Top Technology News -- ScienceDaily
Wed, 15 Aug 2018 13:03:02 EDT

Stern of World War II US destroyer discovered off remote Alaskan island

Wed, 15 Aug 2018 12:42:21 EDT
In the midst of World War II on August 18, 1943, the USS Abner Read struck what was presumed to be a Japanese mine in the Bering Sea. The catastrophic blast took the lives of 71 American sailors. For their families, the final resting place of loved ones lost remained unknown. Until now. On July 16, 2018, a team of researchers using robotics technology discovered the sunken stern of the World War II destroyer -- solving a 75-year-old mystery.
Magnetic antiparticles offer new horizons for information technologies

Wed, 15 Aug 2018 10:53:25 EDT
Computer simulations reveal new behavior of antiskyrmions in gradually increased electric currents.
Effective material developed to prevent post-surgical adhesion

Wed, 15 Aug 2018 10:29:24 EDT
Researchers have investigated a novel Polyelectrolyte complex (PEC) that provides a barrier to prevent adhesions in post-operative complications. This has the potential to avoid the need for a second surgery to remove the adhesions.
Predicting landslide boundaries two weeks before they happen

Wed, 15 Aug 2018 10:29:09 EDT
Researchers have developed a software tool that uses applied mathematics and big data analytics to predict the boundary of where a landslide will occur, two weeks in advance.
3-D inks that can be erased selectively

Wed, 15 Aug 2018 10:29:04 EDT
3-D printing by direct laser writing enables production of micro-meter-sized structures for many applications, from biomedicine to microelectronics to optical metamaterials. Researchers have now developed 3-D inks that can be erased selectively. This allows specific degradation and reassembly of highly precise structures on the micrometer and nanometer scales.
Molecular switch detects metals in the environment

Wed, 15 Aug 2018 08:58:12 EDT
Researchers have designed a family of molecules capable of binding to metal ions present in its environment and providing an easily detectable light signal during binding. This new type of sensor forms a 3D structure whose molecules consist of a ring and two luminescent arms that emit a particular type of light in a process called circular polarized luminescence, and detect ions, such as sodium.
Faster way to make mineral to remove carbon dioxide from atmosphere

Tue, 14 Aug 2018 16:26:08 EDT
Scientists have developed an accelerated way to produce magnesite, a mineral which can capture the greenhouse gas carbon dioxide from the atmosphere, at room temperature. Removing carbon dioxide from the atmosphere would slow global warming. This work takes a different approach to existing processes, and may make it economically viable, but it is at an early stage and is not yet an industrial process.
Early opaque universe linked to galaxy scarcity

Tue, 14 Aug 2018 15:09:51 EDT
A team of astronomers has made a surprising discovery: 12.5 billion years ago, the most opaque place in the universe contained relatively little matter.
Unraveling the nature of 'whistlers' from space in the lab

Tue, 14 Aug 2018 14:05:07 EDT
Scientists have presented research on a curious cosmic phenomenon known as 'whistlers' -- very low frequency packets of radio waves that race along magnetic field lines. The study provides new insights into the nature of whistlers and space plasmas and could one day aid in the development of practical plasma technologies with magnetic fields, including spacecraft thrusters that use charged particles as fuel.
Security gaps identified in Internet protocol 'IPsec'

Tue, 14 Aug 2018 13:42:01 EDT
Researchers have demonstrated that the Internet protocol 'IPsec' is vulnerable to attacks. The Internet Key Exchange protocol 'IKEv1', which is part of the protocol family, has vulnerabilities that enable potential attackers to interfere with the communication process and intercept specific information.
Natural refrigerant replacements could reduce energy costs and conserve the environment

Tue, 14 Aug 2018 13:41:59 EDT
The 1987 Montreal Protocol and the 1997 Kyoto Protocol called for countries around the world to phase out substances that deplete the ozone layer, but many HVAC systems still use synthetic refrigerants that violate those international agreements and inflict environmental damage. Recently, researchers investigated how natural refrigerants could be used in geothermal heat pumps to reduce energy consumption and operating costs.
Light-engineered bacterial shapes could hold key to future labs-on-a-chip

Tue, 14 Aug 2018 13:41:55 EDT
Scientists have used light patterns to control the swimming speed of bacteria and direct them to form different shapes.
Ecology of investors in financial markets

Tue, 14 Aug 2018 10:32:54 EDT
Researchers studied the similarity of investment decisions in the financial market and how the investment strategies used by the investors influence the volatility of the markets by using an exceptionally large set of empirical data. The results help in understanding the operation of financial markets and shed light on the connection of earlier theories to the actual stock market.
Can radar replace stethoscopes?

