Current Performance News and Events

Current Performance News and Events, Performance News Articles.
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Distorting memories helps the brain remember
In order to remember similar events, the brain exaggerates the difference between them. This results in divergent brain activity patterns but better memory performance, according to new research published in JNeurosci. (2021-02-22)

Silicon chip provides low cost solution to help machines see the world clearly
Researchers in Southampton and San Francisco have developed the first compact 3D LiDAR imaging system that can match and exceed the performance and accuracy of most advanced, mechanical systems currently used. (2021-02-10)

Age shall not weary them when it comes to discus and javelin
Discus and javelin throwers as well as marathon runners and race walkers are likely to achieve their best performances at a later age than sprinters, hurdlers and middle-distance runners. Why? It comes down to muscle fibres and technique. (2021-02-10)

Efficiency limits of next-generation hybrid photovoltaic-thermal solar technology
Spectral-splitting hybrid photovoltaic-thermal (SSPVT) technology has emerged as a promising route toward high-performance solar harvesting. In this research, scientists have developed a comprehensive framework for modelling SSPVT solar collectors. The framework can be used to determine the efficiency limits of such collectors and to indicate how these limits can be approached through the selection of optimal designs and materials. This work promotes and provides guidance to the design, development and deployment of next-generation solar systems. (2021-02-08)

New way to power up nanomaterials for electronic applications
UCLA materials scientists and colleagues have discovered that perovskites, a class of promising materials that could be used for low-cost, high-performance solar cells and LEDs, have a previously unutilized molecular component that can further tune the electronic property of perovskites. (2021-02-05)

Center for BrainHealth researchers create virtual reality cognitive assessment
Virtual reality isn't just for gaming. Researchers can use virtual reality, or VR, to assess participants' attention, memory and problem-solving abilities in real world settings. By using VR technology to examine how folks complete daily tasks, like making a grocery list, researchers can better help clinical populations that struggle with executive functioning to manage their everyday lives. (2021-02-05)

Batteries that can be assembled in ambient air
POSTECH-Ulsan College joint research team develops a multi-functional separator membrane that traps impurities in the air. Opens the possibility of a battery manufacturing environment that reduces processing costs without a dry room. (2021-02-01)

Detecting ADHD with near perfect accuracy
A new study led by a University at Buffalo researcher has identified how specific communication among different brain regions, known as brain connectivity, can serve as a biomarker for attention deficit hyperactivity disorder (ADHD). (2021-01-27)

Tungsten-substituted vanadium oxide breathes fresh air into catalyst technology
Tokyo, Japan - Researchers from Tokyo Metropolitan University have created a new tungsten-substituted vanadium oxide catalyst for breaking down harmful nitrogen oxides in industrial exhaust. Their new catalyst material works at lower temperatures and does not suffer major drops in performance when processing ''wet'' exhaust, resolving a major drawback in conventional vanadium oxide catalysts. They found that the unaggregated dispersal of atomic tungsten in the original crystal structure plays a key role in how it functions. (2021-01-26)

Solar material can 'self-heal' imperfections, new research shows
A material that can be used in technologies such as solar power has been found to self-heal, a new study shows. (2021-01-26)

Study recommends rugby league invests in young players' diets
New QUT study recommends NRL rugby league clubs 'invest' in young players' diets to aid performance and recovery with the research outlining specific nutritional needs for the high-impact sport. (2021-01-22)

Reducing traps increases performance of organic photodetectors
Physicists at the Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) discovered that trap states rule the performance of organic photodetectors, ultimately limiting their detectivity. These highly promising results have now been published in the renowned scientific journal Nature Communications. (2021-01-22)

Study shows number and variety of issues experienced by staff wearing
A new study analysing the impact of PPE staff shows that the number and variety of issues they experience increases as their time in PPE without a break increases, ranging from tiredness and headaches in the first hour to nausea, vomiting and dizziness as they head towards four hours continuously in PPE. (2021-01-21)

