|Top Technology News -- ScienceDaily
Mon, 24 Apr 2017 14:44:01 EDT
Nanosponges lessen severity of streptococcal infections
Mon, 24 Apr 2017 14:13:47 EDT
Researchers have shown that engineered nanosponges can reduce the severity of infections caused by the bacteria responsible for strep throat and flesh-eating disease.
Mon, 24 Apr 2017 14:13:03 EDT
A novel microscopy method allows unprecedented insights into the spatial organization and direct interactions of immune cells within blood and liquid multi-lineage tissues. The assay, called 'Pharmacoscopy,' is able to determine the immunomodulatory properties of drugs within large libraries on immune cells in high resolution and high throughput, enabling new possibilities for drug discovery, particularly in cancer immunotherapy, personalized medicine, and research on signaling pathways of the immune system.
From abundant hydrocarbons to rare spin liquids
Mon, 24 Apr 2017 14:12:55 EDT
Fuel such as gasoline is made up of hydrocarbons -- a family of molecules consisting entirely of carbon and hydrogen. Pigment and dye, coal and tar are made up of hydrocarbons too. These common, abundant materials, sometimes even associated with waste, are not often thought of as being electronically or magnetically interesting. But now scientists have made a significant find.
NASA's Cassini, Voyager missions suggest new picture of sun's interaction with galaxy
Mon, 24 Apr 2017 14:12:50 EDT
New data from three NASA missions show that the heliosphere -- the bubble of the sun's magnetic influence that surrounds the inner solar system -- may be much more compact and rounded than previously thought.
Chip-based nanoscopy: Microscopy in HD quality
Mon, 24 Apr 2017 11:08:58 EDT
Physicists have developed a photonic chip that makes it possible to carry out super-resolution light microscopy, also called 'nanoscopy,' with conventional microscopes. In nanoscopy, the position of single fluorescent molecules can be determined with a precision of just a few nano-meters, that is, to a millionth of a millimeter.
After the death of a friend, healing in a human social network
Mon, 24 Apr 2017 11:08:53 EDT
The first large-scale study of recovery and resilience after a death in a friend group -- based on analysis of interactions in 15,000 anonymized networks on Facebook -- finds that when a friend dies, we get closer to that person's friends. The social network repairs itself in ways that keep our total connectedness the same.
Graphene withstands high pressure, may aid in desalination
Mon, 24 Apr 2017 11:08:47 EDT
Used in filtration membranes, ultrathin material could help make desalination more productive, explain researchers in a new report.
Nanoparticle vaccine shows potential as immunotherapy to fight multiple cancer types
Mon, 24 Apr 2017 11:08:41 EDT
A first-of-its-kind nanoparticle vaccine immunotherapy has been developed that targets several different cancer types, outlines a new report.
Freezing lithium batteries may make them safer, bendable
Mon, 24 Apr 2017 10:16:44 EDT
A new method that could lead to lithium batteries that are safer, have longer battery life, and are bendable has now been developed, providing new possibilities such as flexible smartphones. His new technique uses ice-templating to control the structure of the solid electrolyte for lithium batteries that are used in portable electronics, electric vehicles, and grid-level energy storage.
New breakthrough in battery charging technology
Mon, 24 Apr 2017 10:12:22 EDT
A new study has introduced a new battery charging technology that uses light to charge batteries. This newly-developed power source is designed to work under sunlight and indoor lighting, allowing users to power their portable electronics anywhere with access to light. In addition, the new device could power electric devices even in the absence of light.
Self-assembled nanostructures can be selectively controlled
Mon, 24 Apr 2017 09:40:48 EDT
DNA self-assembly allows the unprecedented control of the optical properties of plasmonic metamolecules, report scientists.
Revealing polymeric fluids behavior at the microscopic scale
Mon, 24 Apr 2017 09:39:48 EDT
An important concept in future healthcare is the development of devices called “lab on a chip”. These “chips” are injected to fill specifically designed microscopic channels. These channels contain biosensors which detect, for example, specific markers for diseases within the fluid and provide a quick diagnosis. However, an arising issue is the size of the fluid sample injected inside the chip, with tiny volumes down to a billionth of a liter. Due to lack of available technologies, researchers do not yet fully understand how fluids – particularly complex ones of biological origins – behave at such small scales.
