Dennis Hong is a UCLA professor of engineering and the director of the university's Robotics and Mechanisms Laboratory.

丹尼斯·洪是加州大学洛杉矶分校的工程学教授，也是该大学机器人与机械实验室的主任。

Although it's never been tested, the method is controversial, as Charmaine Cozier discussed with Harvard University professor of engineering, David Keith, for BBC World Service's, The Inquiry.

尽管这种方法从未被测试过，但它仍然存在争议，正如夏尔曼·卡泽鄂与哈佛大学工程学教授戴维·基思在BBC世界服务栏目的《调查》节目中所讨论的那样。