Alka Seltzer, oil, and water (nonfiction)

Animated gif of the Alka Seltzer, oil, and water phenomenon.

The mixture of Alka Seltzer, oil, and water creates a colorful bubbly phenomenon, reminiscent of Lava Lamps.

Origin

Via Boing Boing:

• When you put Alka Seltzer, oil and water in a glass, here's what happens

Fiction cross-reference

• Gnomon algorithm
• Gnomon Chronicles