Synchronized voltage rhythms could maintain the body's clock
Mon, 24 Apr 2017 09:39:44 EDT
Cells in the brain’s master circadian clock synchronize voltage rhythms despite asynchronous calcium rhythms, which might explain how a tissue-wide rhythm is maintained.
In experiments on Earth, testing possible building blocks of alien life
Mon, 24 Apr 2017 08:40:21 EDT
Extraterrestrial life, if it exists, could use different amino acid building blocks than living things here on Earth. To better understand what alien life might look like, researchers are studying which amino acids stand up to the types of extreme conditions found on other planets and moons.
Tiny 'cages' could keep vaccines safe at high temperatures
Mon, 24 Apr 2017 08:40:05 EDT
Vaccines and antibodies could be transported and stored without refrigeration by capturing them in tiny silica 'cages', a discovery which could make getting vital medicines to patients much easier, cheaper and safer.
Smart pills could revolutionize prevention and diagnosis of gut disorders
Mon, 24 Apr 2017 08:39:56 EDT
Researchers have successfully completed phase one human trials of ingestible capsules that have the potential to revolutionize the prevention and diagnosis of gut disorders and diseases.
Protein structure: Game-changing PanDDA method unveils previously hidden 3-D structure data
Mon, 24 Apr 2017 08:39:53 EDT
Scientists have developed a new method to extract previously hidden information from the X-ray diffraction data that are measured when resolving the three-dimensional (3-D) atomic structures of proteins and other biological molecules.
Space technologies improve surgeries back on earth
Sat, 22 Apr 2017 10:20:30 EDT
A novel surgical robotic system has been developed that provides tactile feedback and is capable of single-incision and natural orifice (incision-free) robotic surgery. The system minimizes surgical trauma and is safer than currently available robotic systems.
Revealing the mystery behind the formation of hollowed nanoparticles during metal oxidation
Sat, 22 Apr 2017 10:17:16 EDT
New knowledge has been gained about the behavior of metal nanoparticles when they undergo oxidation, by integrating X-ray imaging and computer modeling and simulation. This knowledge adds to our understanding of fundamental processes like oxidation and corrosion.
Facebook plays vital role in reducing government corruption, researchers find
Sat, 22 Apr 2017 10:17:14 EDT
An economics researcher says the popular social media website – and its open sharing of information – is a vital and often a significant tool against government corruption in countries where press freedom is curbed or banned.
Two-dimensional melting of hard spheres experimentally unravelled after 60 years
Fri, 21 Apr 2017 21:08:42 EDT
Experimental evidence of melting in two-dimensional substances has finally been gained by researchers. Findings from the study could be used to support technological improvements to thin film materials such as graphene.
Wonder material? Novel nanotube structure strengthens thin films for flexible electronics
Fri, 21 Apr 2017 21:08:35 EDT
Reflecting the structure of composites found in nature and the ancient world, researchers have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
New discovery could aid in detecting nuclear threats
Fri, 21 Apr 2017 12:33:07 EDT
A new way to detect nuclear materials has been developed by researchers. Made of graphene and carbon nanotubes, the researchers' detector far outpaces any existing one in its ultrasensitivity to charged particles, minuscule size, low-power requirements, and low cost.
New digital map shows changing racial diversity of America
Fri, 21 Apr 2017 12:33:01 EDT
A geography professor built the most detailed map of racial diversity yet to study the way America's neighborhoods are changing.
New survey: Snapchat and Instagram are most popular social media platforms among American teens
Fri, 21 Apr 2017 11:33:06 EDT
A new nationally representative survey of American teenagers age 13-17 finds that teens have shifted their favored social media platforms and are now most likely to use Instagram and Snapchat. The study also found that while almost all teens -- 91 percent -- use the regular text messaging tool on their mobile phones, 40 percent of teens also use messaging applications like Kik, WhatsApp, or Line on a smartphone.