Tue, 14 Aug 2018 10:15:05 EDT
Electronic engineers have developed a procedure for reliably detecting and diagnosing heart sounds using radar. In future, mobile radar devices could replace conventional stethoscopes and permanent touch-free monitoring of patients' vital functions could be possible using stationary radar devices.
Flipping the switch on supramolecular electronics

Tue, 14 Aug 2018 10:14:51 EDT
Engineers have successfully combined photoswitchable molecular lattices with layered materials to create new high-performance devices that show macroscopic responses to light.
How hot is Schrödinger's coffee?

Tue, 14 Aug 2018 10:14:41 EDT
A new uncertainty relation, linking the precision with which temperature can be measured and quantum mechanics, has been discovered.
Artificial placenta created in the laboratory

Tue, 14 Aug 2018 10:14:31 EDT
Scientists have now produced an artificial placenta model that very closely resembles the natural organ. Using a specially developed femtosecond laser-based 3D printing process, it is possible to produce customized hydrogel membranes directly within microfluidic chips, which are then populated with placenta cells. This means it is now possible to provide clarity in some vital research issues, such as the exchange of glucose between mother and child.
Bacteria-fighting polymers created with light

Tue, 14 Aug 2018 10:14:26 EDT
Hundreds of polymers -- which could kill drug-resistant superbugs in novel ways -- can be produced and tested using light, using a new method.
Long-sought carbon structure joins graphene, fullerene family

Mon, 13 Aug 2018 19:01:56 EDT
Scientists have been playing with pure carbon compounds for centuries, starting with diamond and graphite and now with fullerenes, nanotubes and graphene. One type of 3D geometry has been missing, however: a negatively curved carbon-cage surface called schwarzite. Chemists have now shown that serendipitously produced materials called zeolite-templated carbons are in fact the long-sought schwarzites. Their recipe for making schwarzites could make them practical in electronics and gas storage.
From windows to Mars: Scientists debut super-insulating gel

Mon, 13 Aug 2018 17:35:30 EDT
A new gel could increase energy efficiency in skyscrapers and help scientists to build habitats on Mars.
A record number of Americans watched the 2017 solar eclipse -- and sought science afterward

Mon, 13 Aug 2018 17:35:26 EDT
The 2017 total solar eclipse spurred a flurry of interest about solar eclipses, according to the final report of a survey led by the University of Michigan.
Specialized delivery methods to help treat cancer, other disorders

Mon, 13 Aug 2018 17:35:14 EDT
More than 100 years ago, German Nobel laureate Paul Ehrlich popularized the 'magic bullet' concept -- a method that clinicians might one day use to target invading microbes without harming other parts of the body. Although chemotherapies have been highly useful as targeted treatments for cancer, unwanted side effects still plague patients. Now, researchers have demonstrated that specialized nucleic acid-based nanostructures could be used to target cancer cells while bypassing normal cells.
Mathematicians solve age-old spaghetti mystery

Mon, 13 Aug 2018 16:05:37 EDT
It's nearly impossible to break a dry spaghetti noodle into only two pieces. A new MIT study shows how and why it can be done.
Collaborate, but only intermittently, says new study

Mon, 13 Aug 2018 16:05:28 EDT
Technologies and organizations should be redesigned to intermittently isolate people from each other's work for best collective performance in solving complex problems.
Creation and selective functionalization of virus-like polymer particles

Mon, 13 Aug 2018 16:05:15 EDT
Researchers have collaborated with others to develop a simple way to create and functionalize virus-like polymer particles that have various nanostructures.
New technology can detect hundreds of proteins in a single sample

Mon, 13 Aug 2018 16:05:10 EDT
New technology shows potential to streamline the analysis of proteins, offering a quick, high volume and cost-effective tool to hospitals and research labs alike.
Thermal switch discovered in engineered squid-based biomaterials

Mon, 13 Aug 2018 13:33:52 EDT
Tuning materials for optimal optical and electrical properties is becoming commonplace. Now, researchers and manufacturers may be able to tune materials for thermal conductivity by using a squid-inspired protein made of multiple DNA repeats.
Why zebrafish (almost) always have stripes

Mon, 13 Aug 2018 13:33:49 EDT
A mathematical model helps explain the key role that one pigment cells plays in making sure that each stripe on a zebrafish ends up exactly where it belongs.
The behavior of water: Scientists find new properties of H2O

Mon, 13 Aug 2018 12:52:44 EDT
A team of scientists has uncovered new molecular properties of water -- a discovery of a phenomenon that had previously gone unnoticed.
Terahertz technology creates new insight into how semiconductor lasers work

Mon, 13 Aug 2018 12:52:41 EDT
Pioneering engineers working with terahertz frequency technology have been researching how individual frequencies are selected when a laser is turned on, and how quickly the selection is made.
Algorithm provides early warning system for tracking groundwater contamination

