Acoustic Fire Extinguisher

[Frank Koenig]

http://www.cnn.com/2015/03/27/us/sound-fire-extinguisher/index.html

 

[Bennett Prescott]

Re: Acoustic Fire Extinguisher

 

[Max Warasila]

Re: Acoustic Fire Extinguisher

Oh, hey, I know these guys! I'll have to pass on my regards in person!