|Top Technology News -- ScienceDaily
Fri, 21 Jul 2017 14:14:02 EDT
Ultrathin device harvests electricity from human motion
Fri, 21 Jul 2017 13:19:49 EDT
A new electrochemical energy harvesting device can generate electrical current from the full range of human motions and is thin enough to embed in clothing.
Superluminous supernova marks the death of a star at cosmic high noon
Fri, 21 Jul 2017 12:25:41 EDT
The death of a massive star in a distant galaxy 10 billion years ago created a rare superluminous supernova, one of the most distant ever discovered. The brilliant explosion, more than three times as bright as the 100 billion stars of our Milky Way galaxy combined, occurred about 3.5 billion years after the big bang at a period known as 'cosmic high noon,' when the rate of star formation in the universe reached its peak.
Scanning the surface of lithium titanate
Fri, 21 Jul 2017 10:55:36 EDT
Researchers have applied advanced scanning methods to visualize the previously unexplored surface of a superconductor: lithium titanate.
Energy-efficient accelerator was 50 years in the making
Fri, 21 Jul 2017 10:39:26 EDT
With the introduction of the Cornell-Brookhaven ERL Test Accelerator, scientists are following up on the concept of energy-recovering particle accelerators first introduced by physicist Maury Tigner at Cornell more than 50 years ago.
The moon is front and center during a total solar eclipse
Fri, 21 Jul 2017 10:31:22 EDT
In the lead-up to a total solar eclipse, most of the attention is on the sun, but Earth's moon also has a starring role.
Flashes of light on dark matter
Fri, 21 Jul 2017 10:13:06 EDT
A web that passes through infinite intergalactic spaces, a dense cosmic forest illuminated by very distant lights and a huge enigma to solve. These are the picturesque ingredients of a scientific research that adds an important element for understanding one of the fundamental components of our Universe: dark matter.
Five times the computing power
Fri, 21 Jul 2017 10:12:56 EDT
Researchers have developed a method to increase by a factor of five the computing power of a standard algorithm when performed in one type of standard chip, FPGA. The new method is both simple and smart, but the road to publication has been long.
Most precise measurement of the proton's mass
Fri, 21 Jul 2017 09:54:50 EDT
By means of precision measurements on a single proton, scientists have been able to improve the precision of the measurement of the mass of the proton by a factor of three and also corrected the existing value, finding it is significantly lighter than previously believed.
Social media: Simplifying surveillance
Fri, 21 Jul 2017 09:54:38 EDT
The controversial Snap Map app enables Snapchat users to track their friends. This is the latest in a series of monitoring tools to be built on social media platforms. A new study assesses the benefits and risks associated with their use.
How enzymes produce hydrogen
Fri, 21 Jul 2017 09:54:32 EDT
Researchers have clarified the crucial catalytic step in the production of hydrogen by enzymes. The enzymes, called [FeFe]-hydrogenases, efficiently turn electrons and protons into hydrogen. They are thus a candidate for the biotechnological production of the potential energy source.
Sparkling springs aid quest for underground heat energy sources
Fri, 21 Jul 2017 09:54:21 EDT
Studies of naturally carbonated mineral water have given scientists insight on how to locate hot water springs -- potential sources of sustainable geothermal energy.
Holographic imaging could be used to detect signs of life in space
Fri, 21 Jul 2017 08:47:24 EDT
Engineers say a method called digital holographic microscopy could be used to detect living microbes in space.
Micro- and nanotechnologies for quantitative biology and medicine
Fri, 21 Jul 2017 08:47:21 EDT
Ten new reviews and original research reports that illustrate how the progression of research assays from qualitative outputs toward increasingly sensitive quantitative outputs is transforming life sciences and biomedical research and diagnostics by improving the ability of researchers and clinicians to detect and quantify increasingly complex assays.
Vortex photons from electrons in circular motion
Fri, 21 Jul 2017 08:46:57 EDT
A high energy electron in circular/spiral motion radiates vortex photons in the entire wavelength range from the radio-wave to the gamma-rays, researchers have shown theoretically and experimentally. This greatly broadens application spectra of the vortex photons in the field of physical science. Moreover, the finding indicates that vortex photons are ubiquitous in the universe. It paves a way to a completely new research field, natural vortex photon science.
Kaleidoscope of colors reveals complex biological processes
Thu, 20 Jul 2017 16:26:02 EDT
Researchers have developed a technique that uses the vibration of chemical bonds to produce specific colors that allow them to simultaneously observe, in cells and tissues, as many as 24 interacting molecules -- each with a distinct color.
Tuning out arthritis pain with radio energy
Thu, 20 Jul 2017 16:25:11 EDT
A noninvasive treatment for knee arthritis has been developed that uses cooled radio energy to target and interrupt pain signals. Known as “Coolief,” the procedure can provide several months of relief from chronic arthritis pain for patients for whom surgery is not an option.
