HFU HF Underground
General Category => Huh? => Topic started by: Antennae on June 27, 2014, 0316 UTC
-
Here's a video of a pyramid that turns hand claps into bird chirps:
http://www.youtube.com/watch?v=mcBpTq44WAU
Here's an article of a Peruvian structure that has acoustic properties that filter out sounds that are higher pitched than their conch shell horn:
http://www.sennheiser-annualreport.com/home/2012/index.php?page=peru&lang=en
Cool stuff.