If you're really interested in how things work there's no easier way to engage with people. Just talk to them about what they do (not necessarily for a living).

If you're really interested in how things work there's no easier way to engage with people. Just talk to them about what they do (not necessarily for a living). Most people are lonely, even the married ones with 3 children, and are just dying to share their thoughts and passions. You have to be genuinely curious though, if you just want to prove how you know everything already you will get a negative reaction. The results will guide you.