Waves in a Large Free Sphere of Water
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During his free time on the International Space Station, science officer Don Pettit conducted microgravity experiments with water in a series he called Saturday Morning Science.
Nov 11, 2006 4:42 AM
Re: Waves in a Large Free Sphere of Water
LOL, you are right. He sounds like Odd Todd especially during the antacid segment.
That aside, those were some cool experiments.
That aside, those were some cool experiments.
By: Sawdust
Re: Waves in a Large Free Sphere of Water
Ok now lets get him to put Mentos into a sphere of Diet Coke.
Clone Carl Sagan already!!!!
He is no Carl Sagan..... Where is he when you need him? -- Oh, yeah.... The dead thing. Sorry.... :D
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By: HeavyDuty
Re: Clone Carl Sagan already!!!!
Ahh, but Nick Sagan (his son) is still around, and is a fun author. He's got a trillogy out that's a good read. Starts with a book called Idylwild.
That's not to say I don't think of Carl billyoons and billyoons of times a year...
That's not to say I don't think of Carl billyoons and billyoons of times a year...
By: catgrin
Re: Waves in a Large Free Sphere of Water
id like to see a burning sphere of [insert flammable liquid]... what would the flames look like?
By: gypo
Rennoch
they'd put themselves out. ZG environments don't push gasses away from the flames and pull in b/c there "down, or center mass, is the sphere of fluid. it'd burn, then likely form an atmosphere of smoke :)
By: Rennoch
Re: Rennoch
If it's a stable sphere that's true, but give it a good spin and you might get some flames curling around the surface as the fluid evaporates. Lots of flammable liquids evaporate quickly, and so even a small spin might be enough to get a flame started.
Just starting a fire on one side - even if it quickly spread over the sphere - would assist in propulsion. Could be hard to control it tho', not the flames, the physical location of the sphere. Not a good idea inside a closed, flammable environment.
Or I could just be remembering all this stuff incorrectly. That is most likely. Now if I could just remember where I left my keys...
Just starting a fire on one side - even if it quickly spread over the sphere - would assist in propulsion. Could be hard to control it tho', not the flames, the physical location of the sphere. Not a good idea inside a closed, flammable environment.
Or I could just be remembering all this stuff incorrectly. That is most likely. Now if I could just remember where I left my keys...
By: catgrin
Re: Zero Gravity Water Sphere Experiments
Wow you can really see Newton's third law here at work during that first test. That second test was pretty cool... water within air within water bubble!
By: runarounddead
Re: Waves in a Large Free Sphere of Water
Two large bubbles that quickly eat all the smaller bubbles until one bubble dominates...sounds like a metaphor for the Cold War.
By: Geist
