translation.en: It's reality. As a young engineering student, I remember going to a demonstration where they basically, the demonstrator did something quite intriguing.
translation.zh: 现实就是如此。我年轻的时候曾学过工程学，我记得有次 去参观一个作品展示会 基本上， 作者使用了一些非常耐人寻味的手法。