed, 15 Aug 2018 12:42:21 EDT
In the midst of World War II on August 18, 1943, the USS Abner Read struck what was presumed to be a Japanese mine in the Bering Sea. The catastrophic blast took the lives of 71 American sailors. For their families, the final resting place of loved ones lost remained unknown. Until now. On July 16, 2018, a team of researchers using robotics technology discovered the sunken stern of the World War II destroyer -- solving a 75-year-old mystery.
Battery breakthrough: Doubling performance with lithium metal that doesn't catch fire
Wed, 15 Aug 2018 12:40:00 EDT
A rechargeable battery technology could double the output of today's lithium ion cells -- drastically extending electric vehicle ranges and time between cell phone charges -- without taking up any added space.
Magnetic antiparticles offer new horizons for information technologies
Wed, 15 Aug 2018 10:53:25 EDT
Computer simulations reveal new behavior of antiskyrmions in gradually increased electric currents.
Effective material developed to prevent post-surgical adhesion
Wed, 15 Aug 2018 10:29:24 EDT
Researchers have investigated a novel Polyelectrolyte complex (PEC) that provides a barrier to prevent adhesions in post-operative complications. This has the potential to avoid the need for a second surgery to remove the adhesions.
Predicting landslide boundaries two weeks before they happen
Wed, 15 Aug 2018 10:29:09 EDT
Researchers have developed a software tool that uses applied mathematics and big data analytics to predict the boundary of where a landslide will occur, two weeks in advance.
Password managers vulnerable to insider hacking
Wed, 15 Aug 2018 10:29:06 EDT
A new study shows that communication channels between different parts and pieces of computer software are prone to security breaches. Anyone with access to a shared computer -- co-workers, family members, or guests -- can attack or involuntarily subject it to security breaches.
3-D inks that can be erased selectively
Wed, 15 Aug 2018 10:29:04 EDT
3-D printing by direct laser writing enables production of micro-meter-sized structures for many applications, from biomedicine to microelectronics to optical metamaterials. Researchers have now developed 3-D inks that can be erased selectively. This allows specific degradation and reassembly of highly precise structures on the micrometer and nanometer scales.
Computer security: Processor vulnerability can be exploited to access memory
Wed, 15 Aug 2018 08:59:13 EDT
Two international teams of security researchers have uncovered Foreshadow, a new variant of the hardware vulnerability Meltdown announced earlier in the year, that can be exploited to bypass Intel processors' secure regions to access memory and data.
App that will extend your smartphone battery life
Wed, 15 Aug 2018 08:59:00 EDT
New research has found a novel method to extend the battery life of smartphones for up to an hour each day.
Common Wifi can detect weapons, bombs and chemicals in bags
Wed, 15 Aug 2018 08:58:58 EDT
Ordinary WiFi can easily detect weapons, bombs and explosive chemicals in bags at museums, stadiums, theme parks, schools and other public venues, according to a new study. The researchers' suspicious object detection system is easy to set up, reduces security screening costs and avoids invading privacy such as when screeners open and inspect bags, backpacks and luggage. Traditional screening typically requires high staffing levels and costly specialized equipment.
Chips, light and coding moves the front line in beating bacteria
Wed, 15 Aug 2018 08:58:55 EDT
A multidisciplinary study finds a way to examine biofilms with high efficiency.
Molecular switch detects metals in the environment
Wed, 15 Aug 2018 08:58:12 EDT
Researchers have designed a family of molecules capable of binding to metal ions present in its environment and providing an easily detectable light signal during binding. This new type of sensor forms a 3D structure whose molecules consist of a ring and two luminescent arms that emit a particular type of light in a process called circular polarized luminescence, and detect ions, such as sodium.
When mixing granular matter, order among disorder
Tue, 14 Aug 2018 17:36:37 EDT
Researchers find mixed and non-mixed regions among tumbled granular particles, providing a new understanding of how sand, concrete, and paint mix.
First reliable estimates of highly radioactive cesium-rich microparticles released by Fukushima disaster
Tue, 14 Aug 2018 16:26:11 EDT
Scientists have for the first time been able to estimate the amount of radioactive cesium-rich microparticles released by the disaster at the Fukushima power plant in 2011. This work hsd significant health and environmental implications.
Faster way to make mineral to remove carbon dioxide from atmosphere
Tue, 14 Aug 2018 16:26:08 EDT
Scientists have developed an accelerated way to produce magnesite, a mineral which can capture the greenhouse gas carbon dioxide from the atmosphere, at room temperature. Removing carbon dioxide from the atmosphere would slow global warming. This work takes a different approach to existing processes, and may make it economically viable, but it is at an early stage and is not yet an industrial process.
Researchers use green gold to rapidly detect and identify harmful bacteria
Tue, 14 Aug 2018 16:26:00 EDT
Researchers have developed a method to screen and identify harmful or antibiotic-resistant bacteria within one hour using a portable luminometer.
