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Matthias Mueller, chief executive of Europe’s biggest carmaker, said huge investments would be needed as the firm moves beyond the "dieselgate" scandal.He hopes that by 2025, all-electric cars would account for about 20-25% of the German carmaker’s annual sales.Latest figures show that sales of Volkswagen-branded cars continue to fall behind European rivals.Outlining what he described as the "key building blocks in the new group strategy", Mr Mueller said VW aimed to "transform its core automotive business or, to put it another way, make a fundamental realignment in re...
发布时间: 2016 - 06 - 17
浏览次数:35
The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock.Reactions with the minerals in the deep basalts convert the carbon dioxide to a stable, immobile chalky solid.Even more encouraging, the team writes in Science magazine, is the speed at which this process occurs: on the order of months."Of our 220 tonnes of injected CO2, 95% was converted to limestone in less than two years," said lead author Juerg Matter from Southampton University, UK."It was a huge surprise to all the scientists involved in the project, and we t...
发布时间: 2016 - 06 - 11
浏览次数:33
Space station astronauts opened the world’s first inflatable space habitat Monday and floated inside.NASA astronaut Jeffrey Williams swung open the door to the newly expanded chamber and was the first to enter. He said it was pristine but cold inside.The room — called the Bigelow Activity Activity Module, or BEAM — arrived at the International Space Station in April, packed in the trunk of a capsule loaded with supplies. It was inflated just over a week ago.Mission Control said the temperature registered 44 degrees, as anticipated, at one end of the 13-foot-long, 10 ? -foot-wide chamber. There...
发布时间: 2016 - 06 - 09
浏览次数:33
Researchers at MIT and Brigham and Women’s Hospital have developed nanoparticles that can deliver antiobesity drugs directly to fat tissue. Overweight mice treated with these nanoparticles lost 10 percent of their body weight over 25 days, without showing any negative side effects.The drugs work by transforming white adipose tissue, which is made of fat-storing cells, into brown adipose tissue, which burns fat. The drugs also stimulate the growth of new blood vessels in fat tissue, which positively reinforces the nanoparticle targeting and aids in the white-to-brown transformation.These drugs,...
发布时间: 2016 - 06 - 07
浏览次数:30
Google has patented a sticky coating for driverless cars that could reduce damage done to pedestrians in the event of a collision.People struck by the vehicle would become glued to its bonnet, rather than being thrown off and further injured.One transport safety professor said the concept could reduce injuries sustained in a pedestrian collision.Google did not say whether it intended to implement the idea in its driverless vehicles."It does have some merit to it," said Andrew Morris, Professor of Human Factors in Transport Safety at Loughborough University."When pedestrian accid...
发布时间: 2016 - 05 - 30
浏览次数:61
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