Sign In

Communications of the ACM

BLOG@CACM



Discovery: User Manual of the Oldest Surviving Computer in the World
From BLOG@CACM

Discovery: User Manual of the Oldest Surviving Computer in the World

A rare find: the user manual of the oldest surviving computer in the world, the Zuse Z4 relay machine (1945).

Technology in the Time of Cataclysms
From BLOG@CACM

Technology in the Time of Cataclysms

How is the development of technology, and its more basic cousin science, affected during such cataclysmic times?

The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m
From BLOG@CACM

The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m

The world's largest mass-produced cylindrical slide rules come from Loga-Calculator AG in Zurich/Uster, Switzerland.

Hacking the Axis
From BLOG@CACM

Hacking the Axis

The role of early high-performance computing capabilities in World War II.

Would There Be Computers Without Easter?
From BLOG@CACM

Would There Be Computers Without Easter?

Finding roots of computing in the computation of Easter.

Why Is There No Well-Known Swiss IT Industry?
From BLOG@CACM

Why Is There No Well-Known Swiss IT Industry?

Herbert Bruderer asks why no information technology industry emerged in Switzerland in the 1950s, despite the appearance of computers from several sources.

Are My Requirements Complete?
From BLOG@CACM

Are My Requirements Complete?

Knowing the notion of sufficient completeness and the theory of abstract data types helps practitioners produce better requirements.
Sign In for Full Access
» Forgot Password? » Create an ACM Web Account