|Top Technology News -- ScienceDaily
Sun, 22 Jan 2017 13:06:01 EST
New 'smart needle' to make brain surgery safer
Fri, 20 Jan 2017 10:09:10 EST
A new high-tech medical device to make brain surgery safer has now been developed.
New, old science combine to make faster medical test
Thu, 19 Jan 2017 19:45:31 EST
Magnetic nanoparticles are coated with an antibody, then aligned in formation within a magnetic field and tallied under laser optics. The result could lead to speedy diagnoses for infectious diseases.
Astronomer searches for signs of life on Wolf 1061 exoplanet
Thu, 19 Jan 2017 16:15:46 EST
Astronomers have located the habitable zone, the region where water could exist on the surface of a planet, on the Wolf 1061, a planetary system that's 14 light years away.
Seeking structure with metagenome sequences
Thu, 19 Jan 2017 16:15:40 EST
Scientists now report that structural models have been generated for 12 percent of the protein families that had previously had no structural information available.
System links data scattered across files, for easy querying
Thu, 19 Jan 2017 16:15:34 EST
System finds and links related data scattered across digital files, for easy querying and filtering.
Your 'anonmyized' web browsing history may not be anonymous
Thu, 19 Jan 2017 13:45:40 EST
Researchers have written computer programs that found patterns among anonymized data about web traffic and used those patterns to identify individual users. The researchers note web users with active social media are vulnerable to the attack.
Technological progress alone won't stem resource use
Thu, 19 Jan 2017 12:02:34 EST
While some scientists believe that the world can achieve significant dematerialization through improvements in technology, a new study finds that technological advances alone will not bring about dematerialization and, ultimately, a sustainable world. The researchers found that no matter how much more efficient and compact a product is made, consumers will only demand more of that product and in the long run increase the total amount of materials used in making that product.
Creating atomic scale nanoribbons
Thu, 19 Jan 2017 12:02:24 EST
A recent study has demonstrated the first important step toward integrating atomically precise graphene nanoribbons (APGNRs) onto nonmetallic substrates.
Advances in imaging detect blunt cerebrovascular injury more frequently in trauma patients
Thu, 19 Jan 2017 12:02:21 EST
Advances in diagnostic imaging technology have meant that more trauma patients are being diagnosed with blunt cerebrovascular injuries, and as a result, stroke and related death rates in these patients have declined significantly over the past 30 years. These changes are due to the evolution of imaging technology, namely CT-scanning, and its wide availability in hospitals large and small, according to a new study.
Theorists propose new class of topological metals with exotic electronic properties
Thu, 19 Jan 2017 11:09:38 EST
Researchers have proposed a theory-based approach to characterize a class of metals that possess exotic electronic properties that could help scientists find other, similarly-endowed materials.
Making AI systems that see the world as humans do
Thu, 19 Jan 2017 11:09:35 EST
An artificial intelligence system has been developed that performs at human levels on a standard intelligence test.
One in five adults secretly access their friends' Facebook accounts
Thu, 19 Jan 2017 10:02:47 EST
Most people are concerned about the prospect of their social media accounts being hacked, but a new study finds that it's actually people we know who frequently access our accounts without our permission.
Meeting the challenges of nanotechnology: Nanoscale catalytic effects for nanotechnology
Thu, 19 Jan 2017 10:02:42 EST
Scientists show nanoscale modifications to the edge region of nanocontacts to nanowires can be used to engineer the electrical function of the interfaces.
'Marine repairmen': Limpets are construction workers of the seashore
Thu, 19 Jan 2017 10:02:30 EST
New research shows that limpets can repair their damaged shells with biological material so that they are as strong as the originals. However, they are still vulnerable to multiple impacts and 'spalling' -- a well-known cause of failure in engineering materials such as concrete.
Telecommuting extends the work week, at little extra pay
Thu, 19 Jan 2017 09:58:39 EST
Telecommuting may not be as advantageous as employees think. A new study shows working from home adds extra hours to the work week, at little additional pay. The findings may change workers' perceptions of the value of telecommuting and could spur employers to better define the work-at-home workday.
Magnetic moment of a single antiproton determined with greatest precision ever
Thu, 19 Jan 2017 09:57:32 EST
Physicists have published the most accurate measurement of a fundamental property of the antiproton to date. This research represents a contribution to the matter-antimatter debate.
