Tech

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mask-use-and-proper-ventilation-reduce-indoor-spread-of-covid-19

mask-use-and-proper-ventilation-reduce-indoor-spread-of-covid-19

Face masks and a good ventilation system are more important than social distancing for reducing the airborne spread of COVID-19 in classrooms, says a new study.   This study by the University of Central Florida is important at a time when schools and universities are considering returning to more direct …

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what-exactly-is-chinas-airborne-aircraft-carrier-that-launches-drones

what-exactly-is-chinas-airborne-aircraft-carrier-that-launches-drones

The one unchanging reality of warfare, throughout the centuries, is the fact the technologies and strategies of war are constantly evolving.   Unmanned aerial vehicles (drones in common parlance) had entered the laymen’s lexicon since the US invasions of Afghanistan (2001) and Iraq (2003) when the ‘Predator’ UAVs stole the …

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size-of-raindrops-can-help-identify-potentially-habitable-planet

Scientists who search for life outside our solar system think that there might be some planets that are more hospitable than our Earth. Harvard researchers recently found that raindrops are remarkably similar across different planetary environments, even planets as drastically different as Earth and Jupiter.    One day, humankind may …

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new-rechargeable-batteries-revolutionise-energy-storage

new-rechargeable-batteries-revolutionise-energy-storage

Researchers have developed low-cost materials to create rechargeable batteries that will make energy storage more affordable. This new kind of battery could provide a safer and more environmentally friendly alternative to lithium-ion batteries, which currently dominate the market but are slow to charge and have a knack for catching fire. …

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external-influences-affect-childrens-development-of-self-control

external-influences-affect-childrens-development-of-self-control

The ability to control one’s own behaviour, known as executive function, might not exist all in your head. A new theory proposes that it develops with many influences from outside the mind. Working memory, flexible thinking, time management, organisation and self-control are among the mental skills that constitute executive function. …

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scientists-make-bioplastic-using-fish-waste

scientists-make-bioplastic-using-fish-waste

Scientists are working on an alternative to conventional single-use plastic. Polyurethanes, a type of plastic, are nearly everywhere—in shoes, clothes, refrigerators and construction materials. But these highly versatile materials can have a major downside. Derived from crude oil, toxic to synthesise, and slow to break down, conventional polyurethanes are not …

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scientists-develop-safe-cheap-technology-for-egg-disinfection

scientists-develop-safe-cheap-technology-for-egg-disinfection

Scientists have developed an inexpensive, safe technology to eliminate risks of contamination by microorganisms on packed eggs’ surface. The technology can also be used to disinfect the surface of eggs of other birds, as well as products with peels or other natural packaging (seeds, bananas, oranges).     Viruses, bacteria …

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fabric-choice-layering-can-impact-face-mask-efficiency

fabric-choice-layering-can-impact-face-mask-efficiency

Wearing a face mask is part of a comprehensive strategy of measures to provide an adequate level of protection against COVID-19. However, the type of material and how many fabric layers used can significantly affect exposure risk, finds a new study from the Georgia Institute of Technology. The researchers tested …

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