Sunny, rainy, or cloudy: New study shows how weather impacts response to mobile ads
Thu, 20 Jul 2017 15:53:20 EDT
Among the many factors that impact digital marketing and online advertising strategy, a new study provides insight to a growing trend among firms and big brands: weather-based advertising. According to the study, certain weather conditions are more amenable for consumer responses to mobile marketing efforts, while the tone of your ad content can either help or hurt such response depending on the current local weather.
NASA looks to solar eclipse to help understand Earth's energy system
Thu, 20 Jul 2017 15:53:17 EDT
It was midafternoon, but it was dark in an area in Boulder, Colorado on Aug. 3, 1998. A thick cloud appeared overhead and dimmed the land below for more than 30 minutes. Well-calibrated radiometers showed that there were very low levels of light reaching the ground, sufficiently low that researchers decided to simulate this interesting event with computer models. Now in 2017, inspired by the event in Boulder, NASA scientists will explore the moon's eclipse of the sun to learn more about Earth's energy system.
New type of soft, growing robot created
Thu, 20 Jul 2017 15:53:11 EDT
A newly developed vine-like robot can grow across long distances without moving its whole body. It could prove useful in search and rescue operations and medical applications.
Pulses of electrons manipulate nanomagnets and store information
Thu, 20 Jul 2017 15:53:03 EDT
Skyrmions are a kind of nanomagnet, composed of a spin-correlated ensemble of electrons acting as a topological magnet on certain microscopic surfaces. The precise properties, like spin orientation, of such nanomagnets can store information. But how might you go about moving or manipulating these nanomagnets at will to store the data you want? New research demonstrates such read/write ability using bursts of electrons, encoding topological energy structures robustly enough for potential data storage applications.
How CRISPR proteins find their target
Thu, 20 Jul 2017 14:23:27 EDT
In addition to the Cas9 protein that bacteria use to bind and snip DNA, bacteria have other Cas proteins that know where to insert that viral DNA into the CRISPR region to remember which viruses have attacked and mount a defense. A research team has discovered how these proteins -- Cas1 and Cas2 -- locate and insert the viral DNA, and it relies on the flexibility of these enzymes and the shape of the DNA.
Evidence for the Majorana fermion, a particle that's its own antiparticle
Thu, 20 Jul 2017 14:23:21 EDT
In a discovery that concludes an 80-year quest, researchers found evidence of particles that are their own antiparticles. These 'Majorana fermions' could one day help make quantum computers more robust.
3-D imaging of surface chemistry in confinement
Thu, 20 Jul 2017 14:23:18 EDT
An optical imaging tool has been developed to visualize surface chemistry in real time. Researchers imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass is covered with hydroxyl (-OH) groups that can lose a proton -- a much-studied chemical reaction that is important in geology, chemistry and technology. A 100-micron long capillary displayed a remarkable spread in surface OH bond dissociation constant of a factor of a billion.
Molecular 'pulleys' improve battery performance
Thu, 20 Jul 2017 14:23:14 EDT
Scientists have reported a molecular pulley binder for high-capacity silicon anodes of lithium ion batteries.
Gene drives likely to be foiled by rapid rise of resistance
Thu, 20 Jul 2017 14:22:36 EDT
A study in fruit flies suggests that existing approaches to gene drives using CRISPR/Cas9, which aim to spread new genes within a natural population, will be derailed by the development of mutations that give resistance to the drive.
Best measure of star-forming material in galaxy clusters in early universe
Thu, 20 Jul 2017 13:31:10 EDT
The international Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) collaboration has combined observations from several of the world's most powerful telescopes to carry out one of the largest studies yet of molecular gas -- the raw material which fuels star formation throughout the universe -- in three of the most distant clusters of galaxies ever found, detected as they appeared when the universe was only four billion years old.
Viewing Martian moon orbiting the red planet
Thu, 20 Jul 2017 13:19:21 EDT
While photographing Mars, NASA's Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Hubble took 13 separate exposures over 22 minutes to create a time-lapse video showing the moon's orbital path.
Could sharks help save shipping industry billions?
Thu, 20 Jul 2017 11:36:55 EDT
Whales, sharks, butterflies and lotus leaves might together hold the secret to saving the shipping industry millions and help save the planet, according to a marine biologist.
Spiral arms allow school children to weigh black holes
Thu, 20 Jul 2017 11:36:39 EDT
Astronomers have provided a way for armchair astronomers, and even primary school children, to merely look at a spiral galaxy and estimate the mass of its hidden, central black hole.
Novel 3-D printing process strengthens parts by 275 percent
Thu, 20 Jul 2017 10:36:02 EDT
A new way to make 3-D printed parts stronger and immediately useful in real-world applications has been revealed by researchers. They applied the traditional welding concepts to bond the submillimeter layers in a 3-D printed part together, while in a microwave.
