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To avoid impression that SARS-CoV-2 transmission is ever-changing, interpret new info using existing

The authors argue that the rapidly developing research on SARS-CoV-2 transmission provides a solid foundation for interpreting new information. The established knowledge of viral spread across various contexts and spatial scales, including household, residential, and community settings, remains well-established.

Star clusters are only the tip of the iceberg

Astronomers at the University of Vienna used machine learning to trace groups of stars born together and found thousands of sibling stars surrounding well-known cores of star clusters. The discovery reveals that star clusters are enclosed in rich halos, or coronae, more than 10 times larger than previously thought.

SourceUniversity of Vienna·JournalAstronomy and Astrophysics·DateOct 15, 2020

Predicting sports performance with "big data"

Researchers developed a mathematical model to estimate key physiological parameters like maximal aerobic speed and endurance in athletes. The non-invasive data gathering method offers new possibilities for treatments and monitoring.

SourceCNRS·JournalNature Communications·DateOct 6, 2020

Roboticizing fabrics

Scientists created a new type of fabric that can change shape and support loads, using heat-responsive alloy, stiff composite fibers, and conductive ink. The robotic fabric was used to make a tourniquet and napkin-sized sheet that can fold into a box supporting up to 50g of weight.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateSep 28, 2020

Optimizing of VCSEL photon lifetime for minimum energy consumption at varying bit rates

Researchers have optimized Vertical Cavity Surface Emitting Lasers (VCSELs) to achieve lower energy consumption while maintaining high data transmission rates. The study demonstrates that doubling the number of devices can reduce total energy consumption by 50% without compromising device lifetime or reducing current density.

Fish oil without the fishy smell or taste

A new refining process developed by University of Cincinnati researchers enriches the omega-3 fatty acid content of apple juice without changing its taste. This technique uses a vortex fluidic device to minimize oxidation and improve shelf life, resulting in higher-quality fish oil supplements.

SourceUniversity of Cincinnati·Journalnpj Science of Food·DateSep 15, 2020

Battery-free Game Boy runs forever

Researchers at Northwestern University and TU Delft have developed a battery-free, energy-harvesting Game Boy that can play games from original cartridges, reducing the need for batteries. The device harnesses energy from solar panels and user button presses to enable indefinite gameplay.