|Top Technology News -- ScienceDaily
Sat, 26 May 2018 02:03:02 EDT
Top nitrogen researchers imagine world beyond fossil fuels
Fri, 25 May 2018 13:43:18 EDT
At the invitation of the U.S. Department of Energy's Office of Basic Energy Sciences, 17 top experts in nitrogen research gathered to discuss nitrogen activation chemistry and the field's future.
Lung-on-a-chip simulates pulmonary fibrosis
Fri, 25 May 2018 13:07:31 EDT
New biotechnology could make testing potential medicine for pulmonary fibrosis, one of the most common and serious forms of lung disease, quicker and less expensive. The innovation, lung-on-a-chip technology, relies on the same technology used to print electronic chips, photolithography.
A genetic algorithm predicts the vertical growth of cities
Fri, 25 May 2018 12:32:18 EDT
The increase of skyscrapers in a city resembles the development of some living systems. Researchers have created an evolutionary genetic algorithm that, on the basis of the historical and economic data of an urban area, can predict what its skyline could look like in the coming years. The method has been applied successfully to the thriving Minato Ward, in Tokyo.
Mars rocks may harbor signs of life from 4 billion years ago
Fri, 25 May 2018 12:32:12 EDT
Iron-rich rocks near ancient lake sites on Mars could hold vital clues that show life once existed there, research suggests.
If solubility is the problem -- Mechanochemistry is the solution
Fri, 25 May 2018 12:32:02 EDT
Chemists synthesize supersized nanographenes with ball milling.
Ruthenium found to have unique magnetic properties at room temperature
Fri, 25 May 2018 12:31:59 EDT
A new finding demonstrates that the chemical element ruthenium (Ru) is the fourth single element to have unique magnetic properties at room temperature. The discovery could be used to improve sensors, devices in the computer memory and logic industry, or other devices using magnetic materials.
A new guide for explorers of the submicroscopic world inside us
Fri, 25 May 2018 12:31:57 EDT
The new guidelines will benefit the battle against diseases such as cancer, assist in the development of new drugs and ensure scientific results are accurate and can be reproduced.
How scientists analyse cell membranes
Fri, 25 May 2018 12:31:51 EDT
Scientists have developed a method of visualizing an important component of the cell membrane in living cells. They synthesized a family of new substances.
Biosensor technologies to offer more effective approaches to disease treatment
Fri, 25 May 2018 09:54:26 EDT
Every cell in our bodies is shaped by its outer coating, or biomembrane, which wraps the cell in a supportive and protective blanket, allowing the cell to carry out its normal function while also defending it against attack. New technology has opened up an area of research that makes it possible to study how the biomembrane functions, including how it responds when a disease molecule attacks, paving the way to more effective disease treatments.
Low-cost membrane cleans up light and heavy oils in a single step
Fri, 25 May 2018 09:54:23 EDT
Researchers have developed a low-cost membrane that effectively separates oil and water on demand -- potentially paving the way for faster cleanups of oil spills and improved treatment of industrial wastewater in the future.
Scientists introduce cosmochemical model for Pluto formation
Fri, 25 May 2018 09:54:12 EDT
Scientists integrated NASA's New Horizons discoveries with data from ESA's Rosetta mission to develop a new theory about how Pluto may have formed at the edge of our solar system.
An elastic fiber filled with electrodes set to revolutionize smart clothes
Fri, 25 May 2018 09:54:09 EDT
EPFL scientists have found a fast and simple way to make super-elastic, multi-material, high-performance fibers. Their fibers have already been used as sensors on robotic fingers and in clothing. This breakthrough method opens the door to new kinds of smart textiles and medical implants.
Ingestible 'bacteria on a chip' could help diagnose disease
Thu, 24 May 2018 14:17:12 EDT
Researchers have built an ingestible sensor equipped with genetically engineered bacteria that can diagnose bleeding in the stomach or other gastrointestinal problems.
