PLTW Egineering Design and Development

[EricH]

Originally Posted by IKE

When you say "their must be a more efficient way", are you talking energy efficient, less human effort, or more time efficient?

I would think that using the properties of the debris floating could lead to some sort of waters edge cross between a roomba and a pool cleaning robot.

Also consider crossing a self-cleaning litter box with that device, if sand is involved.