|Top Technology News -- ScienceDaily
Thu, 18 Jan 2018 02:44:02 EST
Self-healing fungi concrete could provide sustainable solution to crumbling infrastructure
Wed, 17 Jan 2018 15:25:11 EST
A new self-healing fungi concrete could help repair cracks in aging concrete permanently, and help save America's crumbling infrastructure.
Scientists on the road to discovering impact of urban road dust
Wed, 17 Jan 2018 15:25:04 EST
In an attempt to better understand the urban environment and its components, scientists have discovered that sunlight causes chemical reactions in the dust found on Edmonton roads.
Small but fast: A miniaturized origami-inspired robot combines micrometer precision with high speed
Wed, 17 Jan 2018 14:13:13 EST
The milliDelta robot integrates a new microfabrication technique with high-performance composite materials that can incorporate flexural joints and bending actuators, the milliDelta can operate with high speed, force, and micrometer precision, which make it compatible with a range of micromanipulation tasks in manufacturing and medicine.
Better evidence needed on appropriate screen time for kids
Wed, 17 Jan 2018 13:55:03 EST
Much of the evidence for the negative effects of screen use in children and teenagers is not based on robust enough science.
Scientists zoom in to watch DNA code being read
Wed, 17 Jan 2018 13:11:47 EST
Scientists have unveiled incredible images of how the DNA code is read and interpreted -- revealing new detail about one of the fundamental processes of life.
Semiconductor breakthrough may be game-changer for organic solar cells
Wed, 17 Jan 2018 13:11:39 EST
In an advance that could push cheap, ubiquitous solar power closer to reality, researchers have found a way to coax electrons to travel much further than was previously thought possible in the materials often used for organic solar cells and other organic semiconductors.
Himawari-8 data assimilated simulation enables 10-minute updates of rain and flood predictions
Wed, 17 Jan 2018 12:55:25 EST
Using the power of Japan's K computer, scientists have shown that incorporating satellite data at frequent intervals -- 10 minutes in the case of this study -- into weather prediction models can significantly improve the rainfall predictions of the models and allow more precise predictions of the rapid development of a typhoon.
Scientists develop a new material for manipulating molecules
Wed, 17 Jan 2018 12:55:19 EST
Scientists have created a new porous single-crystal material which could have numerous applications in nanotechnology and catalysis.
Ultra-thin memory storage device paves way for more powerful computing
Wed, 17 Jan 2018 11:49:18 EST
A team of electrical engineers has developed the thinnest memory storage device with dense memory capacity, paving the way for faster, smaller and smarter computer chips for everything from consumer electronics to big data to brain-inspired computing.
Breakthrough enables screening millions of human antibodies for new drug discovery
Wed, 17 Jan 2018 10:39:55 EST
A new article outlines a pioneering method of screening a person's diverse set of antibodies for rapid therapeutic discovery. Antibody proteins are an important part of the human immune system that specifically target foreign viruses and bacteria, and they have been the fastest-growing class of approved drugs in the past several decades.
Physicists succeed in measuring mechanical properties of 2-D monolayer materials
Wed, 17 Jan 2018 10:26:51 EST
Physicists have for the first time succeeded in characterizing the mechanical properties of free-standing single-atom-thick membranes of graphene.
Ultra-thin optical fibers offer new way to 3-D print microstructures
Wed, 17 Jan 2018 10:26:44 EST
For the first time, researchers have shown that an optical fiber as thin as a human hair can be used to create microscopic structures with laser-based 3-D printing. The innovative approach might one day be used with an endoscope to fabricate tiny biocompatible structures directly into tissue inside the body.
Ultrathin black phosphorus for solar-driven hydrogen economy
Wed, 17 Jan 2018 10:26:37 EST
Researchers combined two different types of 2-D materials -- black phosphorus and bismuth vanadate -- to form a biologically inspired water-splitting catalyst. Normal sunlight could drive the reactions and careful design of the catalyst enabled the expected ratio of hydrogen and oxygen production.
Designing the next generation of hair dyes
Wed, 17 Jan 2018 09:23:45 EST
A public database of more than 300 substances used to dye hair will help accelerate research and development work on more sustainable hair color. Researchers say computer modeling can save years of lab work and millions of dollars.
Nanowrinkles could save billions in shipping and aquaculture
Wed, 17 Jan 2018 09:23:42 EST
Biofouling costs shipping billions in increased fuel costs and affects aquaculture. A nanostructured surface inspired by the carnivorous pitcher plant could slash those costs.
