[Rock Skip Robot – The SCIENCE of PERFECT ROCK SKIPPING] (Viewer #1,789,932)
It held my interest all the way through, but you can jump to 5:45 if you just want to learn the best way to skip rocks manually.
[Rock Skip Robot – The SCIENCE of PERFECT ROCK SKIPPING] (Viewer #1,789,932)
It held my interest all the way through, but you can jump to 5:45 if you just want to learn the best way to skip rocks manually.