Two different angles look at the placement of the dark spot near the tip of the fingers of his left hand. The tracks and foot prints missing on the color photo are out of frame

Also do have any idea if it has to be a glass tube , reason I ask is I could 3d print the tube but might have a harder time finding a tube like that made of glass. Thanks

Well I know of coral castle , and I read his book on magnetism as a kid but was to young to make sense of it . Maybe I should go back now that it's been probably 30 years and take another look. Or you could also just blow my mind too. Edit ( ok I just noticed the link , have you tried it? I cracked water as a kid but with DC so this would be pretty damn cool. Got anymore cool stuff to share?

So wild guess it reminds me of a tesla valve. It also reminds me of a water logic gate. You got me interested, please explain. Thanks https://youtu.be/IxXaizglscw (water logic gate) https://youtube.com/shorts/ZQBjaqo-viE?feature=share (tesla valve)

Looks like someone has been reading Edward Leedskalnin!