secret writing การใช้

• The Cardan grille was invented as a method of secret writing.
• Mlecchita Vikalpa is the art of secret writing and secret communications.
• Simon Singh's entertaining and edifying survey of the science of secret writing.
• It also helped popularize cryptograms and secret writing.
• Cryptography is the science of secret writing.
• He earlier donated his cryptography collection, including a book about secret writing from 1518.
• Through the work of the Friedmans, much historical information on secret writing was gathered.
• This section also included special photography, secret writing, radio centers, and decoders.
• On 10 November 2015, it was revealed that Simpson had rejoined Busted after successful secret writing sessions.
• Singh traces the human drama of secret writing from ancient Greek military espionage to present-day computer science.
• He is also very likely to conceal one channel of communication with A-for example, a second secret writing system.
• CV stands for Cerberus Vent, which was revealed in secret writing on the back of one of the Lost jigsaw puzzles.
• Skills here can include the operation of cameras appropriate for espionage, methods of carrying out documents without detection, secret writing.
• In 1943 Miller reported the Mail Censor's office found secret writing in a letter that a Naval GRU Officer sent to Moscow.
• Poe became aware of the public's interest in secret writing in 1840 and asked readers to challenge his skills as a code-breaker.
• The Enigma machine dated back to 1919, when Hugo Alexander Koch, a Dutchman, patented an invention that he called a secret writing machine.
• Years before, he gave the library his cryptography collection, which included a book about secret writing published in 1518 and comic books from World War II.
• They noted an al-Qaida training manual included a section on secret writing with invisible ink and use of codes to pass on secret messages outside a prison.
• In March 1941 BSC chemists detected secret writing in a Joe K letter; the secret message referred to a duplicate letter sent to " Smith " in China.
• These " scittura segreta " ( secret writing ) were meant to be analyzed by confessors so that they could better meet the woman s spiritual needs.