| Hmm I thought this was already established fact but here’s some new confirmation – [Slashdot |
Haunted Houses Explained: Infrasound](http://slashdot.org/article.pl?sid=03/09/08/1042217 “Slashdot |
Haunted Houses Explained: Infrasound”) – I’m not sure how exactly to create infrasound in my Halloween setup – maybe just a subwoofer with a signal generator emitting a <15Hz signal? |