New theory finds 'traffic jams' in jet stream cause abnormal weather patterns
Thu, 24 May 2018 14:16:47 EDT
A study offers an explanation for a mysterious and sometimes deadly weather pattern in which the jet stream, the global air currents that circle the Earth, stalls out over a region. Much like highways, the jet stream has a capacity, researchers said, and when it's exceeded, blockages form that are remarkably similar to traffic jams -- and climate forecasters can use the same math to model them both.
Solar energy: Mixed anion compounds with 'fluorine' works as new photocatalytic material
Thu, 24 May 2018 14:16:11 EDT
Scientists have shown that an oxyfluoride is capable of visible light-driven photocatalysis. The finding opens new doors for designing materials for artificial photosynthesis and solar energy research.
Polymer crystals hold key to record-breaking energy transport
Thu, 24 May 2018 14:16:08 EDT
Scientists have found a way to create polymeric semiconductor nanostructures that absorb light and transport its energy further than previously observed.
Hey Alexa: Amazon's virtual assistant becomes a personal assistant to software developers
Thu, 24 May 2018 14:15:48 EDT
Computer scientists have turned Amazon Alexa into a tool for software engineers, tasking the virtual assistant to take care of mundane programming tasks, helping increase productivity and speed up workflow.
Programming synthetic molecular codes to turn genes 'on'
Thu, 24 May 2018 14:15:37 EDT
A team of researchers developed a synthetic molecular code to script gene activation. The process could help lead to future gene-based therapies for a wide array of diseases.
How greener grids can stay lit
Thu, 24 May 2018 14:15:32 EDT
Without careful management, distributed energy resources have the potential to cause unreliable power delivery, or even outages, and lead utility companies to overcharge customers. A new index will help ISOs and utilities account for uncertainties introduced by both the electricity market and DERs so utility companies can balance the distribution grid and find the fairest customer rates.
Rare element to provide better material for high-speed electronics
Thu, 24 May 2018 14:15:29 EDT
Researchers have discovered a new two-dimensional material, derived from the rare element tellurium, to make transistors that carry a current better throughout a computer chip.
New parts of the brain become active after students learn physics
Thu, 24 May 2018 14:15:27 EDT
A new study showed that, when confronted with physics problems, new parts of a student's brain are utilized after receiving instruction in the topic.
Chemists develop new blood test to quickly detect liver damage
Thu, 24 May 2018 14:09:24 EDT
Chemists have developed a 'quick and robust' blood test that can detect liver damage before symptoms appear, offering what they hope is a significant advance in early detection of liver disease. Their new method can detect liver fibrosis, the first stage of liver scarring that can lead to fatal disease if left unchecked, from a blood sample in 30-45 minutes.
Using the K computer, scientists predict exotic 'di-Omega' particle
Thu, 24 May 2018 12:08:55 EDT
Based on complex simulations of quantum chromodynamics performed using the K computer, one of the most powerful computers in the world, scientists have predicted a new type of 'dibaryon' -- a particle that contains six quarks instead of the usual three. Studying how these elements form could help scientists understand the interactions among elementary particles in extreme environments such as the interiors of neutron stars or the early universe moments after the Big Bang.
Why we won't get to Mars without teamwork
Thu, 24 May 2018 11:24:04 EDT
If humanity hopes to make it to Mars anytime soon, we need to understand not just technology, but the psychological dynamic of a small group of astronauts trapped in a confined space for months with no escape.
Wood to supercapacitors
Thu, 24 May 2018 11:23:48 EDT
Carbon aerogels are ultralight, conductive materials, which are extensively investigated for applications in supercapacitor electrodes in electrical cars and cell phones. Scientists have now found a way to make these electrodes sustainably. The aerogels can be obtained directly from cellulose nanofibrils, the abundant cell-wall material in wood.