Semiliquid chains pulled out of a sea of microparticles
Thu, 20 Jul 2017 10:31:56 EDT
An electrode brought to the surface of a liquid that contains microparticles can be used to pull out surprisingly long chains of particles. Curiously enough, the particles in the chains are held together by a thin layer of liquid that covers them.
3-D printing sweeps toy manufacturing off the shelves
Thu, 20 Jul 2017 10:31:52 EDT
People have scoffed that 3-D printers are simply toys themselves. But they probably didn't realize how much money is made off playthings. Do-it-yourself manufacturing -- making goods at home with a 3-D printer using open source designs from a free online repository -- has a multi-million-dollar impact on the overall toy industry.
Cucumbers in space provide insights on root growth
Thu, 20 Jul 2017 10:31:41 EDT
Scientists have untangled the competing influences of water and gravity on plant roots -- by growing cucumbers during spaceflight.
'Sound' research shows slower boats may cause manatees more harm than good
Thu, 20 Jul 2017 09:53:58 EDT
Slower boat speeds reduce risks to manatees. Or do they? Not exactly, according to new research. In fact, the very laws enacted to slow down boats in manatee habitats may actually be doing more harm than good. Slowing down boats makes it more difficult for manatees to detect and locate approaching boats. An innovative alerting device is proving to deliver a better solution.
Here's a tip: Indented cement shows unique properties
Wed, 19 Jul 2017 17:37:12 EDT
Three key molecular mechanisms control the mechanics of layered crystals such as tobermorite, a natural crystal used by the Romans to make concrete.
Imaging of scar tissue formation
Wed, 19 Jul 2017 17:37:10 EDT
Organs respond to injuries with the formation of new fibrous tissue, which can result in scarring. This process called fibrogenesis can now be monitored noninvasively on a molecular level, as scientists report. They have created a new gadolinium-based probe for magnetic resonance imaging that specifically reports the proteins involved in fibrogenesis. The imaging method may provide a quantitative assessment of the formation of the potentially harmful scar tissue.
New algorithm, metrics improve autonomous underwater vehicles' energy efficiency
Wed, 19 Jul 2017 15:41:05 EDT
Robotics researchers have found a way for autonomous underwater vehicles to navigate strong currents with greater energy efficiency, which means the AUVs can gather data longer and better.
Toward 20-Story Earthquake-Safe Buildings Made From Wood
Wed, 19 Jul 2017 14:12:15 EDT
A two-story wooden structure endured four different earthquake simulations on July 14, 2017 on the world's largest outdoor shake table here in San Diego. And it's still standing before more tests in the coming weeks. The goal of the tests is to gather enough data to design wood buildings as tall as 20 stories that do not suffer significant damage during large earthquakes. That is, not only can occupants leave the building unharmed, but they can come back and resume living in the building shortly after a temblor.
Smart walk assist improves rehabilitation
Wed, 19 Jul 2017 14:11:01 EDT
An algorithm that adjusts how a mobile harness, suspended from the ceiling, assists patients suffering from spinal cord injury or stroke has been developed by researchers. In a clinical study with over 30 patients, the scientists showed that the patients wearing the smart walking assist immediately improved their locomotor abilities, enabling them to perform activities of daily living that would not be possible without the support.
Folding robots: No battery, no wire, no problem
Wed, 19 Jul 2017 14:09:45 EDT
Folding robots based on origami have emerged as an exciting new frontier of robotic design, but generally require onboard batteries or a wired connection to a power source, limiting their functionality. Scientist have now created battery-free folding robots that are capable of complex, repeatable movements powered and controlled through a wireless magnetic field.
More than 8. 3 billion tons of plastics made: Most has now been discarded
Wed, 19 Jul 2017 14:09:39 EDT
Humans have created 8.3 billion metric tons of plastics since large-scale production of the synthetic materials began in the early 1950s, and most of it now resides in landfills or the natural environment, according to a study.
Are magnets the secret to Elastigirl's powers?
Wed, 19 Jul 2017 14:09:30 EDT
Under certain conditions, the magnetic properties of a material can predict the relationship between its elasticity and temperature, a physicist has found. Given the ease with which magnetic fields can be manipulated, the study hints that elasticity could someday be tailored with the press of a button or turn of a knob.
Uranium-based compound improves manufacturing of nitrogen products
Wed, 19 Jul 2017 13:23:02 EDT
Scientists have developed a uranium-based complex that can allow nitrogen fixation reactions to take place in ambient conditions. The work overcomes one of the biggest difficulties to building more efficient industrial-scale nitrogen products like ammonia.
Path to discovering new topological materials
Wed, 19 Jul 2017 13:22:58 EDT
Researchers have found a recipe for discovering new topological materials, which have exotic electronic properties that hold promise for future technologies. Until now, finding these materials has been a matter of trial and error.
