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- contact person:Chen Jiaxin
- company phone: 0168-26221240
- cell phone: 15893241218
- company location:Yuncheng County
- company address:Yuncheng County
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v? trang sbobet AdvertisementMuseum Visitor Falls Into Giant Hole That Looks Like a Cartoonish Painting on the FloorLike a real-life version of a Looney Tunes cartoon, a visitor to a Portuguese museum was injured鈥?/p>Read moreThere is one way to create a flawless black matte finish on almost any object, however, as discovered by a British company called Surrey NanoSystems. Its Vantablack paint is made from microscopic carbon nanotubes that are able to trap and absorb over 99.97% of visible light hitting it, making the finish appear so dark it鈥檚 completely invisible to the human eye. In 2018, a museum visitor famously fell into a hole painted with the Vantablack material that instead looked like a large black dot on the floor. The problem for Apple is that in 2016 artist Anish Kapoor secured the exclusive rights to using Vantablack, meaning the company can鈥檛 actually use it on its MacBooks. However, what Anish Kapoor doesn鈥檛 exclusively own is the science of how Vantablack works, and that鈥檚 what Apple鈥檚 researchers are working to recreate using other methods.AdvertisementAdvertisementIllustration: USPTO.reportThrough a process that involves anodizing the surface of a metal substrate (the aluminum lid of a MacBook, for example), infusing colored particles into the microscopic pores of the resulting metal oxide layer, and then applying a final layer of light-absorbing features, the reflectivity of the metal surface should be dramatically reduced. One example of that final step outlined in the patent involves etching a series of irregular peaks and pits, varying in height by a mere two micrometers, that cause light to get trapped and bounce off in random directions to create a more diffused reflection that has a duller matte-like appearance to the human eye.Advertisement setTimeout(() => const adSlot = document.querySelector(.apscustom); const adFallback = document.querySelector(.ars-fallback); if (adSlot) if has been read, but theres no ad, then show the fallback if (adFallback && adSlot.offsetHeight
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- v? trang sbobet Some 142 Chinese companies are among the worlds 500 largest companies, according to the 2023 Fortune Global 500 list released on August 1. Chinese automaker BYD jumped from 436th last year to 212th this year with a total revenue of ,041 million in its previous fiscal year, according to the list. E-commerce giant JD dropped from 46th last year to 52nd this year with a total revenue of 5,433 million. Alibaba also saw a decline in ranking from 55th last year to 68th this year. Huaweis ranking dropped 15 places to 111th, Tencent dropped from 121st to 147th, Lenovo dropped 46 places to 217th, and Xiaomi fell 94 places to 360th. Major appliance manufacturer Gree, which was the 487th largest company in 2022, dropped out of the list altogether. Notably, food delivery giant Meituan entered the list for the first time at the 467th spot with a total revenue of ,699 million. Additionally, Shenzhen-based electric equipment manufacturer Luxshare and battery maker CATL also made their debuts on the list, ranking at 479th and 292nd respectively. [Fortune]