Things like electricity, having electricity delivered to your home, so you had to have ways to generate electricity and to carry it from point to point and it was engineers that did that.

比如电,为了让电传输到千家万户,人们必须想办法发电,并将电从一个地方输送到另一个地方,是工程师做到了这些

耶鲁公开课 - 生物医学工程探索课程节选