|Top Technology News -- ScienceDaily
Mon, 29 May 2017 23:14:02 EDT
Floating fields for fine fabrication
Mon, 29 May 2017 14:25:35 EDT
A new magnetic system could precisely control the movement of levitating objects for many manufacturing applications.
In the eye of the beholder: Computational artist uses computer programming to produce moving images
Mon, 29 May 2017 14:25:31 EDT
A computational artist uses computer programming to produce moving artistic images.
Harnessing energy from glass walls
Mon, 29 May 2017 14:24:41 EDT
Semi-transparent perovskite solar cells have been developed that could be great candidates for solar windows, say researchers.
Taking control back from the cloud
Mon, 29 May 2017 14:24:39 EDT
A user-controlled file security scheme makes it possible to instantly revoke access to files hosted on Internet cloud servers.
Sensing insole for footstrike pattern detection in runners
Mon, 29 May 2017 14:24:11 EDT
A mobile biofeedback device has been developed for footstrike pattern modification for injury prevention and rehabilitation in runners.
Novel treatment for improving leather recovery performance
Mon, 29 May 2017 14:24:09 EDT
A cross-linkable spring-like polymer finishing agent inserted into calfskin leather for high elastic recovery performance.
Camera on NASA's Lunar Orbiter survived 2014 meteoroid hit
Mon, 29 May 2017 14:21:11 EDT
Images from LRO show a brief violent movement of one of the Narrow Angle Cameras on NASA's Lunar Orbiter in October of 2014.
Graphene and quantum dots put in motion a CMOS-integrated camera that can see the invisible
Mon, 29 May 2017 14:21:08 EDT
The first graphene-based camera has now been developed. It is capable of imaging visible and infrared light at the same time. The camera will be useful for many applications such as night vision, food inspection, fire control, vision under extreme weather conditions, among others.
A new spin on electronics: Study discovers a 'miracle material' for field of spintronics
Mon, 29 May 2017 13:37:08 EDT
A new class of 'miracle materials' has been discovered by a team of researchers who say that these organic-inorganic hybrid perovskites could be a game changer for future spintronic devices.
Squeezing every drop of fresh water from waste brine
Mon, 29 May 2017 13:36:59 EDT
A new way to recover almost 100 percent of the water from highly concentrated salt solutions has now been developed by researchers. The system will alleviate water shortages in arid regions and reduce concerns surrounding high salinity brine disposal, such as hydraulic fracturing waste.
Separating DNA: From hours to minutes
Mon, 29 May 2017 11:12:13 EDT
Researchers have developed a glass microchip for ultrafast separation and purification of DNA fragments. The chip, moreover, is easy to produce and cheap.
Engines fire without smoke
Mon, 29 May 2017 09:05:42 EDT
By observing the soot particles formed in a simple flame, researchers have developed a computational model capable of simulating soot production inside the latest gasoline automobile engines1.
Copper hydroxide nanoparticles provide protection against toxic oxygen radicals in cigarette smoke
Mon, 29 May 2017 09:04:33 EDT
Chemists have developed a technique that reduces the toxic effects of commercially available cigarettes. In spite of the fact that the World Health Organization (WHO) estimates that some 6 million people die every year as a consequence of tobacco consumption, the number of smokers around the world is on the rise.
New method improves stability of perovskite quantum dots
Mon, 29 May 2017 09:04:29 EDT
Scientists have built a new type of inorganic nanocomposite that makes perovskite quantum dot exceptionally stable against air exposure, sunlight, heat, and water.
Urban emissions could be cut by seventy per cent
Mon, 29 May 2017 09:00:10 EDT
A researcher has developed a mathematical model that determines the optimal conditions for sustainable urban distribution. The model can reduce logistical pressure in cities and make goods transport more sustainable. In some cases, it may be possible to reduce emissions in cities by seventy per cent.
Novel method to study quantum fluctuations in exotic phases of matter
Mon, 29 May 2017 09:00:04 EDT
We encounter phase transitions in our everyday lives when we witness water freezing or boiling. Similarly, quantum systems at a temperature of absolute zero also experience phase transitions. The pressure or magnetic field applied to such systems can be adjusted so that these systems arrive at a tipping point between two phases. At this point quantum fluctuations, rather than temperature fluctuations, drive these transitions.
