tedmich 8/4/2018 2:49 PM
sound research
I found a good reference for ultasound and infrasound compiled with real scientific references that some here may find interesting.

https://www.gov.uk/government/upload...h_security.pdf

FYI this is something the UK does for its citizens as well as providing free healthcare, while the US gov. is debating surrendering to Russia, jailing children, providing guns to teachers and having Jebus hold a giant hand over the US to help with global warming