You’re not creating more stick, but you’re making the stick longer. The pressure wave in the stick will travel at the speed of sound in the stick which will be faster than sound in air, but orders of magnitude slower than light.

Everything has some elasticity. Rigidity is an illusion . Things that feel rigid to us are rigid in human terms only.

They get away with it because they don’t have serious competition and the reason for that is that allowing anyone to upload videos for free, to be viewed by anyone else for free, is by itself not a viable business model.

If you don’t know much about investing then you shouldn’t short anything ever. People who know about investing will tell you that even when your logic is 100 percent sound, the market isn’t that predictable and in general the market can stay irrational longer than you can stay solvent.