Lots More Information
Related HowStuffWorks Articles
- How Hearing Works
- How Speakers Work
- How Riot Control Works
- How Surround Sound Works
- How Guitars Work
- How Electric Guitars Work
- What's a decibel, and what is the loudest sound I can hear before it hurts my ears?
More Great Links
- American Technology Corporation
- Acoustics.org: Acoustical FAQs & Tutorials
- The Soundry: Physics of Sound
- University of Georgia Hyperphysics
- Non-Lethal Weapons
Sources
- American Technology Corporation Annual Report.
http://www.sec.gov/Archives/edgar/data/924383/000101968705003508/atc_10k-093005.htm - American Technology Corporation press releases
http://www.atcsd.com/pr.html - American Technology Corporation: LRAD brochure.
http://www.atcsd.com/pdf/LRAD_SellSht-0728-2.pdf - American Technology Corporation: LRAD.
http://www.atcsd.com/lrad.html - Berg, Richard E. "The Physics of Sound." Prentice-Hall, Inc. 1982.
- Blenford, Adam. "Cruise Lines Turn to Sonic Weapon." BBC News, November 8, 2005.
http://news.bbc.co.uk/2/hi/africa/4418748.stm - Jewell, Mark. "Sound-Beam Inventor Takes the Prize." MSNBC. April 17, 2005.
http://msnbc.msn.com/id/7536267/ - "Long Range Acoustic Device - LRAD." Defense Update. Issue 1, 2005.
http://www.defense-update.com/products/l/LRAD.htm - "Master Blaster: A New Noisemaker." Newsweek. July 12, 2005.
http://www.msnbc.msn.com/id/5359306/site/newsweek/ - Materials by Design: Piezoelectric Materials.
http://www.mse.cornell.edu/courses/engri111/piezo.htm - NDT Resource Center: Piezoelectric Transducers.
http://www.ndt-ed.org/EducationResources/CommunityCollege/Ultrasonics/EquipmentTrans/piezotransducers.htm - Pain, John. "Ship Blasted Troops with Sonic Weapon." BrietBart.com, AP Release, November 7, 2005.
http://www.breitbart.com/news/2005/11/07/D8DNUV2G3.html - Ravilious, Kate. "The Secrets of Sonic Weapons." The Guardian. November 8, 2005.
http://www.guardian.co.uk/science/story/0,3605,1636903,00.html - "Troops Get High-Tech Noisemaker." CNN. March 3, 2004.
http://www.cnn.com/2004/TECH/ptech/03/03/sonic.weapon.ap/ - U.S. Patent Application 20050286346. "High intensity directional electroacoustic sound generating system for communications targeting."
- "U.S. Troops have Sound Weapon." Washington Times, 2004.
http://washingtontimes.com/national/20040307-120634-6220r.htm

