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Technology News

New method to address deep-seated biases in science
Posted on Tuesday October 16, 2018

A new statistical method that tests for equivalence, rather than difference, has a role to play in dismantling gender and publication biases in science. The authors believe the technique has broad applicability across disciplines and can help remove publication bias against ''negative results,'' opening the door to a broader investigation of natural phenomena.

When it comes to smartphone lifespan, brand name matters more than hardware
Posted on Tuesday October 16, 2018

The environmental costs of smartphones are often exacerbated by the relatively short lifespans of these globally ubiquitous devices. When it comes to extending the lifespan of these products, brand name might be more important than repairability, a new study finds.

Renewable energy is common ground for Democrats and Republicans
Posted on Tuesday October 16, 2018

While conservatives and liberals tend to disagree on many environmental issues, they both view the development of solar power and other forms of renewable energy as financially savvy and a step towards self-sufficiency.

New, durable catalyst for key fuel cell reaction may prove useful in eco-friendly vehicles
Posted on Tuesday October 16, 2018

A new catalyst exceeds Department of Energy targets for performing the oxygen reduction reaction, a key step in generating an electric current in a hydrogen fuel cell.

Looking and listening for signals of navy test explosions off Florida coast
Posted on Tuesday October 16, 2018

Underwater explosions detonated by the US Navy to test the sturdiness of ships' hulls have provided seismologists with a test opportunity of their own: how much can we know about an underwater explosion from the seismic and acoustic data it generates?

All in the family: Kin of gravitational wave source discovered
Posted on Tuesday October 16, 2018

According to new research, an object named GRB150101B -- first reported as a gamma-ray burst in 2015 -- shares remarkable similarities with GW170817, the neutron star merger discovered by LIGO and observed by multiple light-gathering telescopes in 2017. The new analysis suggests that these two separate objects may in fact be directly related.

Public opinion on GMOs might impact similar technologies in stores
Posted on Tuesday October 16, 2018

Researchers have found that an individual's perception of genetically modified organisms might impact their judgments about whether or not nanotechnology-enabled products should be labeled in stores.

Simple stickers may save lives of patients, athletes and lower medical costs
Posted on Tuesday October 16, 2018

Researchers have created wearable medical electronic devices that someone can easily attach to their skin. The devices are made out of paper to lower the cost of personalized medicine.

New memristor boosts accuracy and efficiency for neural networks on an atomic scale
Posted on Tuesday October 16, 2018

Hardware that mimics the neural circuitry of the brain requires building blocks that can adjust how they synapse. One such approach, called memristors, uses current resistance to store this information. New work looks to overcome reliability issues in these devices by scaling memristors to the atomic level. Researchers demonstrated a new type of compound synapse that can achieve synaptic weight programming and conduct vector-matrix multiplication with significant advances over the current state of the art.

New reservoir computer marks first-ever microelectromechanical neural network application
Posted on Tuesday October 16, 2018

A group of researchers reports the construction of the first reservoir computing device built with a microelectromechanical system. The neural network exploits the nonlinear dynamics of a microscale silicon beam to perform its calculations. The group's work looks to create devices that can act simultaneously as a sensor and a computer using a fraction of the energy a normal computer would use.

Satellite tech to create more effective, 'true' shark sanctuaries
Posted on Tuesday October 16, 2018

When they first set out to follow grey reef sharks around the Republic of the Marshall Islands (RMI), researchers intended to survey their movement in the protected waters there. What they found was a disturbing development for the Pacific island nation.

Automated system identifies dense tissue, a risk factor for breast cancer, in mammograms
Posted on Tuesday October 16, 2018

Researchers have developed an automated model that assesses dense breast tissue in mammograms -- which is an independent risk factor for breast cancer -- as reliably as expert radiologists. This marks the first time a deep-learning model of its kind has successfully been used in a clinic on real patients, according to the researchers. With broad implementation, the researchers hope the model can help bring greater reliability to breast density assessments across the nation.

A stabilizing influence enables lithium-sulfur battery evolution
Posted on Tuesday October 16, 2018

A new approach to making the sulfur cathodes in lithium-sulfur batteries, could preserve their impressive energy density -- clearing a significant hurdle that had blocked their widespread use for more than a decade.

Exploring new spintronics device functionalities in graphene heterostructures
Posted on Tuesday October 16, 2018

Graphene Flagship researchers have shown how heterostructures built from graphene and topological insulators have strong, proximity induced spin-orbit coupling which can form the basis of novel information processing technologies.

Guidelines for a standardized data format for use in cross-linguistic studies
Posted on Tuesday October 16, 2018

An international team of researchers has set out a proposal for new guidelines on cross-linguistic data formats, in order to facilitate sharing and data comparisons between the growing number of large linguistic databases worldwide. This format provides a software package, a basic ontology and usage examples.

Technique quickly identifies extreme event statistics
Posted on Monday October 15, 2018

Engineers have developed an algorithm that quickly pinpoints the types of extreme events that are likely to occur in a complex system, such as an ocean environment, where waves of varying magnitudes, lengths, and heights can create stress and pressure on a ship or offshore platform. The researchers can simulate the forces and stresses that extreme events -- in the form of waves -- may generate on a particular structure.

High entropy alloys hold the key to studying dislocation avalanches in metals
Posted on Monday October 15, 2018

For decades researchers have studied materials from structures to see why and how they fail. Before catastrophic failure, there are individual cracks or dislocations that form, which are signals that a structure may be weakening. While researchers have studied individual dislocations in the past, a team has now made it possible to understand how dislocations organize and react at nanoscale.

Applying auto industry's fuel-efficiency standards to agriculture could net billions
Posted on Monday October 15, 2018

Adopting benchmarks similar to the fuel-efficiency standards used by the auto industry in the production of fertilizer could yield $5-8 billion in economic benefits for the U.S. corn sector alone, researchers have concluded.

New model helps define optimal temperature and pressure to forge nanoscale diamonds
Posted on Monday October 15, 2018

To forge nanodiamonds, which have potential applications in medicine, optoelectronics and quantum computing, researchers expose organic explosive molecules to powerful detonations in a controlled environment. These explosive forces, however, make it difficult to study the nanodiamond formation process. To overcome this hurdle, researchers recently developed a procedure and a computer model that can simulate the highly variable conditions of explosions on phenomenally short time scales.

New smart watch algorithms can help identify why you are sleeping poorly
Posted on Monday October 15, 2018

New algorithms take advantage of multiple smart watch sensors to accurately monitor wearers' sleep patterns. As well as obtaining rich information on wearers' sleep, the software, called SleepGuard, can estimate sleep quality and provide users with practical advice to help them get a better night's snooze.

 

 


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