I was standing on the train talking to a student in my Electromagnetics class about a project I’m working on. He had come up with a really brilliant observation. His station came all to quickly and he hopped off while I stayed on. A moment later, the guy standing next to me on the train said, “That was a really interesting discussion you were having. Are you chemists?”
I responded with a glint of appreciation and a smile, “No, we’re artists.”
I revel that during the ride our conversation ranged from the nature of an electronvolt, linear accelerators, and power transformers to the hidden physics and volumetric-related difficulties of accelerating a stream of projectiles such that virtually no gap existed between them in flight.