View Single Post
Old 11-28-2017, 10:20 PM   #46 (permalink)
freebeard
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,834
Thanks: 8,188
Thanked 8,956 Times in 7,398 Posts
Assume bottomless compressed air from wind or tidal power. Presume a cascade of vortex tubes, attached by their hot sides and sized in a Pythagorean ratio of 2:8/5:4/3:1. A hot musical chord.
__________________
.
.
Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
  Reply With Quote