Mon, 13 Aug 2018 12:52:27 EDT
Scientists have developed a low-cost method for real-time monitoring of pollutants using commonly available sensors.
Wearable devices and mobile health technology: One step towards better health

Mon, 13 Aug 2018 12:07:31 EDT
With increasing efforts being made to address the current global obesity epidemic, wearable devices and mobile health ('mHealth') technology have emerged as promising tools for promoting physical activity. However, current literature seems to indicate that these new technologies may serve best as part of a larger overall health plan, rather than working alone to encourage weight loss.
In neutron stars, protons may do the heavy lifting

Mon, 13 Aug 2018 11:36:21 EDT
A new study suggests that the positively charged particles may have an outsize influence on the properties of neutron stars and other neutron-rich objects.
New soft bioelectronic mesh tested on human wrist and pulsating pig's heart

Mon, 13 Aug 2018 11:34:39 EDT
Scientists have succeeded in developing a wearable and implantable device, that measures electrophysiological signals and applies electrical and thermal stimulations. It provides information on muscle and cardiac dysfunctions, and thus could be implemented for pain relief, rehabilitation, and prosthetic motor control. Being the first soft implant able to record the cardiac activity in multiple points of a swine heart, it is expected that this prototype will contribute to the research and production of future bioelectronics.
Historic space weather could clarify what's next

Mon, 13 Aug 2018 11:33:29 EDT
Scientists have discovered an underlying repeatable pattern in how space weather activity changes with the solar cycle - having analysed solar activity for the last half century.
'Building up' stretchable electronics to be as multipurpose as your smartphone

Mon, 13 Aug 2018 11:33:20 EDT
By stacking and connecting layers of stretchable circuits on top of one another, engineers have developed an approach to build soft, pliable '3D stretchable electronics' that can pack a lot of functions while staying thin and small in size.
Artificial intelligence platform screens for acute neurological illnesses

Mon, 13 Aug 2018 11:33:15 EDT
An artificial intelligence platform designed to identify a broad range of acute neurological illnesses, such as stroke, hemorrhage, and hydrocephalus, was shown to identify disease in CT scans in 1.2 seconds, faster than human diagnosis.
Earth mini-moons: Potential for exciting scientific and commercial opportunities

Mon, 13 Aug 2018 10:42:14 EDT
The detection of 'mini-moons' -- small asteroids temporarily captured in orbit around Earth -- will vastly improve our scientific understanding of asteroids and the Earth-moon system. Small and fast-moving, they have evaded detection by existing technology, with only one confirmed mini-moon discovery to date. The advent of the Large Synoptic Survey Telescope could verify their existence and track their paths around our planet, presenting exciting scientific and commercial opportunities.
Flexible drug delivery microdevice to advance precision medicine

Mon, 13 Aug 2018 10:03:06 EDT
A research team has developed a flexible drug delivery device with controlled release for personalized medicine, blazing the path toward theragnosis. They fabricated a device on a rigid substrate and transferred an active drug delivery layer to the flexible substrate via inorganic laser lift off. The fabricated device shows mechanical flexibility while maintaining the capability of precise administration of exact dosages at desired times.
Converting carbon dioxide into methane or ethane selectively

Mon, 13 Aug 2018 10:02:46 EDT
Researchers have developed high-efficiency photocatalysts that convert carbon dioxide into methane or ethane with graphene-covered reduced titanium dioxide. The finding is expected to be utilized in the carbon dioxide reduction and recycling industries.
Toward a universal quantum computer

Mon, 13 Aug 2018 08:27:42 EDT
Researchers have demonstrated holonomic quantum gates under zero-magnetic field at room temperature, which will enable the realization of fast and fault-tolerant universal quantum computers.
Parker Solar Probe launches on historic journey to touch the sun

Sun, 12 Aug 2018 06:50:51 EDT
Hours before the rise of the very star it will study, NASA's Parker Solar Probe launched from Florida Sunday to begin its journey to the Sun, where it will undertake a landmark mission. The spacecraft will transmit its first science observations in December, beginning a revolution in our understanding of the star that makes life on Earth possible.
Breaking down the Wiedemann-Franz law

Fri, 10 Aug 2018 19:51:45 EDT
A study exploring the coupling between heat and particle currents in a gas of strongly interacting atoms highlights the fundamental role of quantum correlations in transport phenomena, breaks the revered Wiedemann-Franz law, and should open up an experimental route to testing novel ideas for thermoelectric devices.
First particle accelerator beam measurement in six dimensions

Fri, 10 Aug 2018 13:26:08 EDT
The first full characterization measurement of an accelerator beam in six dimensions will advance the understanding and performance of current and planned accelerators around the world.
AI model 'learns' from patient data to make cancer treatment less toxic

