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DateDate: 23-03-2018, 06:34

British scientists have created a mechanical arm capable of translating sounded words, phrases and whole sentences into sign language.
The authors of the project hope that their offspring will significantly change the lives of deaf people, reports VistaNews.
This mechanism can be used as a portable personal translator. You can take your hand with you to public transport, school, university, to work.
It does not take up much space and is easy to manage.
At the same time, the developers intend to expand the functionality of the device and supplement the program component with the dictionaries of other languages. You can create a gadget by printing out details on a 3D printer.
At the same time the cost of the device does not exceed 400 pounds sterling. For people with disabilities in the UK, such an interpreter may well be affordable, so scientists hope that he will find a mass application.

DateDate: 23-03-2018, 06:31
A scientist from the United States has developed a new type of battery, which is believed to be capable of holding up to five times more power than the devices that are used in modern high-powered telephones, laptops and electric vehicles.
This is reported iNews.
Lithium-air batteries mocked the researchers for many years because of their advantages compared to lithium-ion technology. Now researchers from the University of Illinois in Chicago and the Aragonese National Laboratory have created a version that works in a natural environment, and still works after a record 750 cycles of charging / discharging.
"Our design of lithium-air batteries represents a revolution in the battery battery society," said Amin Salehi-Hodzhin, co-author of the article.
A new type of battery can provide basic benefits for phone users who are tired of unsatisfactory charging of their weak batteries, and also for the industry, as companies such as Tesla and Nissan are experimenting with cheaper and more efficient batteries.
Until now, experiments with lithium-air batteries have failed. They work by combining lithium in a battery with oxygen to create lithium peroxide, which during charging is broken down into lithium and oxygen.
However, previous attempts did not allow to avoid problems with oxidation and by-products, which hammered the mechanism. The new version is the first one that can work without pure oxygen tanks.