ULTRASONIC SONAR DETECTS HIDDEN OBJECTS

ULTRASONIC SONAR DETECTS HIDDEN OBJECTS

While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect objects, the same principle has been used with other propagating waves, most often sound waves. While a well-known use of this is sonar, ultrasonic sensors […]

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