Water + Alka Seltzer in zero gravity

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. Nathan Resick says:

    That is the weirdest thing I have seen in awhile…

  2. volkemon says:

    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.

  3. volkemon says:

    Almost forgot..

    @SMR – Nice touch having the video start at 1:05.

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 makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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