Recent content by Paul Doherty

Thanks for the links the Princeton book does a great job of describing acoustical impedance. Paul Doherty

Hi Steven I repeated your experiment and got similar results. I used audacity to measure the spectrum of the straw oboe and saw all the harmonics as expected from a tube open at both ends , not the odd harmonics predicted by the physics of oboes. Then I looked at the fundamental frequency and...

I am Paul Doherty a physics professor and senior staff scientist at the Exploratorium in San Francisco.