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一 | 据外媒报道,英伟达首席执行官黄仁勋在当地时间19日星期三的国际消费电子展上指出,计算机处理能力每隔几年呈指数级增长的传统观点已达到极限。

二 | ”“摩尔定律已不复存在,”图形芯片制造商英维达的共同创始人说。长期以来,摩尔定律不仅是计算机处理器制造的指导原则,也是促进科技产业自我实现的预言。

三 | LONDON -- A crane on tracks was removing a much-loved tree Thursday from the place near the Roman landmark of Hadrian’s Wall in northeastern England where the sycamore was cut down two weeks ago in an apparent act of vandalism.The National Trust, which seeks to protect England’s heritage and natural landscapes, said the crane will lift the often-photographed and painted tree, which some believe to have been around 300 years old, from where it lies near the delicate and now-damaged wall. Andrew Poad, the site’s general manager for the National Trust, said it was necessary to move the tree “both to preserve the world-famous monument that is Hadrian’s Wall, and to make the site safe again for visitors.”Though the 50-foot (15-meter) tree is too big to move in one piece, experts hope the trunk can be kept in large sections in order to leave future options open on what could be done. The stump, which could generate new shoots, will be kept in place and is currently behind a protective barrier. Seeds have also been collected to see if they could be used to propagate new saplings.“We’ve explored every option for moving the tree and while it isn’t possible to lift it in one go, as the tree is multi-stemmed with a large crown, we have aimed to keep the trunk in as large sections as possible, to give us flexibility on what the tree becomes in future," Poad said.Northumbria Police arrested a 16-year-old boy and a man in his 60s after the tree was felled a fortnight ago. They were released on bail pending further inquiries into what a chief detective described as the “senseless destruction” of the tree.The tree was one of the main landmarks along Hadrian’s Wall, a UNESCO World Heritage Site built nearly 2,000 years ago, when Britain was part of the Roman Empire, to guard its northwestern frontier. For generations, walkers have paused to admire and photograph the tree at Sycamore Gap, which was made famous when it appeared in Kevin Costner’s 1991 film “Robin Hood: Prince Of Thieves.”The tree, which was cut down near the base of its trunk, could grow again, experts said, though they cautioned that it would never be the same.The National Trust has received thousands of messages about the tree, with advice on what to do with the stump and suggestions of what could be done with the felled tree, including making benches from the wood, a sculpture or souvenirs to sell.There will be a public consultation about what happens next at the site.。iPhone、三星Galaxy智能手机和其他设备的常规改进是由摩尔定律决定的。然而,当芯片元件的尺寸接近单个原子的尺寸时,要跟上摩尔定律就变得越来越困难。现在,每两年将特定芯片上的晶体管数量和相应的处理能力翻一番,变得越来越昂贵,技术上也越来越困难。黄仁勋在展览会上指出:“摩尔定律过去每五年增长10次,每十年增长100次。现在摩尔定律一年只能增长几个百分点。也许每10年只有两次。摩尔定律结束了。这不是黄仁勋第一次宣布摩尔定律的终结。他在过去几年里也发表过类似的言论。技术产业关注的是,一旦半导体发展放缓,整个电子创新也将放缓。

四 | 处理器的收缩提高了电池寿命,降低了成本,提高了设备性能。长期以来,英特尔一直是半导体制造业的领导者。它已经多次推迟了向10纳米制造业转移的计划,而三星等其他公司也在引进更先进的7纳米芯片。尽管像黄仁勋这样的人已经宣布摩尔定律的终结,材料科学家仍在寻找改善现有硅晶体管技术的方法,并正在探索替代技术,如超薄碳石墨烯片。市场研究公司Moor Insights。
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