From morse code to quantum cryptography, Hilary Lamb explores a history of ciphers and codebreakers.
How has cryptography enabled us to communicate secretly? Julia Lorke and Signe Klange investigate
Taken from Issue 20. For nearly as long as we have been creating objects of value, we have been developing ways to keep them safe. Being a relatively untrusting species has meant that we have invested a significant amount of time developing security measures to keep our belongings out of the hands of other people. […]