Facial recognition software could help endangered primates, slow illegal trafficking
Thu, 24 May 2018 11:23:45 EDT
New facial recognition software can help protect endangered primates -- more than 60 percent of which face extinction.
3D printed sugar offers sweet solution for tissue engineering, device manufacturing
Thu, 24 May 2018 11:23:40 EDT
Engineers built a 3D printer that offers a sweet solution to making detailed structures that commercial 3D printers can't: Rather than a layer-upon-layer solid shell, it produces a delicate network of thin ribbons of hardened isomalt, the type of sugar alcohol used to make throat lozenges. The water-soluble, biodegradable glassy sugar structures have multiple applications in biomedical engineering, cancer research and device manufacturing.
Microscopy advance reveals unexpected role for water in energy storage material
Thu, 24 May 2018 11:23:09 EDT
A material with atomically thin layers of water holds promise for energy storage technologies, and researchers have now discovered that the water is performing a different role than anyone anticipated. The finding was possible due to a new atomic force microscopy method that measures the sub-nanoscale deformation rate in the material in response to changes in the material caused by energy storage.
Physical properties of solids elucidated by zooming in and out of high resolution
Thu, 24 May 2018 10:41:11 EDT
A new study shows how to couple highly accurate and simplified models of the same system to extract thermodynamics information using simulations.
Fukushima radioactive particle release was significant, says new research
Thu, 24 May 2018 10:41:04 EDT
Scientists say there was a significant release of radioactive particles during the Fukushima-Daiichi nuclear accident. The researchers identified the contamination using a new method and say if the particles are inhaled they could pose long-term health risks to humans.
Switching with molecules for pioneering electro-optical devices
Thu, 24 May 2018 10:41:01 EDT
An international research team has developed molecules that can be switched between two structurally different states using an applied voltage. Such nanoswitches can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.
Antiferromagnetic materials allow for processing at terahertz speeds
Thu, 24 May 2018 10:40:58 EDT
Data hurtle down fiber-optic cables at frequencies of several terahertz. As soon as the data arrive on a PC or television, this speed must be throttled to match the data processing speed of the device components, which currently is in the range of a few hundred gigahertz only. Researchers have now developed a technology that can process the data up to hundred times faster and thus close the gap between the transport and processing speeds.
Silicon breakthrough could make key microwave technology much cheaper and better
Thu, 24 May 2018 08:17:22 EDT
Researchers using powerful supercomputers have found a way to generate microwaves with inexpensive silicon, a breakthrough that could dramatically cut costs and improve devices such as sensors in self-driving vehicles.
Could a particle accelerator using laser-driven implosion become a reality?
Thu, 24 May 2018 08:16:05 EDT
Scientists discovered a novel particle acceleration mechanism called 'Micro-bubble implosion,' in which super-high energy hydrogen ions (relativistic protons) are emitted at the moment when bubbles shrink to atomic size through the irradiation of hydrides with micron-sized spherical bubbles by ultraintense laser pulses.
First chip-scale broadband optical system that can sense molecules in mid-infrared range
Wed, 23 May 2018 17:23:13 EDT
Researchers have demonstrated, for the first time, a chip-based dual-comb spectrometer in the mid-infrared range, that requires no moving parts and can acquire spectra in less than 2 microseconds. The system, which consists of two mutually coherent, low-noise, microresonator-based frequency combs spanning 2600 nm to 4100 nm, could lead to the development of a spectroscopy lab-on-a-chip for real-time sensing on the nanosecond time scale.
Electronic health records fail because they are merely digital remakes of paper charts
Wed, 23 May 2018 17:23:03 EDT
Researchers argue that Electronic Health Records can be restructured from mere digital remakes of their old pen and paper ancestors into platforms that allow doctors to 'subscribe' to their patients' clinical information to receive real-time updates when an action is required, similar to social media feeds and notifications.
