How do water behave with no gravity - video

AI Thread Summary
The discussion centers around a captivating video featuring a "Sphere of Water," which participants find intriguing and fun. The demonstration is praised for its visual appeal and educational value, particularly in relation to spherical harmonics and Bessel functions. Additionally, a 2D standing wave demonstration is shared, prompting debate about its classification as a true standing wave. Some participants argue that the demonstration effectively illustrates the concept by mapping nodes through vibrations, while others express skepticism about this interpretation. The conversation also touches on astronaut Don Pettit and his connection to the space station, with references to additional resources for further exploration of the topic.
fargoth
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found this, and thought you guys will enjoy it too =)
so here you go:
The movie
 
Physics news on Phys.org
Cool!
 
Wow, I want a Sphere of Water to play with!
 
hypatia said:
Wow, I want a Sphere of Water to play with!
I'd like a pair of them. Maybe it's cause I'm a guy.
 
This is so cool, the Effervescent demo is great!
 
zoobyshoe said:
I'd like a pair of them. Maybe it's cause I'm a guy.

They're obviously real...
 
A great way to study the spherical harmonics of Bessel functions, or the evolution of planetoids.
 
glad you like it, i thought you guy would appreciate it.
i also found a 2D standing wave demonstration:
The movie

and have a look at this site:
over here
 
That is way cool.

Don Pettit is one of the astronauts trapped on the space station after the last Shuttle disaster. I worked with his brother until he took early retirement a few years ago.
 
  • #10
The whole set can be found http://spaceflight.nasa.gov/station/crew/exp6/spacechronicles_videos.html. I didn't see them on youtube.
 
Last edited:
  • #11
fargoth said:
glad you like it, i thought you guy would appreciate it.
i also found a 2D standing wave demonstration:
The movie

and have a look at this site:
over here

i don't really agree that that is demonstration of a standing wave
 
  • #12
ice109 said:
i don't really agree that that is demonstration of a standing wave

sure it is, the rice is vibrated off the parts with amplitude to the nodes, and that's why you get these shapes... it's mapping the nodes.
 

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