Get the app
public
ios_share
James O'Brien's Mystery Hour
chevron_right
What is 20/20 vision? 11th July
Jul 11, 2013
46:02
forum
Ask episode
play_arrow
Play
view_agenda
Chapters
auto_awesome
Transcript
info_circle
Episode notes
Why are most batteries round, what is 20/20 vision, is the emergency siren copyrighted and why are there silent words in the English language?