How fellow students improve your own grades
Better grades thanks to your fellow students? A study conducted by the University of Zurich's Faculty of Business, Economics and Informatics has revealed that not only the grade point average, gender and nationality peers can influence your own academic achievement, but so can their personalities. Intensive contact and interaction with persistent fellow students improve your own performance, and this effect even endures in subsequent semesters. (2021-01-20)

CMOS-compatible 3D ferroelectric memory with ultralow power and high speed
POSTECH Professor Jang-Sik Lee's research team develops ferroelectric NAND flash memory. (2021-01-18)

Sleep is irreplaceable for the recovery of the brain
Researchers at the Medical Center - University of Freiburg demonstrate, for the first time directly, that active recovery processes take place in the brain during sleep that cannot be replaced by rest / Findings relevant for optimal performance (2021-01-07)

Impurities boost performance of organic solar cells
An electrochemical method for stabilizing a reactive molecule can help the development of higher efficiency solar cells. (2021-01-05)

AI algorithms detect diabetic eye disease inconsistently
In a paper published Jan. 5 in Diabetes Care, researchers compared seven algorithms to detect diabetic retinopathy against the diagnostic expertise of retina specialists. (2021-01-05)

Female athletes in WNBA don't return to elite performance for at least 2 years after ACL surgery
Study findings of ACL injuries in WNBA athletes sets return to sport expectations for all female athletes (2020-12-21)

Waste to treasure: Crayfish shells to store energy
Other than a spicy night snack, the crayfish has been endowed with greater significance. Prof. ZHU Xifeng's team from University of Science and Technology of China made it possible to use crayfish shell as the biological template for high-performance supercapacitors. (2020-12-21)

Novel cathode design significantly improves performance of next-generation battery
A research team at HKUST has proposed a novel cathode design concept for lithium-sulfur (Li-S) battery that substantially improves the performance of this kind of promising next-generation battery. (2020-12-11)

A biased evaluation of employees' performance can be useful for employers
In assessing an employee's performance, employers often listen to his immediate supervisor or colleagues, and these opinions can be highly subjective. Sergey Stepanov, an economist from HSE University, has shown that biased evaluations can actually benefit employers. An article substantiating this finding was published in the Journal of Economic Behavior and Organization. (2020-12-10)

Animal behaviour: Cognitive performance of four-months-old ravens may parallel adult apes
By four months of age the cognitive performance of ravens in experimental tasks testing their understanding of the physical world and how they interact with other ravens may be similar to those of adult great apes, according to a study published in Scientific Reports. (2020-12-10)

A surgeon's birthday may be a dicey day for older patients
Older people who undergo emergency surgeries on their operating surgeon's birthday may be more likely to die within a month than patients who go through similar procedures on other days, a new UCLA-led study suggests. (2020-12-10)

Shining a light on what's really happening in perovskite solar cells
Researchers from the University of Tsukuba used electron spin resonance spectroscopy to follow the internal deterioration mechanism of perovskite solar cells while they were in operation. They showed correlation between changes in the spin states and the performance of the solar cells. It is hoped that the findings will provide a useful starting point for the continued development of perovskite solar cells and ultimately contribute to viable green energy solutions. (2020-12-09)

Multiple semiconductor type switching to boost thermoelectric conversion of waste heat
Scientists at Tokyo Tech demonstrate double charge carrier type switching of tin SnSe semiconductor by doping of antimony Sb. The SnSe carrier type switches from p-type to n-type, and re-switches to p-type as doping increases, due to the switching of major Sb substitution site from Se to Sn, promising reliable charge polarity control, leading to realization of SnSe-based p/n homojunction thermoelectric device for converting waste heat into electricity and new insights on impurity doping of compound semiconductors. (2020-12-09)

The world's smallest high-performance magnetic tunnel junction
A research group from Tohoku University led by current president Hideo Ohno has developed the world's smallest (2.3 nm) high-performance magnetic tunnel junctions (MTJs). This work is expected to accelerate the advancement of ultrahigh-density, low-power, high-performance non-volatile memory for a variety of applications, such as IoT, AI, and automobiles. (2020-12-08)

