Most people on HN work in software, but I work in the intersection of software and hardware. The software for me is simulation software, but it could alternatively be real-time software for a product. The relevant difference between software alone and software+hardware is that LLMs can't do an experiment in the real world. A LLM might tell you to do something with hardware or write a simulator, but the results of both are really just predictions that need to be checked in the real world.

I'm a theory and simulation guy, but in retrospect I should have done far more experiments when I was in training. I guess it's never too late to start...