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October 28, 2018 07:34 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/-Ns6IoE0LD8/china-produces-nano-fibre-that-can-lift-160-elephants---and-a-space-elevator
China Produces Nano Fibre That Can Lift 160 Elephants - and a Space Elevator?
Slashdot reader hackingbear quotes the NZ Herald: A research team from Tsinghua University in Beijing has developed a fibre they say is so strong it could even be used to build an elevator to space. They say just 1 cubic centimeter of the fibre — made from carbon nanotube — would not break under the weight of 160 elephants, or more than 800 tonnes. And that tiny piece of cable would weigh just 1.6 grams... The Chinese team has developed a new "ultralong" fibre from carbon nanotube that they say is stronger than anything seen before, patenting the technology and publishing part of their research in the journal Nature Nanotechnology earlier this year... The space elevator idea has remained in the realm of sci-fi, physical and mathematical models because there has been no material strong enough to make the super-light, ultra-strong cables needed...Now, the Tsinghua team, led by Wei Fei, a professor with the Department of Chemical Engineering, says their latest carbon nanotube fibre has tensile strength of 80 gigapascals [over ten times more than the 7 gigapascals strenth NASA estimated to be required for a space elevator]... Chinese and Russian space scientists, for instance, are working together to find a safe, effective way to lower a fine, feather-light cable from a high-altitude orbit to the ground. Wei also said his team was trying to get the carbon nanotube fibre into mass production for use in defense -- or to create super fast flywheels in a mechanical battery, which would have 40 times the energy density of a lithium battery.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/-Ns6IoE0LD8/china-produces-nano-fibre-that-can-lift-160-elephants---and-a-space-elevator
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