New study links number of menopause symptoms with job performance
With a large percentage of women in the workplace aged between 40 and 59 years, the challenge of women managing menopause symptoms while at work is commonplace. A new study examined the relationship between the number of menopause symptoms and the job performance of working women. Study results are published online in Menopause, the journal of The North American Menopause Society (NAMS). (2020-12-01)

Ultrathin spray-applied MXene antennas are ready for 5G
New antennas so thin that they can be sprayed into place are also robust enough to provide a strong signal at bandwidths that will be used by fifth-generation (5G) mobile devices. Performance results for the antennas, which are made from a new type of two-dimensional material called MXene, were recently reported by researchers at Drexel University and could have rammifications for mobile, wearable and connected ''internet of things'' technology. (2020-11-30)

CsPbBrI2 perovskites with low energy loss for high-performance indoor and outdoor photovoltaics
Large energy loss in the device has limited a further increase in efficiency and commercialization. Recently, a research team led by Prof. Zhao-Kui Wang from Soochow University was using (NH4)2C2O4* H2O to treat CsPbBrI2 perovskite film during spin-coating. The CsPbBrI2 underwent secondary crystallization to form high quality films with micrometer-scale and low trap density. (2020-11-25)

Guiding the way to improved solar cell performance
Small molecules could hold the key to enhancing the efficiency of organic solar cells. (2020-11-24)

Making a case for organic Rankine cycles in waste heat recovery
In a recent research paper, published in the Energy journal, City, University of London's Dr Martin White says cascaded organic Rankine cycle systems could improve the way in which environmentally-friendly power is generated from waste heat. (2020-11-11)

You drive like a girl: Study shows gender bias in perceptions of ride-sharing performance
While digital brokerages provide a more efficient method for the exchange of goods and services and an improved way for consumers to voice their opinions about the quality of work they receive, bias and discrimination can emerge as part of the review process, according to Notre Dame research. (2020-11-09)

Two motivational artificial beings are better than one for enhancing learning
Researchers from the University of Tsukuba have found that offline consolidation of a motor task was enhanced by praise delivered by robots, whether they were presented on a screen or were physically present. Further, simultaneous praise from two agents had a stronger effect than praise from just one, regardless of whether the agents were physically present or virtual. Such effects could be helpful for facilitating education and for general enhancement of human-robot interactions. (2020-11-05)

Machine learning shows similar performance to traditional risk prediction models
Some claim that machine learning technology has the potential to transform healthcare systems, but a study published by The BMJ finds that machine learning models have similar performance to traditional statistical models and share similar uncertainty in making risk predictions for individual patients. (2020-11-04)

NUS researchers invent flexible and highly reliable sensor
Known as Tactile Resistive Annularly Cracked E-Skin (TRACE), this novel sensor material developed by the National University of Singapore researchers is five times better than conventional soft materials, and could be used in wearable health technology devices, or in robotics to perceive surface texture. (2020-11-02)

Boosting the capacity of supercapacitors
Carefully designed covalent organic frameworks could make supercapacitor electrodes that have a greater ability to store electric charge. (2020-11-01)

Performance test for neural interfaces
Freiburg researchers develop guidelines to standardize analysis of electrodes. (2020-10-28)

Focused efforts needed to help health IT reach its promise
Most health systems have adopted electronic health records and other health information technology over the past decade, yet the performance of health systems across the US continues to lag. A new study finds that leveraging the technology to improve the quality of health care will require significant and sustained effort by health systems. (2020-10-27)

Judges' decisions in sport focus more on vigour than skill
Researchers from the University of Plymouth analysed almost 550 men's and women's mixed martial arts contests, using data collated for the Ultimate Fighting Championship, and found the rate at which competitors fight is more likely to result in judges awarding victory than the skill with which they attack their opponents. (2020-10-27)

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