[…] Tinkering is a deceptively high-value activity. You don’t usually allocate much time to tinkering because the obvious value of tinkering is low. You don’t start tinkering with a goal in mind; you start with pure curiosity. I’ve heard about this thing, but I’ve never used it. How does this thing work? I’ve always wanted to know about more about X. Downtime is an easy time to tinker. Nothing is pressing, so these acts of mental wandering are acceptable. …