Hubble's cosmic bubbles
Fri, 21 Apr 2017 11:32:54 EDT
Hubble has revealed a few of the tenuous threads comprising Sh2-308, a faint and wispy shell of gas located 5,200 light-years away in Canis Major.
Nanoimprinted hyperlens array: Paving the way for practical super-resolution imaging
Fri, 21 Apr 2017 10:37:44 EDT
Research has demonstrated a scalable and reliable fabrication process of a large scale hyperlens device based on direct pattern transfer techniques. The research team's new cost-effective fabrication method can be used to proliferate practical far-field and real-time super-resolution imaging devices that can be widely used in optics, biology, medical science, nanotechnology, and other related interdisciplinary fields.
Quantum mechanics is complex enough, for now...
Fri, 21 Apr 2017 10:37:37 EDT
Physicists have searched for deviations from standard quantum mechanics, testing whether quantum mechanics requires a more complex set of mathematical rules. To do so a research team designed a new photonic experiment using exotic metamaterials. Their experiment supports standard quantum mechanics and allows the scientists to place bounds on alternative quantum theories. The results could help to guide theoretical work in a search for a more general version of quantum mechanics.
Molecular libraries for organic light-emitting diodes
Fri, 21 Apr 2017 10:37:28 EDT
Organic light-emitting diodes (OLEDs) are promising candidates for flexible flat displays. By means of a screening process, it is now possible to identify more quickly lead structures with superior luminescence and charge-transport properties.
Light can be utilized to control gene function
Fri, 21 Apr 2017 09:15:31 EDT
Light can be used as an accurate method to control gene expression, shows groundbreaking optogenetics study. In a new study, the researchers were able to induce and inhibit the expression of genes in mammalian cell cultures and were able to regulate intracellular protein levels using light signals. The approach was also used to regulate gene transcription at endogenous genomic sites when combined with CRISPR/Cas9 technology.
3D-printing of glass now possible
Fri, 21 Apr 2017 09:15:29 EDT
Three-dimensional printing allows extremely small and complex structures to be made even in small series. A new method now allows glass to be used for this technique. As a consequence of the properties of glass, such as transparency, thermal stability and resistance to acids, the use of this material in 3D-printing opens up manifold new applications in production and research, such as optics, data transmission, and biotechnology.
Faster biosensor for healthcare now developed
Fri, 21 Apr 2017 09:08:40 EDT
A new technology has been designed that is 20 times faster than the existing biosensors using micromagnetic pattern of spider web. The technology can be used for early diagnosis and recurrence diagnosis of diseases such as cancer.
Scientist's new approach may accelerate design of high-power batteries
Fri, 21 Apr 2017 09:08:33 EDT
A model for designing novel materials used in electrical storage devices, such as car batteries and capacitors, has now been designed by researchers. This approach may dramatically accelerate discovery of new materials that provide cheap and efficient ways to store energy.
Application of statistical method shows promise mitigating climate change effects on pine
Thu, 20 Apr 2017 16:21:42 EDT
Confronting evidence that the global climate is changing rapidly relative to historical trends, researchers have developed a new statistical model that, when applied to the loblolly pine tree populations in the southeastern United States, will benefit forest landowners and the forest industry in future decades.
BP oil spill did $17.2 billion in damage to natural resources, scientists find
Thu, 20 Apr 2017 14:18:25 EDT
The 2010 BP Deepwater Horizon oil spill did $17.2 billion in damage to the natural resources in the Gulf of Mexico, a team of scientists recently found after a six-year study of the impact of the largest oil spill in US history.
New quantum liquid crystals may play role in future of computers
Thu, 20 Apr 2017 14:18:01 EDT
The first 3-D quantum liquid crystals may have applications in quantum computing, report scientists. Liquid crystals fall somewhere in between a liquid and a solid: they are made up of molecules that flow around freely as if they were a liquid but are all oriented in the same direction, as in a solid. Liquid crystals can be found in nature, such as in biological cell membranes. Alternatively, they can be made artificially -- such as those found in the liquid crystal displays commonly used in watches, smartphones, televisions, and other items that have display screens.
