A bubble within a droplet within a bubble within a droplet in outer space

God I love this. It’s a water droplet experiment on the International Space Station in zero gravity:

International Space Station Expedition 30 astronaut Don Pettit injects air bubbles inside a sphere of water to demonstrate physics in space for ‘Science off the Sphere.’

They’re calling these “anti-bubbles” – i.e., air bubbles inside a bubble of water so that you’re left with an outer right of water. ¬†Hard to explain, awfully cool.

There’s a second video I’ve posted below showing a water droplet “orbiting” knitting needle in space. ¬†Also way cool.

First the anti-bubble:

Then the water droplet orbiting the needle:

CyberDisobedience on Substack | @aravosis | Facebook | Instagram | LinkedIn. John Aravosis is the Executive Editor of AMERICAblog, which he founded in 2004. He has a joint law degree (JD) and masters in Foreign Service from Georgetown; and has worked in the US Senate, World Bank, Children's Defense Fund, the United Nations Development Programme, and as a stringer for the Economist. He is a frequent TV pundit, having appeared on the O'Reilly Factor, Hardball, World News Tonight, Nightline, AM Joy & Reliable Sources, among others. John lives in Washington, DC. .

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9 Responses to “A bubble within a droplet within a bubble within a droplet in outer space”

  1. tballou says:

    Yet another very cool but ultimately totally useless bit of science fair stuff from the multi-billion dollar ISS boondoggle. This thing has been a complete waste of money from start to finish. In stark contrast to the highly successful robotic probes sent to Mars, Saturn, Jupiter, Mercury, etc. etc. etc.

  2. Drew2u says:

    I wouldn’t call it a hatred, I’m the last to hate. It’s more of an obesession.

  3. I get it :) Though I’m not condoning your obvious lifelong hatred of the obese. We’re liberals, damn it – stop being funny.

  4. I know, everyone over on the YouTube page kept making fun of his “knittin'”

  5. pappyvet says:

    very cool

  6. Drew2u says:

    Does time move more slowly for a person with more mass? (kidding! Also not kidding?)

  7. Drew2u says:

    “It’s not magic, it’s science!!”

  8. Tony Tyner says:

    Very cool. It’s so funny on the second one. I bet that guy is a thousand times smarter than me so whenever he says “Nitten” needle, I just crack up. Probably what his grandma called them.

  9. Maroc Reserv says:

    it’s like magic, very nice

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