Evaporative cooling demonstration.
<video controls autoplay loop> <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/evaporative_cooling_demo.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...458#post200680
https://www.homemadetools.net/forum/...906#post171516
https://www.homemadetools.net/forum/...656#post189987
https://www.homemadetools.net/forum/...696#post136674
https://www.homemadetools.net/forum/...056#post187553
