In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher.

When 16-year-old Sabrina cracks the cryptic Parallax, she’s recruited to track down a serial killer... who might not be from this world. Starring Anya Chalotra and Chance Perdomo. Show more When ...

A scientific revolution began at the end of the eighteenth century with the invention and popularization of the graphic display of data by the remarkable Scot, William Playfair. His marvellous Atlas ...

A mysterious website has appeared potentially doing a countdown about the release of the third season of the animated series Gravity Falls. Although there is no official confirmation from the ...

What are the Daily Cipher Code and Combo Card? The Daily Cipher Code and Combo Card are special challenges within the game ...

A cipher is a code used to protect information that is being stored or communicated, so that only people who are allowed to can access it. With this fun challenge, brought to you in partnership ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

The German police made the mistake in late 1941 of switching from the rather strong Double Transposition cipher to the more accessible Double Playfair, and for over a year Bletchley Park was able ...