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Science News Archive 2021 - Page 191


Page 191 of 510

Decoding how salamanders walk

Researchers at Tohoku University and Swiss Federal Institute of Technology have decoded salamanders' body-limb coordination mechanisms. Their findings provide insights into adaptive locomotion and could aid the development of agile robots.

SourceTohoku University·JournalFrontiers in Neurorobotics·DateJul 30, 2021

A novel route to energy saving technologies in the IT sector: Controlling ferrimagnets by voltage

Researchers at Chemnitz University of Technology and MIT demonstrate 180° magnetization reversal by voltage-induced hydrogen loading into ferrimagnets, promising a drastic reduction in global power consumption. The new approach could open a pathway to dramatically reduced energy consumption for data storage media.

SourceChemnitz University of Technology·JournalNature Nanotechnology·TypeExperimental study·DateJul 30, 2021

Natural mineral hackmanite enables new method of x-ray imaging

Researchers have developed a new X-ray imaging method utilizing hackmanite's colouring abilities, revealing its potential for non-expensive and reusable imaging applications. The study found that adding different atoms to the material impacts its colouring properties, and the mechanism of colour changing occurs through X-ray excitation.

SourceUniversity of Turku·JournalAdvanced Optical Materials·DateJul 30, 2021

Scientists obtain new polymer composite for electromagnetic shielding applications

Researchers from NUST MISIS and international partners create a radar-absorbing polymer composite with excellent magnetic and microwave properties. The composite can absorb 99.9% of incoming electromagnetic radiation, making it suitable for EMI shielding applications in industries such as 5G networks and radar absorbing coatings.

SourceNational University of Science and Technology MISIS·JournalJournal of Alloys and Compounds·DateJul 30, 2021

Diabetes Special Issue: Advances in Treatments, Still Hoping for a Cure

Despite major advances in diabetes treatments, nearly 50 million people lack access to insulin due to limited availability and poor affordability. Researchers discuss the need for coordinated efforts from multiple stakeholders to improve insulin availability and explore alternative therapies that can prevent or cure the disease.

A Highly-Accurate and Broadband Terahertz Counter Eyes "Beyond 5G / 6G"

The National Institute of Information and Communications Technology has developed a highly-accurate and wide-measurable band terahertz frequency counter. The counter's measurement uncertainty is less than 1 x 10^-16, making it suitable for various applications including high-resolution spectroscopy of ultracold molecules.

SourceNational Institute of Information and Communications Technology (NICT)·JournalMetrologia·TypeExperimental study·DateJul 29, 2021

I know the name, but cannot read it right: difficulties in reading recent Japanese names

A Tokyo University of Science researcher analyzed 8,000 infant names and found that common boys' name "大翔" has at least 18 readings, while girls' name "結愛" has at least 14. The study shows that parents use various readings, including non-existent ones, and abbreviate common readings.

SourceTokyo University of Science·JournalHumanities and Social Sciences Communications·TypeContent analysis·DateJul 29, 2021

Tiny wireless device illuminates neuron activity in the brain

Researchers have developed a wireless, battery-free device that can illuminate neuron activity in the brain without penetrating the skull or tissue. This breakthrough technology has the potential to revolutionize treatments for conditions like epilepsy, chronic pain, and depression by enabling less invasive optogenetics experiments.

SourceUniversity of Arizona College of Engineering·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 29, 2021

Marine ecologists reveal mangroves might be threatened by low functional diversity of invertebrates

Marine ecologists found that mangroves have the lowest functional redundancy among resident fauna, indicating a high risk of ecological collapse. The study suggests that even modest local losses of invertebrate diversity could have significant negative consequences for mangrove functionality and resilience.

SourceThe University of Hong Kong·JournalProceedings of the National Academy of Sciences·DateJul 29, 2021

Optimizing phase change material usage could reduce power plant water consumption

Researchers at Texas A&M University have developed a method to cool steam turbines using phase change materials, potentially reducing fresh water usage. By leveraging machine learning techniques, they created a system that can predict when and how much of the PCM will melt and freeze, maximizing cooling power and capacity.

SourceTexas A&M University·JournalJournal of Energy Resources Technology·TypeNews article·DateJul 29, 2021

Q-CTRL and University of Sydney announce machine learning technique to pinpoint quantum errors

Researchers at Q-CTRL and University of Sydney have developed a machine learning technique to identify sources of error in quantum computers. This technique enables hardware developers to pinpoint performance degradation with unprecedented accuracy, accelerating the development of useful quantum computers.

SourceHKA Marketing Communications·JournalPhysical Review Letters·TypeExperimental study·DateJul 29, 2021

We are more forgiving when people close to us misbehave

A study published by the American Psychological Association found that individuals are more forgiving towards loved ones who misbehave, but this leniency comes at a cost. Participants reported feeling more shame and guilt when someone close to them committed an unethical act, while also feeling less anger and contempt towards family me...

SourceAmerican Psychological Association·JournalJournal of Personality and Social Psychology·TypeExperimental study·DateJul 29, 2021