Indestructible virus yields secret to creating incredibly durable materials
Wed, 19 Jul 2017 13:22:35 EDT
It lives in boiling acid that dissolves flesh and bone. Now scientists have unlocked the secrets of the indestructible virus, potentially allowing them to harness its remarkable properties to create super-durable materials and better treat disease.
Nanoparticles could spur better LEDs, invisibility cloaks
Wed, 19 Jul 2017 13:22:32 EDT
In an advance that could boost the efficiency of LED lighting by 50 percent and even pave the way for invisibility cloaking devices, a team of researchers has developed a new technique that peppers metallic nanoparticles into semiconductors.
Heat tweet: Users flock to Twitter when temperatures rise
Wed, 19 Jul 2017 13:22:26 EDT
Researchers have examined the impact rising temperatures have on Twitter activity, and how government officials use the social media tool to warn the general public of heatwave conditions.
Fresh role for nitric oxide uncovered
Wed, 19 Jul 2017 13:22:19 EDT
Chemists have uncovered a fresh role for nitric oxide that could send biochemical textbooks back for revision.
New technique for manipulating polarization of terahertz radiation
Wed, 19 Jul 2017 11:50:53 EDT
A new kind of polarizing beamsplitter has been created for terahertz radiation, which could prove useful in imaging and communications systems.
Smallest particles and the vastness of the universe connected
Wed, 19 Jul 2017 11:35:32 EDT
Are density distributions of the vast universe and the nature of smallest particles related? Scientists have now revealed the connection between those two aspects, and argued that our universe could be used as a particle physics 'collider' to study the high energy particle physics. Their findings mark the first step of cosmological collider phenomenology and pave the way for future discovery of new physics unknown yet to humankind.
Robotics-based study provides insight into predator-prey interactions
Wed, 19 Jul 2017 11:33:56 EDT
Scientists have put forth a robotics-based study to control information flow in predator-prey interactions, as well as test the validity of transfer entropy when attempting to understand causal influences of the system.
Smart toys without the batteries
Wed, 19 Jul 2017 11:33:45 EDT
A challenge in entertaining young children is keeping their toys powered up. Now, one group reports that they are one step closer to battery-free interactive games.
Aging U.S. power plants provide risks and opportunities
Wed, 19 Jul 2017 11:33:34 EDT
When it comes to the current plans to retire US power plants, researchers believe we are 'running towards a cliff with no fence.' They found that power plant retirement trends will complicate achieving long-term carbon dioxide emission reduction targets and require a significant increase in capital investments.
Simulation reveals universal signature of chaos in ultracold reactions
Wed, 19 Jul 2017 11:33:28 EDT
Researchers have performed the first ever quantum-mechanical simulation of the benchmark ultracold chemical reaction between potassium-rubidium (KRb) and a potassium atom, opening the door to new controlled chemistry experiments and quantum control of chemical reactions that could spark advances in quantum computing and sensing technologies.
Supramolecular materials with a time switch
Wed, 19 Jul 2017 11:33:06 EDT
Materials that assemble themselves and then simply disappear at the end of their lifetime are quite common in nature. Researchers have now successfully developed supramolecular materials that disintegrate at a predetermined time -- a feature that could be used in numerous applications.
Evidence of the Higgs particle's decay in quarks
Wed, 19 Jul 2017 11:32:55 EDT
Researchers have found strong evidence that, among other things, the Higgs particle decays into quarks. The researchers analyzed data sets that were recorded in 2015 and 2016 with the ATLAS detector at the world's largest particle accelerator, the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) in Geneva, Switzerland.
Teaching science subjects without training
Wed, 19 Jul 2017 10:05:46 EDT
Despite efforts from No Child Left Behind to promote 'highly qualified' teaching, recent research shows that just 36 percent of new secondary science teachers are teaching only in their trained subject.
Antiaromatic molecule displays record electrical conductance
Wed, 19 Jul 2017 10:05:42 EDT
Researchers demonstrate high electrical conductance for an antiaromatic nickel complex -- an order of magnitude higher than for a similar aromatic complex. Since the conductance is also tunable by electrochemical gating, antiaromatic complexes are promising materials for future electronic devices.
Innovative nanosensor for disease diagnosis
Wed, 19 Jul 2017 10:05:34 EDT
A research group has developed diagnostic sensors using protein-encapsulated nanocatalysts, which can diagnose certain diseases by analyzing human exhaled breath. This technology enables early monitoring of various diseases through pattern recognition of biomarker gases related to diseases in human exhalation.
Enhanced oil recovery method developed
Wed, 19 Jul 2017 10:05:24 EDT
A new class of materials which are suitable agents for oil displacing in enhanced oil recovery have been developed.