Mind-controlled device helps stroke patients retrain brains to move paralyzed hands
Fri, 26 May 2017 16:59:07 EDT
Stroke patients who learned to use their minds to open and close a plastic brace fitted over their paralyzed hands gained some ability to control their own hands when they were not wearing the brace, according to a new study. The participants, all of whom had moderate to severe paralysis, showed significant improvement in grasping objects.
Where rivers meet the sea: Harnessing energy generated when freshwater meets saltwater
Fri, 26 May 2017 14:40:34 EDT
A new hybrid technology has been created that produces unprecedented amounts of electrical power where seawater and freshwater combine at the coast.
Conch shells may inspire better helmets, body armor
Fri, 26 May 2017 14:37:13 EDT
Engineers have uncovered the secret to the exceptional toughness of conch shells, and say the same principles can be used for body armor and helmets.
'Tiny clocks' crystallize understanding of meteorite crashes
Fri, 26 May 2017 14:37:10 EDT
Scientists are using new imaging techniques to measure the atomic nanostructure of ancient crystal fragments at meteorite impact sites. The end goal? To understand when impacts ended and life began.
Scientists make vanadium into a useful catalyst for hydrogenation
Fri, 26 May 2017 08:50:01 EDT
A chemist has boosted and analyzed the unprecedented catalytic activity of an element called vanadium for hydrogenation – a reaction that is used for making everything from vegetable oils to petrochemical products to vitamins.
Atomic-scale imaging improves dating of planetary events
Fri, 26 May 2017 08:49:21 EDT
A new way to improve how we measure the age of planetary evolution in our solar system has been identified by a team of researchers.
Toward mass-producible quantum computers
Fri, 26 May 2017 08:45:21 EDT
Mass-producible quantum computers are closer than ever, thanks to new research. This process for positioning quantum bits in diamond optical circuits could work at large scales, say scientists.
Fruit flies journey to International Space Station to study effects of zero gravity on the heart
Thu, 25 May 2017 19:55:36 EDT
Researchers have announced that six boxes of fruit flies (Drosophila melanogaster) will travel to the International Space Station (ISS) to study the impact of weightlessness on the heart. The fruit flies are scheduled to launch on June 1, 2017, from NASA’s Kennedy Space Center and will travel to the ISS via a SpaceX Dragon spacecraft.
Chemists synthesize molecular pretzels
Thu, 25 May 2017 19:55:06 EDT
Chemists have discovered a new class of molecules. In a new article, they outline pretzel-like molecules consisting of two molecular rings 'oppositely' coupled at a central carbon atom. The discovery is an important step towards synthesis of lasso peptides, and the new molecules have a potential use as medicines, say investigators.
The 'ideal' teacher? It's all in your mind
Thu, 25 May 2017 16:13:38 EDT
A study leverages the unvarnished opinions of Redditors to further our understanding of what makes a good educator.
'Drastically' higher resolution to your TV and smartphone
Thu, 25 May 2017 14:58:51 EDT
By developing a way to tune the color of individual pixels, researchers have eliminated the need for subpixels -- allowing a greater density of pixels and much higher resolution for video displays.
Extreme Jupiter weather and magnetic fields
Thu, 25 May 2017 14:58:44 EDT
New observations about the extreme conditions of Jupiter's weather and magnetic fields by astronomers have contributed to the revelations and insights coming from the first close passes of Jupiter by NASA's Juno mission.
Multiscale modeling reveals key events during early atherosclerotic plaque development
Thu, 25 May 2017 14:16:13 EDT
A new computational modeling technique could indicate when atherosclerotic plaques will likely undergo rapid growth, reports a new study.
US nuclear regulators greatly underestimate potential for nuclear disaster
Thu, 25 May 2017 14:15:44 EDT
The US Nuclear Regulatory Commission relied on faulty analysis to justify its refusal to adopt a critical measure for protecting Americans from nuclear-waste fires at dozens of reactor sites around the country, according to a recent article. Radioactivity from such a fire could force approximately 8 million people to relocate and result in $2 trillion in damages.
Magnetic switch turns strange quantum property on and off
Thu, 25 May 2017 14:15:41 EDT
A research team has developed the first switch that turns on and off a quantum behavior called the Berry phase. The discovery promises to provide new insight into the fundamentals of quantum theory and may lead to new quantum electronic devices.
