China’s Unitree Robotics – among the world's biggest producers of humanoid and quadruped robots – based designs for its most successful robot dogs on innovations funded by the U.S. military, according to three top robotics researchers and a former U.S. defense technology official. The episode underscores broader problems with the United States’ ability to compete with China’s state-directed manufacturing sector in high-tech strategic industries, including those critical to national security. - REUTERS