Graphene's sleeping superconductivity awakens
Thu, 19 Jan 2017 08:46:19 EST
The intrinsic ability of graphene to superconduct (or carry an electrical current with no resistance) has been activated for the first time. This further widens the potential of graphene as a material that could be used in fields such as energy storage, high-speed computing, and molecular electronics.
Chip-sized, high-speed terahertz modulator raises possibility of faster data transmission
Thu, 19 Jan 2017 08:40:56 EST
Engineers have invented a chip-sized, high-speed modulator that operates at terahertz (THz) frequencies and at room temperature at low voltages without consuming DC power. The discovery could help fill the “THz gap” that is limiting development of new and more powerful wireless devices that could transmit data at significantly higher speeds than currently possible.
New study will help find the best locations for thermal power stations in Iceland
Thu, 19 Jan 2017 08:38:19 EST
A new research article gives indications of the best places in Iceland to build thermal power stations.
Blood-repellent materials: A new approach to medical implants
Wed, 18 Jan 2017 16:37:31 EST
Medical implants like stents, catheters and tubing introduce risk for blood clotting and infection -- a perpetual problem for many patients. Engineers now offer a potential solution: A specially grown, 'superhemophobic' titanium surface that's extremely repellent to blood. The material could form the basis for surgical implants with lower risk of rejection by the body.
Soft robot helps the heart beat
Wed, 18 Jan 2017 14:37:55 EST
A customizable soft robot that fits around a heart and helps it beat has now been developed by researchers, potentially opening new treatment options for people suffering from heart failure.
Magnetic recording with light and no heat
Wed, 18 Jan 2017 13:24:30 EST
A strong short light pulse can record data on a magnetic layer of yttrium iron garnet doped with Co-ions. The novel mechanism outperforms existing alternatives allowing ever fastest write-read magnetic recording accompanied by unprecedentedly low heat load, researchers report.
A toolkit for transformable materials
Wed, 18 Jan 2017 13:23:03 EST
Researchers have developed a general framework to design reconfigurable metamaterials. The design strategy is scale independent, meaning it can be applied to everything from meter-scale architectures to reconfigurable nano-scale systems such as photonic crystals, waveguides and metamaterials to guide heat.
Traffic jam in empty space
Wed, 18 Jan 2017 13:22:44 EST
An important step towards a completely new experimental access to quantum physics has been made by researchers in Germany. The team of scientists has now shown how to manipulate the electric vacuum field and thus generate deviations from the ground state of empty space which can only be understood in the context of the quantum theory of light.
Which facebook 'friends' help most when looking for a job? Depends where you live in the world
Wed, 18 Jan 2017 12:57:41 EST
Research used anonymous Facebook data from almost 17 million social connections in 55 countries to determine that the role of weak and strong ties in job searches is important around the world, but the value of a single strong tie is even more important for job seekers in countries with pronounced income inequality.
Heartbeat could be used as password to access electronic health records
Wed, 18 Jan 2017 12:52:40 EST
Researchers have devised a new way to protect personal electronic health records using a patient's own heartbeat.
Deep-space mission to metal asteroid
Wed, 18 Jan 2017 12:41:45 EST
Scientists are planning to send a deep-space probe to a metal asteroid, enabling them to see what is believed to be a planetary core. Psyche, an asteroid orbiting the sun between Mars and Jupiter, is made almost entirely of nickel-iron metal.
Luminescent proteins provide color to ecological and cheap bio-displays
Wed, 18 Jan 2017 10:38:53 EST
Mobile phone, computer and TV displays all use very expensive color filters and other components, which cannot be easily recycled. Scientists have designed a new screen, which is cheaper and ecological as it uses a hybrid material. This material's luminescent proteins can be used in backlighting systems and color filters made using a 3-D printing technique.
Harnessing the energy of fireworks for fuel
Wed, 18 Jan 2017 10:38:46 EST
The world relies heavily on gasoline and other hydrocarbons to power its cars and trucks. In search of an alternative fuel type, some researchers are turning to the stuff of fireworks and explosives: metal powders. And now one team is reporting a method to produce a metal nanopowder fuel with high energy content that is stable in air and doesn't go boom until ignited.
Toward a 'smart' patch that automatically delivers insulin when needed
Wed, 18 Jan 2017 10:38:44 EST
Treatment for certain diabetes cases involves constant monitoring of blood-glucose levels and daily insulin shots. But scientists are now developing a painless 'smart' patch that monitors blood glucose and releases insulin when levels climb too high. The device has been tested on mice.
