Trumpets, Drums And Fifes Music & The British Navy Within The Long Nineteenth Century
So that is the method of hearing sound, however the amazing thing about the ear, is that it’s such a delicate detector, that it may possibly measure sound power over 10 to 12 powers of 10 in energy, which is sort of amazing. So if you concentrate on this, 10 or 12 powers of 10 is actually a factor of a trillion. So you’ll be able to hear something very, very, very quiet and one thing very, very loud with…