A Wicked Bad Itch

This video gave me one. Oh, the long hours I spent.

Fun With Fluid Dynamics

Even if you aren't on a fistful of hallucinogens, you should be able to enjoy the old-things-made-new Plasma Pong for at least twenty minutes.

At first, the ideas "Pong" and "Fluid Dynamics" might create a bit of cognitive dissonance, but after about 20 levels of this game you'll understand why they always belonged together and curse the laziness of humanity for not working out all the math and modeling decades earlier.

Download it for Mac or PC at plasmapong.com