Computers & Mobile Science

From a series of videotaped experiments by astronaut Don Pettit performed aboard the ISS in 2003.

6 thoughts on “Water + Alka Seltzer in zero gravity

  1. That is nifty.


    I would have never guessed that the large bubble would ‘pop’ to the atmosphere so cleanly. Somehow I thought the whole thing would contort in some way in reaction.

Comments are closed.


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

View more articles by Sean Michael Ragan