With his own unique spin, James May asks and answers the oddball questions that we've all wondered about from 'What exactly is one second?' to 'Is invisibility possible?'
Curated by: BBC Earth Science (98 videos)
James rambles about barcodes and supermarkets before unleashing his perfect Jeremy Clarkson impression! How do barcodes work? http://youtu.be/VbHzx4nWqWY http://www.youtube.com/user/HeadsqueezeTV http://www.youtube.com/subscription_center?add_user=HeadsqueezeTV