Computer science
The truth about Colossus - Decoding computer over 2m high used in World War II
The massive Colossus computer took up as much space as a room, reducing code-breaking time from weeks to hours.
GCHQ
Browse ScienceInfo articles and explainers related to GCHQ.
Topic archive
Articles about GCHQ
3 published items.
1001 mystery
The mysterious telegram could not be solved from World War II
A mysterious telegram found on the body of a World War II pigeon may never be deciphered, admitted British decoder experts on November 23.
Science Events
Intelligence He opened a quiz on Christmas cards
Instead of the image of Santa and reindeer appearing on the front of a traditional Christmas card for a long time, British security and intelligence agency GCHQ designed…