Replies

To: Pearls Before Swine

The physics of sonar are not classified.

86 posted on 12/17/2016 7:13:12 AM PST by central_va (I won't be reconstructed and I do not give a damn.)

To: central_va

I understand. Clearly the stuff you sent was public domain and is well known.

90 posted on 12/17/2016 7:24:36 AM PST by Pearls Before Swine

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