Sonar: Table of Contents

    In a Nutshell
    The Science and Math it Relies On
    How it Got Here
    Scientist Stats
    Logarithms and Exponentials
    Decibels
    Mechanical Waves
    Transverse, Longitudinal, and Surface Waves
    Acoustics and the Acoustical Wave Equation
    The Doppler Effect
    Key Parts
    Sonar Basics
    Active Sonar
    Passive Sonar
    Limits of Sonar
    Biological Uses of Sonar
    The Future of Sonar
    How Does it Work?
    Best of the Web
    Glossary

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