If you're in a cave, are you considered to be inside or outside? It's kind of hard to say, isn't it? I mean, you're in a shelter, I guess, but it's still probably pretty cold and wet. That seems more outside. What if you're standing near the entrance to the cave?* Does that count as being both somehow? Seems like it should. Okay, let's say you're inside of a tunnel, and you're directly in the middle. Or how about if you're underground in some sort of cavern? Are you inside or outside? You have to be one or the other, because I don't think it can be neither. Or both, actually.
Okay, if you're in a car, and it's moving, do you consider yourself to be moving? Or is it just the car? And if you're walking down the aisle of a train, the opposite direction from which the train is going, which direction are you moving? I guess it depends on if you're moving faster than the train right? But then that goes back to the previous question, because it depends on whether or not you count the train moving as you moving.
If you're in an elevator going down, and you jump, are you considered to be in floating for a second? If you had a really really fast elevator that went down at the same speed as you were falling, would you be flying? And when you hit the ground, would you die? I think you would. Physics doesn't make sense to me.**
*This also applies to standing in the doorway of a building. Where exactly are you?
**Other terrible idea: Deploying a parachute moments before hitting the ground.
Reading this makes my head numb.
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