Juno mission to Jupiter delivers first science results
Thu, 25 May 2017 14:15:38 EDT
NASA's Juno mission is rewriting what scientists thought they knew about Jupiter specifically, and gas giants in general, according to a pair of Science papers released today. The Juno spacecraft has been in orbit around Jupiter since July 2016, passing within 3,000 miles of the equatorial cloudtops.
The big star that couldn't become a supernova
Thu, 25 May 2017 14:15:32 EDT
For the first time in history, astronomers have been able to watch as a dying star was reborn as a black hole. It went out with a whimper instead of a bang.
Water forms 'spine of hydration' around DNA, group finds
Thu, 25 May 2017 14:15:30 EDT
How water relates to and interacts with biological systems -- like DNA, the building block of all living things -- is of critical importance, and a research group has used a relatively new form of spectroscopy to observe a previously unknown characteristic of water.
Concrete for taller wind turbine towers passes tests, could help expand wind energy nationwide
Thu, 25 May 2017 13:12:45 EDT
An 18-month, $1 million study of concrete technology for taller wind turbine towers has just wrapped up, with results indicating that the taller towers could enable wind energy production in all 50 states.
Solving the riddle of the snow globe
Thu, 25 May 2017 10:38:13 EDT
A new study finds the sedimentation of asymmetric objects in liquid is very different from that of symmetrical objects like spheres. The research may have practical applications in improving water treatment and industrial processes.
Unveiling the quantum necklace
Thu, 25 May 2017 10:03:11 EDT
The quantum world is both elegant and mysterious. It is a sphere of existence where the laws of physics experienced in everyday life are broken -- particles can exist in two places at once, they can react to each other over vast distances, and they themselves seem confused over whether they are particles or waves. For those not involved in the field, this world may seem trifling, but recently, researchers have theoretically described two quantum states that are extraordinary in both the physics that define them and their visual appeal: a complex quantum system that simulates classical physics and a spellbinding necklace-like state.
Controlling 3-D behavior of biological cells using laser holographic techniques
Thu, 25 May 2017 10:03:07 EDT
Scientists have developed an optical manipulation technique that can freely control the position, orientation, and shape of microscopic samples having complex shapes.
New way to control light with electric fields
Thu, 25 May 2017 10:02:59 EDT
Researchers have discovered a technique for controlling light with electric fields.
Sheets of food transform into 3-D shapes when dunked in water
Thu, 25 May 2017 10:02:33 EDT
Researchers have concocted something akin to edible origami, in the form of flat sheets of gelatin and starch that, when submerged in water, instantly sprout into three-dimensional structures, including common pasta shapes such as macaroni and rotini.
Study uncovers large-scale volatility index (VIX) manipulation
Thu, 25 May 2017 08:54:45 EDT
Newly examined aggregate evidence points to large-scale potential manipulation of the CBOE’s Volatility Index (VIX), according to a study.
Scientists borrow from electronics to build circuits in living cells
Thu, 25 May 2017 08:51:23 EDT
Synthetic biology researchers have demonstrated a new method for digital information processing in living cells, analogous to the logic gates used in electric circuits. The circuits are the largest ever published to date in eurkaryotic cells and a key step in harnessing the potential of cells as living computers that can respond to disease, efficiently produce biofuels or develop plant-based chemicals.
High pressure key to lighter, stronger metal alloys, scientists find
Thu, 25 May 2017 08:51:20 EDT
Subjecting complex metal mixtures called high-entropy alloys to extremely high pressures could lead to finer control over the arrangement of their atoms, which in turn can result in more desirable properties.
Fighting forgery with paper fingerprints
Wed, 24 May 2017 19:16:12 EDT
A cyber team has found a simple new way to prevent forgery of official documents such as certificates and passports. Fingerprinting official documents could provide a cost-effective way to prevent forgery, they say.
From blue and black dresses to turbine blades, here's the science of 'fake fake' photographs
Wed, 24 May 2017 19:16:09 EDT
A new study reveals the science behind a 'trick of the light' that made high-profile photographs of a major piece of public art appear 'faked' despite the pictures being entirely genuine. Vision science researchers found images of the 75-meter long wind turbine appeared super-imposed because of a visual illusion caused by light reflections playing on preconceived notions about how objects are lit in natural settings, altering the object's shape to the human eye.
Patients in rural hospitals can save thousands of dollars if local hospital is part of tele-emergency room network
Wed, 24 May 2017 16:26:21 EDT
Patients in small towns can save thousands of dollars in health care costs by avoiding transfer to a larger facility if their local rural hospital is part of a tele-emergency room network, according to a new study.
