A new book reveals that a member of MI6, the British spy agency, discovered during WWI that semen makes excellent invisible ink and often deployed it in the field. The name of the man who discovered this? Mansfield Cumming.
A new book reveals that a member of MI6, the British spy agency, discovered during WWI that semen makes excellent invisible ink and often deployed it in the field. The name of the man who discovered this? Mansfield Cumming.
Ollie
Wednesday, September 22, 2010 at 8:35 AMI know the last sentence is intended to be a pun, but has anyone checked to see if that’s where the term actually came from? (heh I pun your pun) =P
Kalem
Wednesday, September 22, 2010 at 8:38 AMI remember finding this out on QI. It must be a joyful discovery if you run out of ink halfway through writing.
Matt L
Thursday, September 23, 2010 at 9:30 AMMy bed must look like MI6 headquaters under a blacklight lol