It’s not so much that Nikola Tesla discovered AC as much as he figured out how to make use of it. I believe generators give alternating current by default as they spin around, but they’d use commutators to convert it to DC.

Source: saw one of those Discovery Channel shows.

Either way, Tesla was a brilliant engineer, but it shouldn’t take much to understand that it takes energy (that has to come from somewhere) to produce electricity. That money has to come from somewhere, and I wouldn’t want to see a gigantic factory or mansion or whatever paying the same amount (even if $0) compared to some grandmother in Vermont keeping the lights on.

It could use some UI/UX work though. For example, if I want to go to a comment I replied to from my profile, rif had a handy button to show my comment with context. On Jerboa I need to go to my comment with a couple unintuitive taps, then the context of that comment with another button that doesn’t really feel like it’s in the right place.

I’ll give it time to develop though

Right, but do you ever turn num lock off? I think the OP was trying to say it should just be stuck on because why would you use those arrow, home/end/pg up/etc buttons that kick in if num lock is off?