Very Cool Video!

[Captain Ahab]

https://www.youtube.com/watch?v=VIs00QjiJZQ

 

[Ericb]

Wow, took me a minute to figure it out.

 

[svnmag]

I feel disturbed and a bit panicky.

 

[TheWalleye]

This video has messed with my head... I'm not even sure what the hell is going on....

 

[wildeyes]

so svnmag what makes that different from any other day.

 

[huntinforfish]

Very cool. Looks like fun.

 

[johnr]

Neat

 

[Up Y'oars]

Yes, at first my mind was thinking they were using mercury! Ahhhhhh, upside down with weights. Oxygen goes 'up' towards the hole.