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Invisible Air Pollution in The Country May Be Just as Toxic as The Smog of The City

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It’s easy to see air pollution when it settles as smog over a city. Yet even in rural areas, where the air looks clearer, researchers have found unhealthy particles floating in the atmosphere.   That sweet country air may not be as invigorating as we once thought. Fine particulate matter less than 2.5 micrometers in … Read more

There’s a Hidden Mathematical ‘Law’ in The Sand Megaripples Found All Over Earth

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Wherever there is sand and an atmosphere, prevailing winds may whip the grains into undulating shapes, pleasing to the eye with their calming repetition. Certain sand waves, with wavelengths between 30 centimeters (almost 12 inches) and several meters (around 30 feet), are known as megaripples: they’re between ordinary beach ripples and full dunes in size, … Read more

Mobile phone detection cameras catch over 270,000 offenders in Australia

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The proportion of drivers in New South Wales illegally using their mobile phones has dropped fivefold since AI cameras began catching offenders Technology 8 December 2021 By Alice Klein A driver using their phone in a photo captured by a mobile phone detection camera in New South Wales, Australia Uncredited/AP/Shuttersto​ck World-first cameras in Australia that … Read more