It's a small world:
http://www.spacedog.biz/infrasonic/richardlordbiog.htm
http://www.rel.net/richard.htm
Dr. Lord's work on "Soundless Music" looks interesting:
http://www.npl.co.uk/acoustics/consultancy/airborne/infrasound.html
http://www.spacedog.biz/infrasonic/richardlordbiog.htm
http://www.rel.net/richard.htm
Dr. Lord's work on "Soundless Music" looks interesting:
http://www.npl.co.uk/acoustics/consultancy/airborne/infrasound.html