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Patent Protection in Europe
From BLOG@CACM

Patent Protection in Europe

Up to the second half of the 19th century —with the exception of the industrial power Great Britain—the protection of inventions was inadequate and strongly disputed...

Computers Were Originally Humans
From BLOG@CACM

Computers Were Originally Humans

Until the middle of the 20th century, computers were in fact humans who performed calculations.

How Does One Divide with Napier's Rods?
From BLOG@CACM

How Does One Divide with Napier's Rods?

Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.

How Does One Multiply with Napier's Rods?
From BLOG@CACM

How Does One Multiply with Napier's Rods?

Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.

How Does One Calculate With A Circular Slide Rule?
From BLOG@CACM

How Does One Calculate With A Circular Slide Rule?

The circular slide rule was widely used until the 1970s.

The Evolution of Computing Power in Switzerland
From BLOG@CACM

The Evolution of Computing Power in Switzerland

Milestones in the history of computing from the Swiss National Supercomputing Center, Lugano.  

Soresini: A Very Rare Book on the History of Computing
From BLOG@CACM

Soresini: A Very Rare Book on the History of Computing

The work is an extremely instructive, rich history of calculating technology. It also includes the analog world and automata, and is written in Italian.

Charles Babbage and the Loom
From BLOG@CACM

Charles Babbage and the Loom

Babbage wanted to control his analytical engine, regarded as the ancestor of the modern-day computer, with punched cards.

The World's Most Magnificent Historical Calculating Machines
From BLOG@CACM

The World's Most Magnificent Historical Calculating Machines

The design of today's electronic computers is usually not very appealing, in contrast to magnificent mechanical calculating machines from earlier times.

The World's Most Magnificent Historical Automatons
From BLOG@CACM

The World's Most Magnificent Historical Automatons

Automatons are ubiquitous. Some of the most magnificent works in the genre have survived in museums.

When Did the Digital Age Begin?
From BLOG@CACM

When Did the Digital Age Begin?

There is no clear answer.

Superb Historical Robots
From BLOG@CACM

Superb Historical Robots

The world's most magnificent historical robots.

Konrad Zuse's Guestbook: a Treasure Trove
From BLOG@CACM

Konrad Zuse's Guestbook: a Treasure Trove

Computer scientist Konrad Zuse created the world's first programmable computer, the functional program-controlled Turing-complete Z3.

An Enigmatic Device from Denmark
From BLOG@CACM

An Enigmatic Device from Denmark

Discovery of a very rare surveying instrument in Denmark.

How Do You Calculate on the Abacus?
From BLOG@CACM

How Do You Calculate on the Abacus?

Considering the use of one of the most long-lived calculating devices.

Tracking Down a Seminal Work on Computer Construction – in Russian
From BLOG@CACM

Tracking Down a Seminal Work on Computer Construction – in Russian

A Russian edition of Rutishauser's standard work on computer construction.

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).

Preparation for Building the First Swiss Digital Computer (Ermeth)
From BLOG@CACM

Preparation for Building the First Swiss Digital Computer (Ermeth)

Eduard Stiefel's study trip to the U.S. in 1948/1949.

Automatic Translators are Not Really Capable of Learning
From BLOG@CACM

Automatic Translators are Not Really Capable of Learning

One does not get the impression the Google Translate and DeepL translation programs are self-learning and have made real progress.
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