James rambles about barcodes and supermarkets before unleashing his perfect Jeremy Clarkson impression! How do barcodes work?\r<br>\r<br>What do all those black and white stripes actually mean? James May investigates the mystery of the barcode. James does his Jeremy Clarkson impression .\r<br>\r<br>\r<br>\r<br>With his own unique spin, James May asks and answers the oddball questions that weve all wondered about from What exactly is one second? to Is invisibility .\r<br>\r<br>Despite being right handed James explains that lefties are more angry (in theory) and the need for left handed military guns. Sometimes being normal can be a .
