submarines and ultrasound

Ultrasound can be modulated to carry an audio signal (like radio signals are modulated). this is often used to carry messages underwater, in underwater diving.

History of sonar by morgan perry | historysci101's blog

By michael vogel. among the myriad of modern diagnostic tools, few can claim the certainty, consistency, and intimacy of ultrasound. in contrast to other dominant. Ultrasound can be modulated to carry an audio signal (like radio signals are modulated). this is often used to carry messages underwater, in underwater diving. Thyroid ultrasound uses sound waves to produce pictures of the thyroid gland within the neck. it does not use ionizing radiation and is commonly used to evaluate.

Explain working of sonar. (theory) in simple language.

Thyroid ultrasound uses sound waves to produce pictures of the thyroid gland within the neck. it does not use ionizing radiation and is commonly used to evaluate.

How the hidden contents of the womb became visible | new scientist

Ultrasound can be used in industry for quality control procedures to check manufactured objects, sonar is used on ships and submarines to detect fish or the sea bed.. A simple explanation of ultrasound (ultrasonics) and its uses in medicine, science, and other fields.. What is ultrasound? an iceberg is 3,000 meters from a submarine. the submarine emits ultrasound. how long will it take for the submarine to detect the iceberg?.