[Whenifhow]

There are a number of resource links on this page as well as under the video on that page.

What Are the Strange Sounds Being Heard All Over the World?

http://theintelhub.com/2012/01/17/what-are-the-strange-sounds-being-heard-all-over-the-world-2/

What Are the Strange Sounds Being Heard All Over the World?

http://www.youtube.com/watch?v=AFwCJAaweFI&feature=player_embedded

Here are a few examples of the articles:
New Naval Directed Energy Center to Impact Future Weapons for Naval and Joint Forces
http://www.navsea.navy.mil/nswc/dahlgren/NEWS/directed_energy/directed_energy.aspx

E-Weapons: Directed Energy Warfare In The 21st Century
http://www.space.com/1934-weapons-directed-energy-warfare-21st-century.html

The Viability of Directed-Energy Weapons
http://www.heritage.org/research/reports/2006/04/the-viability-of-directed-en...

[Whenifhow]

Here is the full link for the heritage.org link

http://www.heritage.org/research/reports/2006/04/the-viability-of-directed-energy-weapons