Researchers develop ways to improve machining, milling processes
Wed, 18 Jan 2017 10:34:51 EST
Fixing flaws introduced during the machining of large components used in the aircraft and heavy equipment industries can be time-consuming for manufacturers – and costly if they must scrap the flawed parts after they’ve been fabricated. A new approach is helping manufacturers eliminate those flaws before the parts are created.
Explaining how 2-D materials break at the atomic level
Wed, 18 Jan 2017 08:33:52 EST
Physicists have found that to shed light on the cracking of MoS2, we must go beyond the theory used so far.
Nanofibers developed for healing bone fractures
Wed, 18 Jan 2017 08:28:03 EST
In future, it may be possible to use nanofibres to improve the attachment of bone implants, or the fibers may be used directly to scaffold bone regeneration. This would aid the healing of fractures and may enable the care of osteoporosis. This is detailed in a new dissertation.
Finding ways to fix the climate before it is too late
Wed, 18 Jan 2017 08:26:41 EST
Scientists and policymakers rely on complex computer simulations called Integrated Assessment Models to figure out how to address climate change. But these models need tinkering to make them more accurate.
Compound eyes for industry and smartphone
Wed, 18 Jan 2017 08:26:28 EST
Researchers have developed a process enabling the production of a two millimeter flat camera. Similar to the eyes of insects, its lens is partitioned into 135 tiny facets. Following nature‘s model, the researchers have named their mini-camera concept facetVISION.
To each driver the appropriate vehicle
Wed, 18 Jan 2017 08:26:24 EST
Bringing mobility into Germany’s transition to a new energy economy is a complex undertaking. While carmakers are developing more economical combustion engines and alternative drive systems, research establishments and companies are working on making more efficient use of vehicles. A new data logger simultaneously collects data from vehicles with combustion engines, electric drives, external sensors, and location data, and permits the development of new hybrid and electric vehicles.
Milestone in graphene production
Wed, 18 Jan 2017 08:26:20 EST
For the first time, it is now possible to produce functional OLED electrodes from graphene. The OLEDs can, for example, be integrated into touch displays, and the miracle material graphene promises many other applications for the future.
A big nano boost for solar cells
Wed, 18 Jan 2017 08:24:39 EST
Solar cells convert light into electricity. While the sun is one source of light, the burning of natural resources like oil and natural gas can also be harnessed.
Birds of a feather flock together to confuse potential predators
Tue, 17 Jan 2017 19:26:59 EST
Scientists have created a computer game style experiment which sheds new light on the reasons why starlings flock in massive swirling groups over wintering grounds.
Researchers zero-in on cholesterol's role in cells
Tue, 17 Jan 2017 16:30:39 EST
For the first time, by using a path-breaking optical imaging technique to pinpoint cholesterol's location and movement within the cell membrane, chemists have made the surprising finding that cholesterol is a signaling molecule that transmits messages across the cell membrane.
Strength of hair inspires new materials for body armor
Tue, 17 Jan 2017 16:30:36 EST
In a new study, researchers are investigating why hair is incredibly strong and resistant to breaking. The findings could lead to the development of new materials for body armor and help cosmetic manufacturers create better hair care products.
Scientists make plastic from pine trees
Tue, 17 Jan 2017 14:02:10 EST
Most current plastics are made from oil, which is unsustainable. However, scientists have now developed a renewable plastic from a chemical called pinene found in pine needles.
Study applies game theory to genomic privacy
Tue, 17 Jan 2017 14:01:53 EST
A new study presents an unorthodox approach to protect the privacy of genomic data, showing how optimal trade-offs between privacy risk and scientific utility can be struck as genomic data are released for research. The framework can be used to suppress just enough genomic data to persuade would-be snoops that their best privacy attacks will be unprofitable.
Why scientists should research emojis and emoticons :-P
Tue, 17 Jan 2017 14:01:40 EST
More than 90 percent of online populations now incorporate emojis and emoticons into their texts and emails, and researchers are wondering what the use of (~_^), (>_<), or =D can reveal about human behavior. Emojis and emoticons can be used as tools for evaluating how we relate to each other in the digital age.
Microbiologists make big leap in developing 'green' electronics
Tue, 17 Jan 2017 14:00:09 EST
Microbiologists report that they have discovered a new type of natural wire produced by bacteria that could greatly accelerate the researchers' goal of developing sustainable 'green' conducting materials for the electronics industry.
