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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 employee of HBIS Group Co works on the company's bulldozer production line in Xuanhua, Hebei province. Chen Xiaodong / For China Daily
An aerial wide-angle view of Dubai, United Arab Emirates at night on March 18, 2014. [Photo/IC]
An American teenager criticized on social media for wearing a traditional Chinese dress to her high school prom defended her decision and has won support from netizens in China.
An archetype of a private garden with narrow alleys in east China, the space was designed in such a way that its features are gradually revealed as people made their way through the compound.
