Watch this cannon ball float

[Mr Smiley]

Text

 

[Leros]

That reminds me off the video where the guy floats a paper boat in midair, but there is actually some heavy clear gas there.

 

[dighn]

you know it's true but it's still amusing to actually see it hhehehehehehehehehhehehehhehehe
oh and the comments says the column can be short and that sounds right for barometer

the guy doesn't appear to be worried about the vapour