I'm a big fan of this because (a) it gives you a photo with a time dimension! and (b) it happens to be a similar technique to what some satellites use (a single row of pixels that sweeps across the sky) so it's cool to gain an intuition into how that works.
Comments
Conveniently available as a really cool iPhone app:
http://funnerlabs.com/apps/slitscan
I'm a big fan of this because (a) it gives you a photo with a time dimension! and (b) it happens to be a similar technique to what some satellites use (a single row of pixels that sweeps across the sky) so it's cool to gain an intuition into how that works.