They have lots of pixels, though, which means you should be able to go higher than nyquist with some clever work. With two time samples you shouldn't be able t

They have lots of pixels, though, which means you should be able to go higher than nyquist with some clever work. With two time samples you shouldn't be able to learn anything about the state of waves in a pool, but if each sample is a photograph with lots of pixels you can actually tell a lot.