Snapzu Places
Sunday 28 June 2015
The secret codes of British banknotes
How often have you looked at the cash in your wallet? Look closer: it’s riddled with hidden patterns designed to deter counterfeiters. Chris Baraniuk investigates.
Read more:
http://ift.tt/1ICVWJ5
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment