[system]

If the period of a pendulum is dictated by its length, not the weight of the bob, why do they put pennies on Big Ben's?
Asked by @NickDay2

                                       
Go to the show page.
                                       
[chapter podcast=3090 track=11.05.08/Naked_Scientists_Show_11.05.08_8460.mp3]  or Listen to the Answer[/chapter] or [download as MP3]

[@NickDay2]

@NakedScientists Many thanks Dave and Chris, great answer (re. Ben, Bob and Penny).

was tweeted by @NickDay2