Waves, Bubbles and Reactions in a Free Sphere of Water

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Күн бұрын

www.FreeScience...
First waves in a large free sphere of water in weightlessness are examined.
A large free sphere of water 130mm in diameter. A puff of air is put radially directed from side and we look at the resulting waves.
There is combination of surface waves and body waves that go through this spere.
Then water droplets in a bubble in a sphere are examined.
A sphere of water in weightlessness, 75mm in diameter with an air bubble of 35mm inside.
Water droplets are injected into the bubble and the resulting collisions are examined.
Most of the collisions are elastic. But once in a while a collsion will result in a mass transfer with the interface.
Finally effervescent antacid tabled in a water sphere is examined.
A sphere of water, 15mm in diameter, with an effervescent antacid tabled.
Bubbles form rapidly from chemical reaction.
This experiment was done at International Space Station by Don Pettit from NASA.
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Пікірлер: 33

@rceretta 16 жыл бұрын

The aspirin effect was really really cool!!!

@durian789 15 жыл бұрын

Deep in value but simple everyday events. Very well explained. Upper University stuff.

@EnerieEffex 15 жыл бұрын

My thoughts exactly! Coloured water and possibly if the alka seltzer tablet was coloured also. That would look immense!

@bigdog4574 9 жыл бұрын

Would love to see a water experiment outside of space station.... Will some evaporate and the rest freeze?

@eldenc 16 жыл бұрын

damn, we need a high speed video of a guy punching a giant ball of water in space. that would be awesome.

@Saturnome 17 жыл бұрын

I care. Why do scientific stuff should always go cure sickness immediatly? Experiments pave the way to a better understanding of the world and lead to amazing discoveries that does help life. Science is mostly abstract.

@adood101 16 жыл бұрын

This... Is the birth of an under water game i like to call, Blitzball!

@miabla5 16 жыл бұрын

i wish that you used some color for the water (a tint of some sort...would that have some effect on the whole experiment, i wonder?) inside the air bubble...my eyes are terrible and i can't see them. sounds really cool though. suffice it to say, i don't have a background in science (humanities major) but it's still fascinating nonetheless.

@mrcrushin 17 жыл бұрын

Science is awesome!

@dakdakdak 15 жыл бұрын

most classic nerd voice ever. i loveu nassa

@flamencoprof 8 жыл бұрын

I see a parallel between the seltzer bubbles and human societies, it all ends with two dominants who compete. one winner, the empire with little bubbles (provinces) on the outer. Maybe there is common maths? Thinking of Zipf's law here.

@Bobaliath 16 жыл бұрын

its not with surface tension, its in the international space station

@Exarian 17 жыл бұрын

its because hes in a weightless environment, he has to force the air out of his lungs differently in such an environment...

@Burnz2much 13 жыл бұрын

@FunnyMcFunnerton theres no force on the lungs, everyone sounds different in 0g

@aaa2cool 15 жыл бұрын

no such thing as zero gravity unless you go space this man is probley puting a strong current through it

@FunnyMcFunnerton 14 жыл бұрын

if i could sacrafice my voice to have a lisp to be able to go into space i would do it

@aaa2cool 15 жыл бұрын

so how the hell do they have a free standing water bubble with out it falling is it a vacum

@roidroid 17 жыл бұрын

the common cold resides in water

@christhrasher6275 16 жыл бұрын

are they doing this in space?

@minoshin 15 жыл бұрын

WOW, Zero gravity. Floating water. O.O

@moebear 17 жыл бұрын

He sounds like the nerdy turtle from Rocko's Modern Life.

@arthur78 17 жыл бұрын

Wow

@zachpine8125 7 жыл бұрын

Adhesion and cohesion of water when "weightless" is also central to making #sandglobes: www.sandglobes.org/ . See the "how to" video there for "weightless" sand/water moments.