“I should have pointed out that every time you touch something, if your security systems rely on biometric ID, then you’re essentially leaving your pin number on a post-it note.” Bad Science
Lot’s of nice home science projects to do with the children. 
One Comment
Research carried out by the university found criminals are ’shoulder surfing’ customers as they type in their PINs at the checkout and then stealing the cards, or using a stolen card by pretending to be a confused customer who has forgotten their PIN number so they are allowed to sign the receipt instead.