tags: alka seltzer, microgravity, space science, NASA, streaming video
Alka-Seltzer is added to spherical water drop in microgravity onboard the International Space Station on March 22, 2003. Expedition Six NASA ISS Science Officer Don Pettit performs a series of microgravity experiments with water spheres and effervescent antacid tablets. Pettit inserts a tablet into a 50-millimeter sphere and observes the fizzy results. [4:43]
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