Light rays from a supernova bent by the curvature of space-time around a galaxy
Thu, 20 Apr 2017 14:17:58 EDT
Astronomers have detected for the first time multiple images from a gravitationally lensed Type Ia supernova. The new observations suggest promising new avenues for the study of the accelerated expansion of the universe, gravity and distribution of dark matter in the universe.
Finding order and structure in the atomic chaos where materials meet
Thu, 20 Apr 2017 13:23:38 EDT
Materials science researchers have developed a model that can account for irregularities in how atoms arrange themselves at the so-called 'grain boundaries' -- the interface where two materials meet. By describing the packing of atoms at these interfaces, the tool can be used to help researchers determine how grain boundaries affect the properties of metal alloys and other materials.
Researchers unlock hardware's hidden talent for rendering 3-D graphics for science -- and video games
Thu, 20 Apr 2017 13:23:31 EDT
High performance computing researcher asked if hardware called 3-D stacked memory could do something it was never designed to do -- help render 3-D graphics.
Searching for ET: Breakthrough Listen initiative publishes initial results
Thu, 20 Apr 2017 11:48:16 EDT
Breakthrough Listen -- the initiative to find signs of intelligent life in the universe -- has released its 11 events ranked highest for significance as well as summary data analysis results. It is considered unlikely that any of these signals originate from artificial extraterrestrial sources, but the search continues.
Will Earth-like planets be found to have Earth-like oceans?
Thu, 20 Apr 2017 11:39:23 EDT
For a planetary surface to boast extensive areas of both land and water, a delicate balance must be struck between the volume of water it retains and the capacity of its oceanic basins. Each of these two quantities may vary substantially across the full spectrum of water-bearing worlds. Why the Earth's values are so well balanced is an unresolved and long-standing conundrum.
By listening to optical 'noise,' researchers discover new way to track hidden objects
Thu, 20 Apr 2017 11:38:21 EDT
Researchers have developed a new solution to tracking objects hidden behind scattering media by analyzing the fluctuations in optical 'noise' created by their movement. The approach could help fill in the gaps where LIDAR and other line-of-sight based methods fall short, advancing remote sensing and biomedical applications.
Can we see a singularity, the most extreme object in the universe?
Thu, 20 Apr 2017 11:37:58 EDT
Scientists have found new ways to detect a bare or naked singularity, the most extreme object in the universe. This finding has possible astrophysical implications.
Hubble celebrates 27 years with two close friends
Thu, 20 Apr 2017 11:37:50 EDT
This stunning cosmic pairing of the two very different looking spiral galaxies NGC 4302 and NGC 4298 was imaged by the NASA/ESA Hubble Space Telescope. The image brilliantly captures their warm stellar glow and brown, mottled patterns of dust.
Detailed map of potential Mars rover landing site
Thu, 20 Apr 2017 11:37:41 EDT
Mineral deposits in a region on Mars called Northeast Syrtis Major suggest a plethora of once-habitable environments. By mapping those deposits in the region's larger geological context, the research could help set the stage for a possible rover mission.
Ultraviolet light sensor for wearable devices in the IoT era
Thu, 20 Apr 2017 09:58:07 EDT
Mass production technology for silicon based ultraviolet (UV) light sensors, suitable for smartphones and wearable devices in the Internet of Things (IoT) era, has been developed.
Fidelity in a marriage between electronic and optical effects
Thu, 20 Apr 2017 09:58:05 EDT
Simultaneously simulating electrical and optical input achieves unprecedented performance in electro-optical interfaces, report investigators.
5G enables precision road weather services, provides robot cars with the ability to hear
Thu, 20 Apr 2017 09:40:14 EDT
The 5G-Safe project, which aims to reduce traffic accidents, is currently being coordinated in Europe. This involves the development of new vehicular network solutions and the local road weather and safety services they enable, in support of drivers, road operators and autonomous vehicle management systems. The new services will require no action from motorists while driving -- data will be gathered and warnings will be sent to users automatically.
