Quite often I have no idea what they are talking about. I have to ask for context on a daily (sometimes hourly) basis.
Over the years we have come to an understanding on boundaries for what they can take apart and how risky of experiments they might perform.
Among the great benefits of technical minds? It's easy to convince them to assemble new office chairs and appliances. Heck, this afternoon firstborn watched a YouTube tutorial, then replaced a teeny tiny component in my sister's phone.