Technology

Could a giant parasol in space help solve the climate crisis?

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A group of Israeli scientists want to send a giant sail into space to block out some of the sun’s radiation. The shading in this artist’s rendering has been enhanced to illustrate the concept. (Technion Israel Institute of Technology and Asher Space Research Institute) It has come to this. With the Earth at its hottest … Read more

‘reasonably fast, if you consider 17 hours per frame as reasonably fast’

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The ZX Spectrum with a colorful background. Ray tracing has been around in computer graphics for a surprisingly long time. It was used to generate images in the 1960s, and by the 1980s new algorithms had been developed, including path tracing. Still, the “Holy Grail of Display” remained a distant dream for early home machines … Read more

Bones found in an 8-meter-deep well could ‘fundamentally change’ human history in Europe

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Microscopic fragments of proteins and DNA recovered from bones discovered in 8 meters (26 feet) of cave dirt have revealed that Neanderthals and humans were probably living side by side in Northern Europe as early … Read more

Apple, Bose, Beats and more

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Best headphones in 2024 for work, travel and play (Photo via Getty Images). When my small-town parents visited Toronto for the first time, what struck them most wasn’t the number of people or the height of the buildings: it was the headphones. Almost everyone on the street wore them: pedestrians zoomed through intersections, all bobbing … Read more

Ukrainian drone production versus Russian capabilities – interview with UAV developers

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The occupiers Oleksandr Chendekov, known in Ukraine as “the father of drones,” tells NV about the convergence of Russian raw materials and Chinese production in equipping the Russian military with modern UAVs, and how Ukraine could counter it. Coincidentally, our interview with Chendekov, recorded in a cafe in Kiev, was accompanied by an attack by … Read more