Building molecular wires, one atom at a time
Wed, 17 Jan 2018 09:23:34 EST
Researchers have found a simple way to construct and deconstruct molecular metal chains, atom-by-atom.
Odd behavior of star reveals lonely black hole hiding in giant star cluster
Wed, 17 Jan 2018 08:56:06 EST
Astronomers using ESO's MUSE instrument on the Very Large Telescope in Chile have discovered a star in the cluster NGC 3201 that is behaving very strangely. It appears to be orbiting an invisible black hole with about four times the mass of the sun -- the first such inactive stellar-mass black hole found in a globular cluster and the first found by directly detecting its gravitational pull.
'Heart-on-a-chip' process aims to speed up drug testing
Tue, 16 Jan 2018 22:25:22 EST
Testing new clinical drugs' effect on heart tissue could become quicker and more straightforward, thanks to new research. The study sets out a new, faster method for manufacturing a 'heart-on-a-chip,' which can be used to test the reaction of heart tissue to external stimuli.
Quick quick slow is no-go in crab courtship dance
Tue, 16 Jan 2018 22:25:10 EST
Female fiddler crabs are sensitive to changes in the speed of a male's courtship display, significantly preferring displays that accelerate to those that are performed at a constant speed or slow down.
Biodegradable sensor could help doctors monitor serious health conditions
Tue, 16 Jan 2018 22:24:57 EST
Engineers have created a biodegradable pressure sensor that could help doctors monitor chronic lung disease, swelling of the brain, and other medical conditions before dissolving harmlessly in a patient's body.
Magnetically applied MicroRNAs could one day help relieve constipation
Tue, 16 Jan 2018 22:24:53 EST
Micro metal beads and magnets help deliver a biologic where it's needed to improve constipation or rectoanal incontinence in animal models of the disorders.
Digitally preserving important Arkansas dinosaur tracks
Tue, 16 Jan 2018 15:16:37 EST
Researchers used LiDAR imaging to digitally preserve and study important dinosaur tracks.
New process could slash energy demands of fertilizer, nitrogen-based chemicals
Tue, 16 Jan 2018 14:43:18 EST
Nitrogen-based synthetic fertilizer forms the backbone of the world food supply, but its manufacture requires a tremendous amount of energy. Now, computer modeling points to a method that could drastically cut the energy needed by using sunlight in the manufacturing process.
Hubble weighs in on mass of 3 million billion suns
Tue, 16 Jan 2018 14:42:49 EST
In 2014, astronomers found an enormous galaxy cluster contains the mass of a staggering three million billion suns -- so it's little wonder that it has earned the nickname of "El Gordo" ("the Fat One" in Spanish)! Known officially as ACT-CLJ0102-4915, it is the largest, hottest, and brightest X-ray galaxy cluster ever discovered in the distant Universe.
No evidence to support link between violent video games and behavior
Tue, 16 Jan 2018 13:13:17 EST
Researchers have found no evidence to support the theory that video games make players more violent.
New catalyst for hydrogen production is a step toward clean fuel
Tue, 16 Jan 2018 13:13:14 EST
A nanostructured composite material has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen. An efficient, low-cost catalyst is essential for realizing the promise of hydrogen as a clean, environmentally friendly fuel.
New study shows producers where and how to grow cellulosic biofuel crops
Tue, 16 Jan 2018 13:13:04 EST
A new report provides practical agronomic data for five cellulosic feedstocks, which could improve adoption and increase production across the country.
New insights into underwater adhesives
Tue, 16 Jan 2018 12:38:01 EST
An international team of researchers has succeeded in developing a new type of underwater adhesives that are tougher than the natural biological counterpart.
Nuclear power plants must be able to withstand fires caused by aircraft impacts
Tue, 16 Jan 2018 12:37:50 EST
Researches examined the transport, evaporation and combustion of liquids in large-scale fire incidents.
An eNose is able to sniff out bacteria that cause soft tissue infections
Tue, 16 Jan 2018 12:37:39 EST
A recent study has concluded that an electronic nose (eNose) can be used to identify the most common bacteria causing soft tissue infections.
International study identify the process of rock formed by meteors or nuclear blasts
Tue, 16 Jan 2018 12:37:36 EST
Scientists have made a model to map out the phases in which silica (SiO2) transforms into coesite, by analyzing how the inelastic scattering of light among molecules changes according to pressure variation.
Mysteries of a promising spintronic material revealed
Tue, 16 Jan 2018 11:11:18 EST
Researchers have used an unconventional approach to determine the strength of the electron spin interactions with the optical phonons in antiferromagnetic nickel oxide (NiO) crystals.