Fri, 10 Aug 2018 12:00:34 EDT
Researchers are employing novel machine-learning techniques to improve the quality of life for patients by reducing toxic chemotherapy and radiotherapy dosing for glioblastoma, the most aggressive form of brain cancer.
New water simulation captures small details even in large scenes

Fri, 10 Aug 2018 12:00:21 EDT
When designers select a method for simulating water and waves, they have to choose either fast computation or realistic effects; state-of-the-art methods are only able to optimize one or the other. Now, a new method bridges this gap. Their simulation method can reproduce complex interactions with the environment and tiny details over huge areas--all in real time.
Amazingly 'green' synthesis method for high-tech dyes

Fri, 10 Aug 2018 09:15:23 EDT
Dyes that are also of great interest for organic electronics have recently been prepared and crystallized. All that is required is just water, albeit under highly unusual conditions.
Novel approach keeps liquids from freezing at very low temperatures for extended periods

Fri, 10 Aug 2018 07:59:05 EDT
Investigators have developed a simple method to maintain water and water-based solutions in a liquid state at temperatures far below the usual 'freezing point' for greatly extended periods of time.
Machine learning technique reconstructs images passing through a multimode fiber

Thu, 09 Aug 2018 17:51:50 EDT
Through innovative use of a neural network that mimics image processing by the human brain, a research team reports accurate reconstruction of images transmitted over optical fibers for distances of up to a kilometer.
Why do some microbes live in your gut while others don't?

Thu, 09 Aug 2018 17:51:12 EDT
Researchers have developed a new computational approach to identify the genes that may be important to help microbes live successfully in the human gut.
For UW physicists, the 2-D form of tungsten ditelluride is full of surprises

Thu, 09 Aug 2018 17:50:57 EDT
Researchers report that the 2-D form of tungsten ditelluride can undergo 'ferroelectric switching.' Materials with ferroelectric properties can have applications in memory storage, capacitors, RFID card technologies and even medical sensors -- and tungsten ditelluride is the first exfoliated 2-D material known to undergo ferroelectric switching.
How to protect yeast from damage in biofuel production

Thu, 09 Aug 2018 17:50:54 EDT
Some chemicals used to speed up the breakdown of plants for production of biofuels like ethanol are poison to the yeasts that turn the plant sugars into fuel. Researchers have identified two changes to a single gene that can make the yeast tolerate the pretreatment chemicals.
A video game can change the brain, may improve empathy in middle schoolers

Thu, 09 Aug 2018 17:50:51 EDT
A fantastical scenario involving a space-exploring robot crashing on a distant planet is the premise of a video game developed for middle schoolers by researchers to study whether video games can boost kids' empathy, and to understand how learning such skills can change neural connections in the brain.
Pairs of small colliding galaxies may seed future stars

Thu, 09 Aug 2018 14:45:21 EDT
In a new study, astronomers show how gas expelled in the merger of two small galaxies can linger across vast distances for billions of years, where it may eventually feed gas to more massive galaxies to make new stars.
Ultrahot planets have starlike atmospheres

Thu, 09 Aug 2018 14:45:18 EDT
An unusual kind of star-planet hybrid atmosphere is emerging from studies of ultrahot planets orbiting close to other stars.
Scientists solve open theoretical problem on electron interactions

Thu, 09 Aug 2018 14:11:49 EDT
A new discovery explains what happens during the phase transition in Dirac materials, paving the way for engineering advanced electronics that perform significantly faster.
New study views cancer treatment as a game to find strategies that improve patient outcomes

Thu, 09 Aug 2018 12:56:03 EDT
Game theory can be utilized to identify potential flaws in current cancer treatment approaches and suggest new strategies to improve outcomes in patients with metastatic cancer, according to a new article. The study challenges the decades old standard of treatment for metastatic cancers in which drugs are typically administered continuously at the maximum-tolerated dose (MTD) until the tumor progresses.
Viewing cancer treatment as a game to find strategies that improve patient outcomes

Thu, 09 Aug 2018 11:25:26 EDT
Game theory can be utilized to identify potential flaws in current cancer treatment approaches and suggest new strategies to improve outcomes in patients with metastatic cancer, according to a new article. The study challenges the decades old standard of treatment for metastatic cancers in which drugs are typically administered continuously at the maximum-tolerated dose (MTD) until the tumor progresses.
Spinning heat shield for future spacecraft

Thu, 09 Aug 2018 11:25:07 EDT
A newly developed prototype flexible heat shield for spacecraft could reduce the cost of space travel and even aid future space missions to Mars.
How ions gather water molecules around them

Thu, 09 Aug 2018 11:25:04 EDT
Charged particles in aqueous solutions are always surrounded by a shell of water molecules. However, much is still unknown about the nature of this so-called hydration shell. Using terahertz spectroscopy, chemists have gained new insights into how an ion affects the water molecules in its environment.