How do foams behave in space? ⛓️ #shorts

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On Earth, the mixture of gas and liquid that makes up a foam quickly starts to change. Gravity pulls the liquid between the bubbles downwards, and small bubbles shrink while the larger ones tend to grow at the expense of others. As the liquid is drawn downwards due to gravity the bubbles lose their strength and rupture, collapsing back to a liquid state.

This is annoying for researchers as it limits the time they can study foams and interferes with their experiments. But in space foams are more stable as the liquid does not drain to the bottom in weightlessness.

📹 @EuropeanSpaceAgency
📸 ESA – European Space Agency

#ESA #Foam #Space

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10 Comments

  1. I'm not an expert, but maybe when you mean "in the space" you mean "in zero gravity"?
    Space (for me) is the absence of atmosphere. I was expeting you to say that in the space the foams bursts completely due to the lack of pressure.
    The video was cool anyway, i never thought of metal foams. It would be so good to manufacture titanium foam prosthetic bones in zero gravity!😮

  2. What is micro gravity? The minimal pull of earth in orbit I'm guessing? …ok NASA has a great article on it online. I can't completely wrap my head around the concept of free fall around the earth that makes it seem like people are floating in space. Maybe y'all can do a short on that?

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