who invented?

http://en.wikipedia.org/wiki/Common_Access_Card

he Common Access Card (CAC) is a United States Department of Defense (DoD) smartcard issued to standard identification for active duty military personnel, selected reserve personnel, civilian employees, and eligible contractor personnel.

The CAC is used as a general identification card as well as for authentication to enable access to DoD computers, networks, and certain DoD facilities. The CAC enables encrypting and crytographically signing email, facilitating the use of PKI authentication tools, and establishes an authoritative process for the use of identity credentials.

The history of air con and Air Conditioners In 1902, merely one 3 hundred and sixty 5 days after Willis Haviland service graduated from Cornell college with a Masters in Engineering, the 1st air (temperature and humidity) conditioning grew to become into in operation, making one Brooklyn printing plant proprietor greater suitable than happy. Fluctuations in warmth and humidity in his plant had led to the dimensions of the printing paper to maintain changing somewhat, adequate to confirm a misalignment of the coloured inks. the hot air con gadget created a competent environment and aligned 4-coloration printing grew to grow to be a danger. All attributable to the hot worker on the Buffalo Forge business enterprise, who started on a revenue of merely $10.00 each and every week.