|Top Technology News -- ScienceDaily
Sun, 23 Apr 2017 01:44:02 EDT
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.
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.
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.
Hazardous asteroid effects ranked from least to most destructive
Wed, 19 Apr 2017 12:20:15 EDT
If an asteroid struck Earth, which of its effects -- scorching heat, flying debris, towering tsunamis -- would claim the most lives? A new study has the answer: violent winds and shock waves are the most dangerous effects produced by Earth-impacting asteroids.
New method to create the next fuel-efficient renewable energy developed
Wed, 19 Apr 2017 12:20:12 EDT
The fossil fuel fight goes on for scientists as they develop a new method for creating reversible hydrogen storage based on methanol, with no carbon emissions, in the last major paper co-authored by USC's first Nobel laureate, the late George Olah.
Making batteries from waste glass bottles
Wed, 19 Apr 2017 11:24:44 EDT
Researchers have used waste glass bottles and a low-cost chemical process to create nanosilicon anodes for high-performance lithium-ion batteries. The batteries will extend the range of electric vehicles and plug-in hybrid electric vehicles, and provide more power with fewer charges to personal electronics like cell phones and laptops.
Online preconception health education tool positively impacts patient care
Wed, 19 Apr 2017 10:08:55 EDT
A research team has evaluated MyFamilyPlan and found that it enabled a significant increase in the proportion of women who reported discussing their reproductive health with their doctors.
Graphene and gold make a better brain probe
Wed, 19 Apr 2017 10:08:52 EDT
Scientists have created more flexible neural electrodes that minimize tissue damage and still transmit clear brain signals.
Nanoparticles remain unpredictable
Wed, 19 Apr 2017 10:08:41 EDT
The way that nanoparticles behave in the environment is extremely complex. There is currently a lack of systematic experimental data to help understand them comprehensively, as environmental scientists have shown in a large overview study. A more standardized approach would help to advance the research field.
Shale gas threat to forests can be eased by consolidating infrastructure
Wed, 19 Apr 2017 10:08:36 EDT
Fragmentation of ecologically important core forests within the northern Appalachians -- driven by pipeline and access road construction -- is the major threat posed by shale-gas development, according to researchers, who recommend a change in infrastructure-siting policies to head off loss of this critical habitat.
Degradable electronic components created from corn starch
Wed, 19 Apr 2017 10:08:34 EDT
As consumers upgrade their gadgets at an increasing pace, the amount of electronic waste we generate continues to mount. To help combat this environmental problem, researchers have modified a degradable bioplastic derived from corn starch or other natural sources for use in more eco-friendly electronic components.
Making artificial blood for transfusions
Wed, 19 Apr 2017 10:08:31 EDT
Blood transfusions can save the lives of patients who have suffered major blood loss, but hospitals don't always have enough or the right type on hand. In search of a solution, researchers have developed a promising substitute using blood's oxygen-carrying component, hemoglobin. This in vitro study found that the modified hemoglobin was an effective oxygen carrier and also scavenged for potentially damaging free radicals.
Gaming helps personalized therapy level up
Wed, 19 Apr 2017 10:08:28 EDT
Using game features in non-game contexts, computers can learn to build personalized mental- and physical-therapy programs that enhance individual motivation, according to engineers.
Making oil from algae: Towards more efficient biofuels
Wed, 19 Apr 2017 09:31:46 EDT
The mechanism behind oil synthesis within microalgae cells has now been revealed by a research team. This discovery could contribute to the development of biofuels, they say.
Robotic cheetah created
Wed, 19 Apr 2017 09:31:44 EDT
Engineers have developed a prototype cheetah robot. They have constructed a scaled-down robotic version of the fastest land animal in the world, with a view to replicating its movements. Relatively speaking, the robot moves using only about fifteen percent more energy than a real cheetah.
Reduction of post-traumatic stress symptoms associated with noninvasive technology
Wed, 19 Apr 2017 09:16:34 EDT
A closed-loop acoustic stimulation brainwave technology significantly reduced symptoms in people suffering from post-traumatic stress in a small pilot study, report scientists.
Personalized workouts to prevent heart disease designed by new digital instrument
Wed, 19 Apr 2017 09:16:04 EDT
Personalized workouts to prevent heart disease can be designed by a new digital instrument, according to research. The EXPERT tool specifies the ideal exercise type, intensity, frequency, and duration needed to prevent a first or repeat cardiovascular event.
Skin model: Gelatine instead of forearm
Wed, 19 Apr 2017 09:15:57 EDT
The characteristics of human skin are heavily dependent on the hydration of the tissue -- in simple terms, the water content. This also changes its interaction with textiles. Up to now, it has only been possible to determine the interaction between human skin and textiles by means of clinical trials on human subjects. Now, researchers have developed an artificial gelatine-based skin model that simulates human skin almost perfectly.
Climate change and risk to fossil fuel industry: Sustainability train has left the station
Tue, 18 Apr 2017 16:00:36 EDT
New research examines the climate-related risks facing the fossil fuel industry and conclude that the sustainability train has already well and truly left the station -- and is not coming back.
Adjusting solar panel angles a few times a year makes them more efficient
Tue, 18 Apr 2017 16:00:25 EDT
With Earth Day approaching, new research could help people save more energy, regardless of location, if they adjust the angles of solar panels four to five times a year, based on the seasons.
New method can model chemistry in extreme magnetic fields of white dwarfs
Tue, 18 Apr 2017 15:12:45 EDT
Approximately 10-20 percent of white dwarfs exhibit strong magnetic fields, which can reach up to 100,000 tesla. However, on Earth, the strongest magnetic fields that can be generated using nondestructive magnets are about 100 tesla. Therefore, studying the chemistry in such extreme conditions is only possible using theory and until now has not provided much insight to the spectra accompanying white dwarfs.
Better living through pressure: Functional nanomaterials made easy
Tue, 18 Apr 2017 13:52:54 EDT
Using pressure instead of chemicals, nanoparticles have been fabricated into nanowire arrays similar to those that underlie touch-screens for phones, computers, TVs, and sensors. The pressure process takes nanoseconds instead of the hours required by industry's current chemical means, say investigators.
Using nanoparticles to detect deadly viruses
Tue, 18 Apr 2017 11:55:34 EDT
A system composed of two different types of nanoparticles can be used to accurately, sensitively and quickly detect viruses.
Energy-efficient computing: Damping gives a faster switch
Tue, 18 Apr 2017 11:53:53 EDT
Controlling memory with electric fields enables faster and more energy-efficient computing.
The perfect pattern to trap light
Tue, 18 Apr 2017 11:53:51 EDT
Superimposing two lattices of similar periods creates structures that researchers can design to control and localize light.