Cheap, small carbon nanotubes
Wed, 23 May 2018 16:01:48 EDT
Carbon nanotubes are supermaterials that can be stronger than steel and more conductive than copper, but they're rare because, until now, they've been incredibly expensive.
Shining a light on toxic chemicals curbs industrial use
Wed, 23 May 2018 16:01:45 EDT
A team of researchers wondered whether federal regulators can persuade companies to abandon toxic chemicals by simply highlighting that information.
Electron tomography technique leads to 3-D reconstructions at the nanoscale
Wed, 23 May 2018 16:01:35 EDT
Scientists recently found a way to harness the power of TEM to measure the structure of a material at the highest possible resolution -- determining the 3-D position of every individual atom.
Applying machine learning tools to earthquake data offers new insights
Wed, 23 May 2018 15:00:10 EDT
In a new study, researchers show that machine learning algorithms could pick out different types of earthquakes from three years of earthquake recordings at The Geysers in California, a major geothermal energy field. The repeating patterns of earthquakes appear to match the seasonal rise and fall of water-injection flows into the hot rocks below, suggesting a link to the mechanical processes that cause rocks to slip or crack, triggering an earthquake.
In the beginning was the phase separation
Wed, 23 May 2018 14:59:57 EDT
The question of the origin of life remains one of the oldest unanswered scientific questions. A team has now shown for the first time that phase separation is an extremely efficient way of controlling the selection of chemical building blocks and providing advantages to certain molecules.
New portable malaria screening instrument developed
Wed, 23 May 2018 14:59:55 EDT
More than 216 million people were infected with malaria in 2016, and 445,000 individuals died from the disease. The key to solving this health crisis is early-stage diagnosis when malaria therapeutics are most effective. A new prototype for a portable instrument capable early-stage malaria detection has now been developed.
Fleet of autonomous boats could service cities to reduce road traffic
Wed, 23 May 2018 14:58:36 EDT
Researchers have designed a fleet of autonomous boats that offer high maneuverability and precise control. The boats can also be rapidly 3-D printed using a low-cost printer, making mass manufacturing more feasible.
Dengue: Investigating antibodies to identify at-risk individuals
Wed, 23 May 2018 13:33:52 EDT
Using an original mathematical and statistical analysis method, scientists analyzed a Thai cohort in order to help identify individuals at risk of infection. By modeling changes in antibody levels after successive infections with the different dengue serotypes, the scientists were able to establish the profile of these individuals.
Wed, 23 May 2018 13:33:37 EDT
DNA, the carrier of genetic information, has become established as a highly useful building material in nanotechnology. One requirement in many applications is the controlled, switchable assembly of nanostructures. Scientists have now introduced a new strategy for control through altering pH value. It is based on ethylenediamine, which only supports the assembly of DNA components in a neutral to acidic environment -- independent of the base sequences and without metal ions.
Making massive leaps in electronics at nano-scale
Wed, 23 May 2018 13:33:29 EDT
By chemically attaching nano-particles of the rare earth element, gadolinium, to carbon nanotubes, the researchers have found that the electrical conductivity in the nanotubes can be increased by incorporating the spin properties of the gadolinium which arises from its magnetic nature.
Understanding light-induced electrical current in atomically thin nanomaterials
Wed, 23 May 2018 13:33:21 EDT
Scientists demonstrated that scanning photocurrent microscopy could provide the optoelectronic information needed to improve the performance of devices for power generation, communications, data storage, and lighting.
Social media posts may signal whether a protest will become violent
Wed, 23 May 2018 13:33:06 EDT
Scientists have developed a model for detecting moralized language based on a prior, deep learning framework that can reliably identify text that reflects moral concerns about an issue. The research also finds that people are more likely to condone using violence to defend their beliefs when they think others share their moral values.