Engineering technique is damaging materials research reveals
Thu, 20 Apr 2017 09:36:58 EDT
A technique that revolutionized scientists' ability to manipulate and study minuscule materials, may have dramatic unintended consequences -- altering their structural identity, new research reveals.
Seven years later: BP oil spill settlement funding new way to manage fish populations
Thu, 20 Apr 2017 09:03:03 EDT
Understanding the severity of the BP oil spill has led researchers to a barcoding fish eggs. This will help them to determine where fish are spawning, hopefully leading toward the creation of protected areas and a baseline should another oil spill occur.
New microscopy method breaks color barrier of optical imaging
Thu, 20 Apr 2017 09:02:56 EDT
A significant step has been made toward breaking the so-called 'color barrier' of light microscopy for biological systems, allowing for much more comprehensive, system-wide labeling and imaging of a greater number of biomolecules in living cells and tissues than is currently attainable. The advancement has the potential for many future applications, including helping to guide the development of therapies to treat and cure disease.
Astronomers perform largest-ever survey of high-mass binary star systems
Thu, 20 Apr 2017 09:02:48 EDT
82 new high-mass binaries located in the Tarantula Nebula, also known as 30 Doradus, have been identified and characterized in the Large Magellanic Cloud, an international group of astronomers reports.
Geeking out in the golden years
Thu, 20 Apr 2017 09:02:45 EDT
In the first known study of older adults learning computer programming, a cognitive scientist advocates coding skills for all ages.
Living with a star: NASA and partners survey space weather science
Thu, 20 Apr 2017 09:02:31 EDT
Storms from the sun can affect our power grids, railway systems and underground pipelines. Now scientists and engineers from NASA have assessed the state of science surrounding space weather.
Periodic model predicts spread of Lyme disease
Thu, 20 Apr 2017 09:02:15 EDT
Lyme disease is among the most common vector-borne illnesses in North America, Europe, and some parts of Asia. A spirochete bacterium called Borrelia burgdorferi causes the disease, and blacklegged ticks are responsible for the majority of North American transmissions. In a new paper, researchers present a mathematical model of Lyme disease that incorporates seasonality and climate factors.
Scientific advance for cool clothing: Temperature-wise, that is
Wed, 19 Apr 2017 17:05:35 EDT
A low-cost plastic material has now been developed that could become the basis for clothing that cools the wearer, reducing the need for energy-consuming air conditioning.
Broad advance from chemists dramatically simplifies olefin synthesis
Wed, 19 Apr 2017 17:03:01 EDT
Chemists have discovered a new method that greatly simplifies, and in many cases enables for the first time, the making of a vast range of organic molecules.
Graphene 'copy machine' may produce cheap semiconductor wafers
Wed, 19 Apr 2017 13:17:56 EDT
A new technique may vastly reduce the overall cost of wafer technology and enable devices made from more exotic, higher-performing semiconductor materials than conventional silicon. The new method uses graphene -- single-atom-thin sheets of graphite -- as a sort of 'copy machine' to transfer intricate crystalline patterns from an underlying semiconductor wafer to a top layer of identical material.
Newly discovered exoplanet may be best candidate in search for signs of life
Wed, 19 Apr 2017 13:17:27 EDT
An exoplanet orbiting a red dwarf star 40 light-years from Earth may be the new holder of the title 'best place to look for signs of life beyond the solar system.' Using ESO's HARPS instrument, and other telescopes, astronomers discovered a 'super-Earth' orbiting in the habitable zone around the star LHS 1140. This world is larger and more massive than the Earth and has likely retained most of its atmosphere. This makes it one of the most exciting targets for atmospheric studies.
Properly sorted: More intelligence to bulk material plants
Wed, 19 Apr 2017 12:21:46 EDT
Sand, gravel, coal, deicing salt or diamonds, grain, sugar, coffee or grapes and waste – a lot of everyday goods are more or less grainy. To classify this bulk material by quality and size, it must be sorted in a sophisticated process. Scientists have developed a system which is able to sort much faster, more cheaply and more accurately than previous techniques.