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Science News Archive September 2023


Page 5 of 37

Swimming lessons often discourage kids from just having fun in the pool

Researchers from the Netherlands found that traditional swimming lessons in the country often discourage children from having fun in the pool. By adopting a teaching style based on self-determination theory, instructors can nurture autonomy, competence, and relatedness, leading to improved swimming skills and increased enjoyment. The s...

IISc team develops fully indigenous gallium nitride power switch

The IISc team developed a fully indigenous GaN power switch, comparable to state-of-the-art switches, with a switching time of about 50 nanoseconds. The device's performance is suitable for applications such as power converters for electric vehicles and laptops, as well as wireless communications.

ETRI confirms possibility of wireless communication 40m underground in mine

Researchers at ETRI successfully developed the world's first Subterranean Magnetic Field Communication Core Technology, enabling voice signal-level capacity up to 40 meters below the Earth's surface. This technology promises to bring substantial changes to the underground mining industry by facilitating communication during emergencies...

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Toward high-efficiency thin crystalline silicon solar cells

A new strategy optimizes optical and electrical characteristics of thin c-Si solar cells, improving conversion efficiency by 28% compared to industrial thick counterparts. The proposed design uses a layer transfer method and metal nanofilms for enhanced light absorption and surface passivation.

Optimization of oil industry wastewater treatment system and proposing empirical correlations for chemical oxygen demand removal using electrocoagulation and predicting the system’s performance by artificial neural network

Researchers developed an advanced wastewater treatment system using electrocoagulation to remove chemical oxygen demand pollutants. The system achieved optimal COD removal under specific conditions, and an artificial neural network model accurately predicted COD removal rates.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Integration propels machine vision

A joint research team published a review on in-sensor visual computing, a three-in-one hardware solution that overcomes high latency, power consumption, and privacy risks. The SCAMP chip is a key device, enabling general-purpose, programmable, and massively parallel systems for robotics and computer vision.

Powering the quantum revolution: Quantum engines on the horizon

Researchers at OIST have developed a quantum engine that uses the principles of quantum mechanics to create power, replacing traditional fuel-based methods. The engine's efficiency can reach up to 25% and has potential applications in devices such as batteries and sensors.

Robust channel estimation based on MEP

A novel self-adaptive CE algorithm based on the maximum entropy principle (MEP) analyzes statistical components of noise environments for accurate channel estimation. The proposed method reduces pilot consumption by using estimated signal data as pseudo pilots, achieving superior performance in accuracy and robustness.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Advancing technologies for using cells as biofactories

A comprehensive review explores how industrial biotechnology and biopharmaceutical manufacturing leverage similar frameworks for efficient biochemical production. Advances in synthetic biology, genetic engineering, and high-throughput screening have contributed to rapid progress in new product development.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Protein p53 regulates learning, memory, sociability in mice

Researchers discovered protein p53's role in regulating sociability, repetitive behavior, and hippocampus-related learning and memory in mice. Lowering p53 levels led to changes in gene expressions related to behavior, while elevated p53 levels were linked to positive learning outcomes.

Tiny CRISPR tool could help shred viruses

Rice University scientists developed a tiny CRISPR-Cas13 system to shred viruses by targeting RNA. The system's unique mechanism and three-dimensional structure were mapped using cryo-electron microscopy, allowing researchers to engineer it for improved precision and specificity.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Ultrasound enables gene delivery throughout the brain

Researchers at Rice University have developed a non-invasive gene delivery technique using ultrasound to efficiently deliver clinically used gene therapy vectors throughout the brain. The study, published in Gene Therapy, shows that opening more sites within targeted regions improves gene delivery efficiency.

New technologies aid in accurately identifying bone fragility

The presentation discusses newer non-invasive technologies like trabecular bone score (TBS) and vertebral fracture assessment (VFA) to assess bone health. These advances provide additional information beyond bone mineral density, helping to identify patients at risk for fractures.

How the heart starts beating

Heart cells in developing zebrafish transition from silence to beating in a simultaneous, coordinated manner. Each cell can beat independently, and the heartbeat starts from different locations in different zebrafish.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Researchers dynamically tune friction in graphene

Researchers at the University of Illinois have successfully tuned graphene surface friction using external electric fields, allowing for dynamic control of friction. This breakthrough could lead to reduced energy consumption in nano- and micro-electromechanical systems and mitigate wear and corrosion of sliding surfaces.

New insights into soil liquefaction during earthquakes research reveals

Soil liquefaction, a destructive phenomenon during earthquakes, is redefined by this groundbreaking study. Liquefaction can now be understood to occur in drained conditions with low seismic-energy density levels, triggered by seismic shaking facilitating interstitial fluid flow within the soil.

Have you heard about the “whom of which” trend?

A linguistic phenomenon reveals specific rules governing sentence construction, shedding light on universal features of human language. The researchers found that 'whom of which' obeys strict rules, contributing to a larger discussion about syntax and the existence of pied piping.

Cutting the odds of drug-resistant pathogens emerging in wastewater

Researchers at KAUST discovered that certain combinations of stressors increase gene-transfer rates, while others reduce it. They found synergistic effects from combining stressors like UV light and disinfection chemical byproducts, as well as antagonistic effects from chloroform.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Can you actually have a hot flash in cold weather?

Researchers found a significant association between brown adipose tissue activity and bothersome hot flashes during the coldest months of the year. The study suggests that declining estrogen levels may lead to changes in body core temperature, triggering sweating responses.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Atlantic walrus more vulnerable than ever to Arctic warming

A new study reveals that Atlantic walrus populations are highly fragmented due to climate-driven genetic separation, making them more vulnerable to extinction. Human activities such as hunting, commercial exploitation, and resource extraction further exacerbate this vulnerability.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Monitoring of radio galaxy M87 confirms black hole spin

A team of researchers confirmed the spin of a black hole in galaxy M87 by analyzing data from 2000-2022, showing an 11-year cycle in its jet's precessional motion. The findings provide evidence that the black hole spins, enhancing our understanding of supermassive black holes.

New research reveals dynamic factors shaping biodiversity at small scales

Researchers studying arboreal ants in a Florida forest explore how resource availability and competition shape biodiversity. The study found that both resource availability and competition among species are important for maintaining biodiverse communities, with the relative importance of these processes dependent on scale.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Protecting lands slows biodiversity loss among vertebrates by five times

A new study suggests that protecting large areas of land can help stem biodiversity loss, with vertebrates declining 0.4% per year inside protected areas compared to 1.8% outside. The study highlights the importance of proper governance for the success of protected lands and their role in conserving biodiversity.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Scientists identify promising Colorado wilderness areas for wolf recolonization

Researchers developed an analysis framework to predict wolf movement and conflict risk in advance, identifying a complex of federal Wilderness areas as the best location for reintroduction. The study highlights the critical role of Wilderness areas in providing habitat and connectivity for species with a history of conflict with humans.