Preserving a painter's legacy with nanomaterials
Wed, 23 May 2018 13:32:56 EDT
Paintings by Vincent van Gogh, Pablo Picasso and Johannes Vermeer have been delighting art lovers for years. But it turns out that these works of art might be their own worst enemy -- the canvases they were painted on can deteriorate over time. In an effort to combat this aging process, one group is reporting that nanomaterials can provide multiple layers of reinforcement.
Helping dental retainers and aligners fight off bacteria
Wed, 23 May 2018 13:32:50 EDT
Clear, plastic aligners have been growing in popularity as alternatives to bulky, metal braces. And once the teeth are straightened, patients graduate to plastic retainers to maintain the perfect smile. But these appliances can become contaminated, so one group is now reporting that they have developed a film to prevent bacteria from growing on them.
Unprecedented detail in pulsar 6,500 light-years from Earth
Wed, 23 May 2018 13:32:19 EDT
A team of astronomers has performed one of the highest resolution observations in astronomical history by observing two intense regions of radiation, 20 kilometers apart, around a star 6,500 light-years away. The observation is equivalent to using a telescope on Earth to see a flea on the surface of Pluto.
Nuclear physicists leap into quantum computing with first simulations of atomic nucleus
Wed, 23 May 2018 13:32:16 EDT
Scientists have now simulated an atomic nucleus using a quantum computer. The results demonstrate the ability of quantum systems to compute nuclear physics problems and serve as a benchmark for future calculations.
Researchers squeeze light into nanoscale devices and circuits
Wed, 23 May 2018 13:32:05 EDT
Investigators have made a major breakthrough in nanophotonics research, with their invention of a novel 'home-built' cryogenic near-field optical microscope that has enabled them to directly image, for the first time, the propagation and dynamics of graphene plasmons at variable temperatures down to negative 250 degrees Celsius. If researchers can harness this nanolight, they will be able to improve sensing, subwavelength waveguiding, and optical transmission of signals.
How many taxis does a city need?
Wed, 23 May 2018 13:32:00 EDT
A taxi dispatching approach could cut the number of cars on the road while meeting rider demand.
How local communities can transition to sustainable energy systems
Wed, 23 May 2018 13:12:32 EDT
What makes for a successful transition to a low-carbon energy system? Local involvement, perceived fairness and information sharing, according to new research.
Valves for tiny particles
Wed, 23 May 2018 10:43:08 EDT
Newly-developed nanovalves allow the flow of individual nanoparticles in liquids to be controlled in tiny channels. This is of interest for lab-on-a-chip applications such as in materials science and biomedicine.
Recombinant E. Coli As a biofactory for the biosynthesis of diverse nanomaterials
Wed, 23 May 2018 10:43:05 EDT
A metabolic research group has developed a recombinant E. coli strain that biosynthesizes 60 different nanomaterials covering 35 elements on the periodic table. Among the elements, the team could biosynthesize 33 novel nanomaterials for the first time, advancing the forward design of nanomaterials through the biosynthesis of various single and multi-elements.
Atomic-scale manufacturing now a reality
Wed, 23 May 2018 10:43:00 EDT
Scientists have applied a machine learning technique using artificial intelligence to perfect and automate atomic-scale manufacturing, something which has never been done before. The vastly greener, faster, smaller technology enabled by this development greatly reduces impact on the climate while still satisfying the insatiable demands of the information age.
Strain directs spin waves
Wed, 23 May 2018 10:42:55 EDT
Scientists have revealed the relationship between the strain in a magnetic insulator thin film and spin waves. The relationship between magnetoelastic anisotropy and propagation properties of forward volume spin waves in single-crystalline yttrium iron garnet films grown on three garnet substrates was experimentally demonstrated. This facilitates the design of spin wave integrated circuits.
Beyond the limits of conventional electronics: Stable organic molecular nanowires
Wed, 23 May 2018 10:42:53 EDT
Scientists have created the first thermally stable organic molecular nanowire devices using a single 4.5-nm-long molecule placed inside electroless gold-plated nanogap electrodes.