A computer science student saw this, and asked if it was a mainframe computer. I was almost going to burst out laughing, but managed to hold myself together. I’m sure most of you know it is not a computer at all. This 1.7m high contraption is an isolation transformer. At least you should be able to tell it is some kind of a transformer, right? I just thought to myself that, my goodness, our students don’t even know how a…