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The earliest form of notebook was the wax tablet, which was used as a reusable and portable writing surface in classical antiquity and throughout the Middle Ages. [1]As paper became more readily available in European countries from the 11th century onwards, wax tablets gradually fell out of use, although they remained relatively common in England, which did not possess a commercially ...
Arthur Fry with a Post-it note on his forehead. In 1968, Spencer Silver, a scientist at 3M in the United States, attempted to develop a super-strong adhesive.Instead, he accidentally created a "low-tack", reusable, pressure-sensitive adhesive for the aerospace industry.
Alan Amron (born November 20, 1948) is an American inventor who holds 40 [1] [2] United States patents. Amron invented the Photo Wallet and Battery operated water guns.. He has claimed to be the inventor of the Post-it note Sticky notes, for which he sued 3M in 1997 and agreed to a confidential settlement.
Thus one ORION sheet could quickly encode or decode a message up to 50 characters long. Production of ORION pads required printing both sides in exact registration, a difficult process, so NSA switched to another pad format, MEDEA, with 25 rows of paired alphabets and random characters. (See Commons:Category:NSA one-time pads for illustrations.)
The description column on deposit slips has been used for over 100 years in the U.S. to notate where the bank should send the check to reclaim the money; this was done at first by notating in words the name of bank or its location. [9] The bank's transit number, also called bank number, began to be used instead of words.
PIN pads must be approved to the standards required by the payment card industry to ensure that they provide adequate security at the point of PIN entry and for the PIN encryption process. ISO 9564 is the international standard for PIN management and security, and specifies some required and recommended characteristics of PIN entry devices.
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