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How Does a Pantograph Work?
From BLOG@CACM

How Does a Pantograph Work?

Pantographs have been widely used for centuries; for example, in surveying and embroidery. With these devices, drawings can be enlarged and reduced.

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.

AI Began in 1912
From BLOG@CACM

AI Began in 1912

Artificial intelligence began in 1912, with the world's first chess automaton built by Torres Quevedo.

Leonardo da Vinci's Robot Lion
From BLOG@CACM

Leonardo da Vinci's Robot Lion

We are celebrating the 500th anniversary of Leonardo da Vinci's death with a major exhibition of the Renaissance painter's works.

The African Enigma: Who Knows More?
From BLOG@CACM

The African Enigma: Who Knows More?

Tally sticks and notched bones are among the oldest digital data carriers.

Who Manufactured the Mysterious Chinese Android?
From BLOG@CACM

Who Manufactured the Mysterious Chinese Android?

In the 18th century, there were several famous makers of automatons in Europe; who created the Chinese musical clock automaton figure?

Leonardo's Self-driving Car
From BLOG@CACM

Leonardo's Self-driving Car

Leonardo da Vinci, who died 500 years ago, had already designed a self-driving car.

How Do You Calculate with the Sector?
From BLOG@CACM

How Do You Calculate with the Sector?

The sector was developed in the second half of the 16th century, and was in widespread use until the end of the 19th century,

Fake Translations?
From BLOG@CACM

Fake Translations?

Inconsistencies in translation programs.

Google Translate Does Not U­nderstand the Content of the Texts
From BLOG@CACM

Google Translate Does Not U­nderstand the Content of the Texts

How well do translation programs translate?

In Search of A Rare Roman Pocket Calculator
From BLOG@CACM

In Search of A Rare Roman Pocket Calculator

As far as we know, three original copies of the Roman hand abacus have survived. There is a fourth device, but nobody knows where it is.

Calculating With Roman Numerals is Not So Difficult
From BLOG@CACM

Calculating With Roman Numerals is Not So Difficult

How to deal with Roman numerals and without a sign for zero in an additive number system, if no hand abacus is available?

How Did the Romans Calculate?
From BLOG@CACM

How Did the Romans Calculate?

Experts are still wondering how the Romans calculated with their number system.

More Replicas of Historical Calculating Machines Found
From BLOG@CACM

More Replicas of Historical Calculating Machines Found

Documenting the discovery of several previously unknown replicas of historical computing devices made by Roberto A. Guatelli.

The Model Maker of Leonardo da Vinci, Blaise Pascal, and Charles Babbage
From BLOG@CACM

The Model Maker of Leonardo da Vinci, Blaise Pascal, and Charles Babbage

Discovery of a previously unknown replica of the legendary Swiss Millionaire calculating machine at Carnegie Mellon University in Pittsburgh, PA.

There Are No Digital Humanities
From BLOG@CACM

There Are No Digital Humanities

Many think that the opposite of digital is analog or mechanical.

Mystery Dating of the World-famous 'Millionaire' Calculating Machine Solved
From BLOG@CACM

Mystery Dating of the World-famous 'Millionaire' Calculating Machine Solved

Regarding the discovery of new documents about the H.W. Egli AG (Zurich) company in the Museum für Kommunikation, Berne, Switzerland.

Did Albert Einstein Calculate on the 'Millionaire' in Zurich?
From BLOG@CACM

Did Albert Einstein Calculate on the 'Millionaire' in Zurich?

In 1897, ETH Zurich was the first university in the world to have a copy of the legendary four-species calculating machine Millionaire.

Algorithms Have Been Around for 4,000 Years
From BLOG@CACM

Algorithms Have Been Around for 4,000 Years

For some years now, the terms "algorithms", "digitization" and "artificial intelligence" have become commonplace. However, these terms are rarely explained. One...

The Birthplace of Artificial Intelligence?
From BLOG@CACM

The Birthplace of Artificial Intelligence?

Was the 1951 Paris conference "Les machines à calculer et la pensée humaine" the birthplace of Artificial Intelligence?
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