View Single Post
Old 12-02-2013, 05:35 PM   #3 (permalink)
freebeard
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,710
Thanks: 8,150
Thanked 8,928 Times in 7,371 Posts
"it's all blue smoke and mirrors"

Different information becomes available when you employ curtains of air bubbles in moving water.



They can be used experimentally





That last one might be polarized light.
  Reply With Quote