Zhejiang University has introduced a four-legged robot that can walk and climb stairs. “Shadow” can lift objects weighing 20 kilograms, is one meter long, 60 centimeters high and weighs 70 kilograms. The robot is fully electric, has a charged operating time of about two hours and can run at a top speed of just over six kilometers per hour. In the future, it will be used for security checks, logistics, education and research.  

JST Japan China news, December 5, 2018