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An analyst on the earnings call asked Olsavsky if the testing capability would potentially take Amazon “into a new business path over time,” potentially expanding testing beyond its own employees. Olsavsky responded, “Our main concern is getting testing in the hands of our employees and then potentially as we have excess capacity, perhaps we can help in other areas.”

An international team led by Hong Kong University of Science and Technology scientists has developed the world's first 3D artificial eye. Made of an array of nanowire light sensors, it replicates visual signal to reflect what the "eye" sees onto the computer screen when the sensors are connected to liquid-metal wires serving as nerves. 

Among them, the presence of China's high-speed rail network, communications technology and e-commerce platforms are very visible now - not just in China but around the world.

An Amazon spokesperson confirmed the new convenience store, located at 1423 4th Ave. in the heart of downtown Seattle. It’s unclear when the store will open but signage has gone up. The 1,475 square-foot location previously housed an Office Depot retail location that closed in 2016.

An investor checks stock prices at a securities brokerage in Fuyang, Anhui province. Lu Qijian / for China Daily