And the first cash machine used cheques with radioactive Carbon 14 rather than plastic cards! http://news.bbc.co.uk/1/hi/business/6230194.stm http://news.bbc.c

And the first cash machine used cheques with radioactive Carbon 14 rather than plastic cards! http://news.bbc.co.uk/1/hi/business/6230194.stm http://news.bbc.co.uk/1/hi/business/6230194.stm