Early opaque universe linked to galaxy scarcity
Tue, 14 Aug 2018 15:09:51 EDT
A team of astronomers has made a surprising discovery: 12.5 billion years ago, the most opaque place in the universe contained relatively little matter.
Unraveling the nature of 'whistlers' from space in the lab
Tue, 14 Aug 2018 14:05:07 EDT
Scientists have presented research on a curious cosmic phenomenon known as 'whistlers' -- very low frequency packets of radio waves that race along magnetic field lines. The study provides new insights into the nature of whistlers and space plasmas and could one day aid in the development of practical plasma technologies with magnetic fields, including spacecraft thrusters that use charged particles as fuel.
Security gaps identified in Internet protocol 'IPsec'
Tue, 14 Aug 2018 13:42:01 EDT
Researchers have demonstrated that the Internet protocol 'IPsec' is vulnerable to attacks. The Internet Key Exchange protocol 'IKEv1', which is part of the protocol family, has vulnerabilities that enable potential attackers to interfere with the communication process and intercept specific information.
Natural refrigerant replacements could reduce energy costs and conserve the environment
Tue, 14 Aug 2018 13:41:59 EDT
The 1987 Montreal Protocol and the 1997 Kyoto Protocol called for countries around the world to phase out substances that deplete the ozone layer, but many HVAC systems still use synthetic refrigerants that violate those international agreements and inflict environmental damage. Recently, researchers investigated how natural refrigerants could be used in geothermal heat pumps to reduce energy consumption and operating costs.
Light-engineered bacterial shapes could hold key to future labs-on-a-chip
Tue, 14 Aug 2018 13:41:55 EDT
Scientists have used light patterns to control the swimming speed of bacteria and direct them to form different shapes.
Ecology of investors in financial markets
Tue, 14 Aug 2018 10:32:54 EDT
Researchers studied the similarity of investment decisions in the financial market and how the investment strategies used by the investors influence the volatility of the markets by using an exceptionally large set of empirical data. The results help in understanding the operation of financial markets and shed light on the connection of earlier theories to the actual stock market.
Can radar replace stethoscopes?
Tue, 14 Aug 2018 10:15:05 EDT
Electronic engineers have developed a procedure for reliably detecting and diagnosing heart sounds using radar. In future, mobile radar devices could replace conventional stethoscopes and permanent touch-free monitoring of patients' vital functions could be possible using stationary radar devices.
Audience members influence value creation in the TV audience market
Tue, 14 Aug 2018 10:14:58 EDT
A recent article examined the changing relationship between traditional TV providers and their audiences. The notion of sharing, which is most prominent in the current buzzword of the 'sharing economy' may be applied to understanding current trends in TV markets.
New interactive machine learning tool makes car designs more aerodynamic
Tue, 14 Aug 2018 10:14:54 EDT
When engineers or designers wanted to test the aerodynamic properties of the newly designed car or an airplane, the procedure usually took hours or even a day. Engineers have now significantly sped up this process, making streamlines and parameters available in real-time. Their method is among the first to use machine learning to model flow around continuously editable 3D objects.
Flipping the switch on supramolecular electronics
Tue, 14 Aug 2018 10:14:51 EDT
Engineers have successfully combined photoswitchable molecular lattices with layered materials to create new high-performance devices that show macroscopic responses to light.
How hot is Schrödinger's coffee?
Tue, 14 Aug 2018 10:14:41 EDT
A new uncertainty relation, linking the precision with which temperature can be measured and quantum mechanics, has been discovered.
Artificial placenta created in the laboratory
Tue, 14 Aug 2018 10:14:31 EDT
Scientists have now produced an artificial placenta model that very closely resembles the natural organ. Using a specially developed femtosecond laser-based 3D printing process, it is possible to produce customized hydrogel membranes directly within microfluidic chips, which are then populated with placenta cells. This means it is now possible to provide clarity in some vital research issues, such as the exchange of glucose between mother and child.
Bacteria-fighting polymers created with light
Tue, 14 Aug 2018 10:14:26 EDT
Hundreds of polymers -- which could kill drug-resistant superbugs in novel ways -- can be produced and tested using light, using a new method.
Long-sought carbon structure joins graphene, fullerene family
Mon, 13 Aug 2018 19:01:56 EDT
Scientists have been playing with pure carbon compounds for centuries, starting with diamond and graphite and now with fullerenes, nanotubes and graphene. One type of 3D geometry has been missing, however: a negatively curved carbon-cage surface called schwarzite. Chemists have now shown that serendipitously produced materials called zeolite-templated carbons are in fact the long-sought schwarzites. Their recipe for making schwarzites could make them practical in electronics and gas storage.
From windows to Mars: Scientists debut super-insulating gel
Mon, 13 Aug 2018 17:35:30 EDT
A new gel could increase energy efficiency in skyscrapers and help scientists to build habitats on Mars.
A record number of Americans watched the 2017 solar eclipse -- and sought science afterward
Mon, 13 Aug 2018 17:35:26 EDT
The 2017 total solar eclipse spurred a flurry of interest about solar eclipses, according to the final report of a survey led by the University of Michigan.