Perovskite solar cells: Perfection not required
Tue, 16 Jan 2018 11:11:05 EST
Metal-organic perovskite layers for solar cells are frequently fabricated using the spin coating technique on industry-relevant compact substrates. These perovskite layers generally exhibit numerous holes, yet attain astonishingly high levels of efficiency. The reason that these holes do not lead to significant short circuits between the front and back contact has now been discovered.
Pulsating dissolution found in crystals
Tue, 16 Jan 2018 11:11:02 EST
When researchers zoomed in to the nanometer scale on time-lapse images of dissolving crystals, they found a surprise: Dissolution happened in pulses, marked by waves that spread just like ripples on a pond.
The Fields Medal fallacy: Why this math prize should return to its roots
Tue, 16 Jan 2018 11:10:54 EST
The Fields Medal, whose origins date back to the 1930s, will be issued again this year in August to up to four of the world's most accomplished mathematicians under the age of 40. Experts now propose that the Fields Medal return to its roots as a tool intended to shape the future of mathematics, rather than recognizing those who have already found the spotlight.
Computer-aided facial analysis helps diagnosis
Tue, 16 Jan 2018 11:06:45 EST
In rare diseases, the computer-aided image analysis of patient portraits can facilitate and significantly improve diagnosis. This has been demonstrated on the basis of so-called GPI anchor deficiencies. Using data on genetic material, cell surface texture and typical facial features, researchers utilized artificial intelligence methods to simulate disease models.
High performance CNT catalyst relating to its electroconductivity
Tue, 16 Jan 2018 09:56:39 EST
Biofuels were obtained from Jatropha Oil using carbon nanotube (CNT) catalyst, which showed efficient cracking activity. The performance was activated by the high stability, metal sites, acid sites, electroconductivity, and coking tolerance of CNT. Two cracking circulations were found in the hydroprocessing. Meanwhile, the sulphur-free process was eco-friendly.
Scientists unleash power of genetic data to identify disease risk
Tue, 16 Jan 2018 09:56:27 EST
Massive banks of genetic information are being harnessed to shed new light on modifiable health risks that underlie common diseases. Researchers have pioneered a method to integrate data from multiple large-scale studies to assess risk factors such as body mass index (BMI) and cholesterol levels, and their association with diseases including type two diabetes and heart disease.
Magnetic liquids improve energy efficiency of buildings
Tue, 16 Jan 2018 09:36:54 EST
Climate protection and the reduction of carbon dioxide emissions have been on top of global development agendas. Accordingly, research and development projects have been conducted on national and international levels, which aim for the improvement of the CO2-footprint in diverse processes. Apart from particularly energy-intensive sectors of the industry, the building sector in particular is among the biggest CO2-emmitters: from residential homes, manufacturing facilities and storage depots to big commercial buildings, about 40 percent of the energy consumption within the EU are due to the heating, cooling, air conditioning and lighting of buildings.
How massive can neutron stars be?
Tue, 16 Jan 2018 09:36:50 EST
Astrophysicists set a new limit for the maximum mass of neutron stars: It cannot exceed 2.16 solar masses.
Shale gas is one of the least sustainable ways to produce electricity, research finds
Tue, 16 Jan 2018 08:50:12 EST
Shale gas is one of least sustainable options for producing electricity, according to new research.
How mantis shrimp pack the meanest punch
Tue, 16 Jan 2018 08:50:06 EST
Scientists have identified a unique structure that wraps around the mantis shrimp's club to protect it from self-inflicted damage as it crushes hard-shelled prey. The finding will help researchers develop ultra-strong materials for the aerospace and sports industries.
Slow 'hot electrons' could improve solar cell efficiency
Tue, 16 Jan 2018 08:50:03 EST
Photons with energy higher than the 'band gap' of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy is lost very fast, as it is converted into heat so it does not contribute to the voltage. Researchers have now found a material in which these hot electrons retain their high energy levels for much longer.
Math can predict how cancer cells evolve
Tue, 16 Jan 2018 08:50:00 EST
Applied mathematics can be a powerful tool in helping predict the genesis and evolution of different types of cancers, a study has found.
New dynamic statistical model follows gene expressions over time
Mon, 15 Jan 2018 15:45:59 EST
A new model now gives researchers a tool that extends past observing static networks at a single snapshot in time, which is hugely beneficial since network data are usually dynamic.
Biomaterials with 'logic gates' release therapeutics in response to environmental triggers
Mon, 15 Jan 2018 15:16:21 EST
Scientists have announced that they have built and tested a new biomaterial-based delivery system -- known as a hydrogel -- that will encase a desired cargo and dissolve to release its freight only when specific physiological conditions are met.
