Chapter 1
Writing the physical Earth
View / Create
Answer
Chapter 2
Capturing light and motion
View / Create
Answer
Chapter 3
Recording the human experience
View / Create
Answer
Chapter 4
Hidden and structured codes
View / Create
Answer
YOUR GOAL
Master of The history of ographies
Ch 4 · Hidden and structured codes
schopenhauer Orthography defines the rules for writing a language correctly, including spelling.
Fun Fact
Invisible ink: During World War I, British spies used lemon juice as invisible ink, which became visible only when heated over a candle flame.
schopenhauer Steganography hides the very existence of a message rather than scrambling it.
Glossary
cryptography (noun)
The science or practice of concealing information by converting it into secure, encrypted code. During World War II, Alan Turing cracked the German Enigma cipher at Bletchley Park.
The science or practice of concealing information by converting it into secure, encrypted code. During World War II, Alan Turing cracked the German Enigma cipher at Bletchley Park.
BETA
schopenhauer Match clues to the correct ography to learn the secret history of everyday words.
Quiz
What physical phenomenon explains the automatic writing of 19th-century psychography?