Dyson no blade fan?
Nice explanation, indeed. Bernoulli's Principle is the basis, particularly the air foil application, and it all makes good sense. Except the price. Not even Costco can bring it down to possible consideration. And the explanation does not preclude the presence of emotionally charged hamsters... 
John Landolfi wrote:
LOL Hamster and hamster feed sold separately.
I am tempted to see if I can make something similar though. Been banging around in my head since I saw this thread yesterday.
I kina wish they showed what a ceiling mounted version looks like, it might be worth the price if you could get some photos of peoples’ faces when they first look up at it.
jim
jmk-nbsc
Like your camera in a prior post?chasrich wrote: I think the technical term is a suck inverter...
Shoot, learn and share. It will make you a better photographer.
fineartamerica.com/profiles/john-g-schickler.html?tab=artwork
Sure, practice makes perfect but, unless you learn from your mistakes, you are only perfecting your ability to fail.
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