The film explores the nature of sound waves, demonstrating how sound travels as a wave through air, which acts as a medium. It illustrates sound generation using a loudspeaker, examines oscillation, ...

Although sound travels quite fast, it is still possible to measure its speed in air. To do this, you need to measure the time it takes a sound to travel a measured distance. To reduce errors ...

Sharon Ann Holgate reviews Pistols in St Paul’s: Science, Music and Architecture in the Twentieth Century by Fiona Smyth Echo ... of sound in such a building was by ear. The book then reveals how this ...

is sound with a frequency greater than 20,000 Hz ... A signal is sent out from a transmitter and the reflected signal (the echo) is then detected back on the ship. If the time and speed are ...