Discovery could lead to jet engines that run hotter -- and cleaner
Tue, 17 Jan 2017 13:59:07 EST
Researchers have made a discovery in materials science that sounds like something from the old Saturday morning cartoon Super Friends: they've found a way to deactivate 'nano twins' to improve the high-temperature properties of superalloys that are used in jet engines.
A tale of two pulsars' tails: Plumes offer geometry lessons to astronomers
Tue, 17 Jan 2017 13:57:43 EST
Like cosmic lighthouses sweeping the universe with bursts of energy, pulsars have fascinated and baffled astronomers since they were first discovered 50 years ago. In two studies, international teams of astronomers suggest that recent images from NASA's Chandra X-ray Observatory of two pulsars -- Geminga and B0355+54 -- may help shine a light on the distinctive emission signatures of pulsars, as well as their often perplexing geometry.
Likely cause -- and potential prevention -- of vision deterioration in space
Tue, 17 Jan 2017 13:57:19 EST
Vision deterioration in astronauts who spend a long time in space is likely due to the lack of a day-night cycle in intracranial pressure. But using a vacuum device to lower pressure for part of each day might prevent the problem, researchers said.
Crowdfunding expands innovation financing to underserved regions
Tue, 17 Jan 2017 13:57:14 EST
Crowdfunding platforms, such as Kickstarter, have opened a funding spigot to startups in regions that have suffered from a venture capital drought, a new study shows.
A better way to make renewable hydrogen
Tue, 17 Jan 2017 13:57:03 EST
Scientists have developed a method which boosts the longevity of high-efficiency photocathodes in photoelectrochemical water-splitting devices.
Self-assembling particles brighten future of LED lighting
Tue, 17 Jan 2017 10:50:49 EST
Researchers have illuminated another path forward for LED technologies by refining the manufacturing of light sources made with crystalline substances known as perovskites, a more efficient and potentially lower-cost alternative to materials used in LEDs found on store shelves.
The sun in detail: Contorted center of sunspot nearly twice the size of Earth
Tue, 17 Jan 2017 10:18:35 EST
New images have revealed otherwise invisible details of our Sun, including a new view of the dark, contorted center of a sunspot that is nearly twice the diameter of the Earth. The images are the first ever made of the Sun with a facility where ESO is a partner. The results are an important expansion of the range of observations that can be used to probe the physics of our nearest star.
UV light can aid hospitals' fight to wipe out drug-resistant superbugs
Tue, 17 Jan 2017 08:38:36 EST
A new tool -- a type of ultraviolet light called UVC -- could aid hospitals in the ongoing battle to keep drug-resistant bacteria from lingering in patient rooms and causing new infections.
Candidates for bionic hand reconstruction
Tue, 17 Jan 2017 08:38:32 EST
Researchers offer a treatment algorithm, or protocol, for identifying patients with global (flail arm) brachial plexus injuries who are likely to benefit from trading in their insensate and nonfunctional hand for a myoelectric prosthetic device.
Nanotechnology: Lighting up ultrathin films
Tue, 17 Jan 2017 08:30:34 EST
Based on a study of the optical properties of novel ultrathin semiconductors, researchers have developed a method for rapid and efficient characterization of these materials.
Student, professor use sports analytics to discover NCAA ranking patterns
Mon, 16 Jan 2017 17:14:00 EST
Does conference size impact conference rankings in NCAA men's basketball? According to research and analysis, it does.
Flexible ferroelectrics bring two material worlds together
Mon, 16 Jan 2017 16:11:04 EST
Thanks to a new discovery, scientists have pioneered a new class of materials with advanced functionalities that moves the idea of flexible ferroelectrics from the realm of oxymoron into reality.
Astrophysicists discover dimming of binary star
Mon, 16 Jan 2017 16:11:02 EST
A team astrophysicists has observed the unexplained fading of an interacting binary star, one of the first discoveries using the Sarah L. Krizmanich Telescope.
For first time ever, x-ray imaging captures material defect process
Mon, 16 Jan 2017 16:10:58 EST
A new approach has been uncovered to detail the formation of material defects at the atomic scale and in near-real time, an important step that could assist in engineering better and stronger new materials.
Galaxy murder mystery
Mon, 16 Jan 2017 16:06:20 EST
It’s the big astrophysical whodunnit. Across the Universe, galaxies are being killed and the question scientists want answered is, what’s killing them?