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An additional 3 million students are enrolled in schools that employ police, but not nurses, while 6 million students attend schools with police present, but not a psychologist. Ten million students attend schools with an officer on campus, but lack social workers, the ACLU said.
An autonomous sense-and-avoid navigation system keeps the drone?from running into other objects on the way to its destination, at an altitude of up to 400 feet.?Researchers at the Massachusetts Institute of Technology showed off a sense-and-avoid system last month, but that one was designed to handle obstacles at a mere 30 mph?– half the speed that’s built into Amazon’s specs.
An artificial hand that can mimic gestures was among 130 innovative projects presented in Shanghai during the 2019 National Mass Innovation and Entrepreneurship Week from June 13 to 19.
An engineer from China Communications Construction Co Ltd talks with a Kenyan colleague at a port construction site in Kenya. [Photo/Xinhua]
An ADS is a US dollar-denominated equity share of a foreign-based company for purchase on a US stock exchange.
