03/16/2009 - 03/21/2009 'Duplicity' and a Duplicate
No-one is sure how the sunglasses work, but they've got their best scientists on it.

Vin Diesel arrives for the British premiere of Fast and Furious 4 at Vue West End cinema in Leicester Square on March 19 in London. (Photo by Tim Whitby/Getty Images)
COMMENTS (0)
POST A COMMENT
All comments on Express' blogs will be screened for appropriateness, spam and topic relevance, so there is likely to be a delay before your comment is displayed. Thanks for your patience.
Remember personal info?
(you may use HTML tags for style)