What causes sound waves and how fast do they travel through the air?
Gerd Sommerhoff uses a yacht race starting-gun to measure the speed of sound.
for Schools
First shown in October 1961
(to 10.25)
Discover 11,128,835 listings and 273,343 playable programmes from the BBC
What causes sound waves and how fast do they travel through the air?
Gerd Sommerhoff uses a yacht race starting-gun to measure the speed of sound.
for Schools
First shown in October 1961
(to 10.25)