Potential brain-machine interface for hand paralysis
Mon, 15 Jan 2018 15:16:11 EST
A brain-machine interface that combines brain stimulation with a robotic device controlling hand movement increases the output of pathways connecting the brain and spinal cord, according to a study of healthy adults. This work could have implications for restoring function in stroke patients with hand paralysis.
Novel 3-D printing technique yields high-performance composites
Mon, 15 Jan 2018 15:16:08 EST
A team of researchers has demonstrated a novel 3-D printing method that yields unprecedented control of the arrangement of short fibers embedded in polymer matrices. They used this additive manufacturing technique to program fiber orientation within epoxy composites in specified locations, enabling the creation of structural materials that are optimized for strength, stiffness, and damage tolerance.
Solar fuels: better efficiency using microwires
Mon, 15 Jan 2018 12:16:41 EST
Researchers have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (in this case, hydrogen). Using only earth-abundant materials, they developed the most efficient conversion method to date. The trick was to decouple the site where sunlight is captured from the site where the conversion reaction takes place.
Insulating bricks with microscopic bubbles
Mon, 15 Jan 2018 12:16:37 EST
The calculation is simple: the better a building is insulated, the less heat is lost in winter - and the less energy is needed to achieve a comfortable room temperature.
New method to detect illicit drone filming developed
Mon, 15 Jan 2018 12:05:58 EST
A new technique to detect a drone camera illicitly capturing video is revealed in a new study by cyber security researchers in Israel. The study addresses increasing concerns about the proliferation of drone use for personal and business applications and how it is impinging on privacy and safety.
Fast-tracking T-cell therapies with immune-mimicking biomaterials
Mon, 15 Jan 2018 12:05:55 EST
Researchers have developed a material-based T-cell-expansion method using APC-mimetic biomaterial scaffolds, which helps achieve greater expansion of primary mouse and human T cells than existing methods.
Gyroscopes lead scientists to unusual state of matter in a disorganized structure
Mon, 15 Jan 2018 12:05:48 EST
You don't have to be perfectly organized to pull off a wave, according to scientists. Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice. They found they could set off one-way ripples around the edges, much like spectators in a sports arena -- a 'topological wave,' characteristic of a particularly unusual state of matter.
Ultracold neutron source: Yield improved by factor of 3.5
Mon, 15 Jan 2018 09:52:51 EST
Researchers have improved the yield of its ultracold neutron source by a factor of 3.5 to 8.5 ultracold neutrons per cubic centimeter.
A matter of mobility: New strategy for drug discovery
Mon, 15 Jan 2018 09:52:49 EST
A joint industry/academia study of a cancer target protein reveals unusual relation between binding site flexibility and drug-target lifetime. The results suggest a new strategy for drug discovery.
Robots aid better understanding of phytoplankton blooms
Mon, 15 Jan 2018 09:42:31 EST
Phytoplankton blooms are one of the most important factors contributing to the efficiency of the carbon pump in the North Atlantic Ocean. To better understand this phenomenon, researchers have developed a new class of robots able to collect data in the ocean throughout the year. Using these unparalleled data, the researchers have identified the starting point for the explosive spring phytoplankton bloom.
An efficient approach of conjugated tetraenes from butadiene and alkynes
Mon, 15 Jan 2018 09:42:28 EST
Conjugated tetraenes are important key substructures in electronic materials, natural products and pharmaceutical molecules. However, they are difficult to synthesize. Now, researchers in Japan have achieved a new synthetic route of conjugated tetraenes from inexpensive and easily available 1,3-butadiene and substituted acetylenes by a one-pot approach under mild conditions.
New application for acoustics helps estimate marine life populations
Mon, 15 Jan 2018 09:42:25 EST
Researchers have for the first time have used hydroacoustics as a method for comparing the abundance of fishes within and outside marine protected areas (MPAs).
Stingray soft robot could lead to bio-inspired robotics
Sat, 13 Jan 2018 09:23:56 EST
Bioengineers have developed a tissue-based soft robot that mimics the biomechanics of a stingray. The new technology could lead to advances in bio-inspired robotics, regenerative medicine and medical diagnostics.
Nanostructure boosts stability of organic thin-film transistors
Fri, 12 Jan 2018 15:12:23 EST
A nanostructured gate dielectric may have addressed the most significant obstacle to expanding the use of organic semiconductors for thin-film transistors. The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and protects the organic semiconductor - which had previously been vulnerable to damage from the ambient environment.