Printed, flexible and rechargeable battery can power wearable sensors
Wed, 24 May 2017 15:26:44 EDT
Nanoengineers have developed the first printed battery that is flexible, stretchable and rechargeable. The zinc batteries could be used to power everything from wearable sensors to solar cells and other kinds of electronics.
New online database has answers on mitochondrial disorders
Wed, 24 May 2017 15:26:31 EDT
Providing answers - or at least more information - to the most difficult medical questions is the aim of medical scientists. And how research findings are translated and made available can be as important as the discoveries themselves.
New brain mapping tool produces higher resolution data during brain surgery
Wed, 24 May 2017 15:26:20 EDT
Researchers have developed a new device to map the brain during surgery and distinguish between healthy and diseased tissues. The device provides higher resolution neural readings than existing tools used in the clinic and could enable doctors to perform safer, more precise brain surgeries.
Nanoalloys ten times as effective as pure platinum in fuel cells
Wed, 24 May 2017 14:07:31 EDT
A new type of nanocatalyst can result in the long-awaited commercial breakthrough for fuel cell cars. Research results show that it is possible to significantly reduce the need for platinum, a precious and rare metal, by creating a nanoalloy using a new production technique. The technology is also well suited for mass production.
Shedding light on how humans walk, with robots
Wed, 24 May 2017 14:07:19 EDT
Patients walking in clinical robotic suits do not modify their gait in response to forces that are meant to alter the height of their steps, though they do respond to alterations in step length, providing insight into how the human brain executes walking and improving rehabilitative robot design, researchers have discovered.
New modified toy car designs offer children with disabilities more options
Wed, 24 May 2017 14:07:13 EDT
Researchers have developed two new modified toy car designs for children with disabilities in an effort to encourage them to further explore, play, and engage in physical and social activities.
Your mobile phone can reveal whether you have been exposed to radiation
Wed, 24 May 2017 14:03:24 EDT
In accidents or terror attacks which are suspected to involve radioactive substances, it can be difficult to determine whether people nearby have been exposed to radiation. But by analysing mobile phones and other objects which come in close contact with the body, it is possible to retrieve important information on radiation exposure.
Just after the Big Bang: Galaxies created stars a hundred times faster now
Wed, 24 May 2017 13:11:49 EDT
A team of astronomers has discovered a new kind of galaxy which, although extremely old -- formed less than a billion years after the Big Bang -- creates stars more than a hundred times faster than our own Milky Way.
System piggybacks on Bitcoin to prevent identity theft
Wed, 24 May 2017 13:11:31 EDT
Researchers have developed a new system that uses Bitcoin's security machinery to defend against online identity theft.
Paper test strip could help heart failure patients monitor their condition at home
Wed, 24 May 2017 11:00:21 EDT
Contrary to the condition's name, heart failure doesn't mean the heart has stopped pumping -- it's just not working at full strength. It can often be managed with medications and lifestyle changes, but its progression needs to be monitored closely. Now scientists have developed a new test strip that could potentially allow patients to do this at home for the first time.
Neutrons provide the first nanoscale look at a living cell membrane
Wed, 24 May 2017 11:00:14 EDT
A research team has performed the first-ever direct nanoscale examination of a living cell membrane. In doing so, it also resolved a long-standing debate by identifying tiny groupings of lipid molecules that are likely key to the cell's functioning.
How most antimatter in the Milky Way forms: Mystery solved
Wed, 24 May 2017 10:45:51 EDT
Astrophysicists have now shown how most of the antimatter in the Milky Way forms.
Volunteers help find star that exploded 970 million years ago, predating the dinosaurs
Wed, 24 May 2017 10:15:22 EDT
Online volunteers have helped astronomers find a star that exploded 970 million years ago, predating the dinosaurs' time on Earth.
One-dimensional crystals for low-temperature thermoelectric cooling
Wed, 24 May 2017 10:15:16 EDT
Researchers studied the thermal and electrical properties of one-dimensional crystals composed of tantalum, silicon and tellurium for thermoelectric cooling at temperatures below 250 K (-23°C). The thermoelectric characteristics of these crystals were varied at temperatures ranging from the cryogenic level of 50 K up to room temperature by doping with molybdenum and antimony. The crystals' thermoelectric power factors greatly exceeded those of conventional materials around room temperature, indicating their suitability for low-temperature applications.