I'm surprised how many people on HN has a problem with this ide...Engineers are trained to be pessimistic opportunists (for good reasons IMHO). The thought proc

I'm surprised how many people on HN has a problem with this ide...Engineers are trained to be pessimistic opportunists (for good reasons IMHO). The thought process is always This doesn't work > ask myself why it doesn't > prove my wrong and show me how it works. There are many foundational rules and laws that are easy to disprove especially when it comes to something mechanical. That's one of the beautiful thing of mechanical and manufacturing engineering. Knowledge from the past tend to be relevant for a good reason.