I have a couple. One is bitcoin. No matter how it’s explained to me, I just don’t get it. I’ve never tried to “get” bitcoin, so that might be part of it. I also feel like it may be a good way to end up on a government watch list.
The other is quantum mechanics. Object in motion? Crush it. Relativity? Nifty. Quantum mechanics? So if I do this, oh wait, no. Let me try this then. Nope, doesn’t work. Okay, I think I’ve got it…nope, foiled again. Impossible.
Finally, how do I think? Well, this thing just popped into my head. How did that happen? Where did it come from? I literally have no control over my mind. Is my brain just a living machine that runs calculations in a split second? Do animals think? Where exactly in the brain is this occurring? Weird stuff!