what is a parobalic sound collecting dish how does it work and collect wave

Subject: what is a parobalic sound collecting dish how does it work and collect wave

Date: Sun Feb 14 12:15:28 1999
Posted by two-pac shakur
Grade level: 7-9
School: our lady of the sacred heart
City: cincinnati State/Province: ohio
Country: russia
Area of science: Physics
ID: 919016128.Ph

Message:


i am intrestead in doind a parobalic sound collecting dish for 
my science fair and need info on the dish like how it works how 
sound waves travel through air where the best places for sound 
waves are and any other info that might help.  thanks!!!

Re: what is a parobalic sound collecting dish how does it work and collect wave

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