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A guide to VM modernization when dealing with data backups.

From BLOG@CACM
#### In Pursuit of an International Computation Center in Europe

The story of the UNESCO International Computation Center.

From BLOG@CACM
#### Heinz Rutishauser, a Forgotten Swiss Pioneer

A look at the little-known Rutishauser, who created "automatic programming" and was one of the "authoritative fathers" of the Algol programming language.

From BLOG@CACM
#### Which Were the Most Influential Early Computers?

Considering early machines that had the greatest influence on the development of program-controlled computers.

From BLOG@CACM
#### Was Ada Lovelace Actually the First Programmer?

Historical arguments for and against.

From BLOG@CACM
#### Where is the Cradle of the Computer?

The digital computer of today arose in the first half of the 1940s independently in three different countries: Germany, the U.K. and the U.S.

From BLOG@CACM
#### Turing's Influence on Computer Construction is Overestimated

How great was Turing's influence on early British automatic computers? Opinions differ considerably.

From BLOG@CACM
#### Forced Labor at Bührle's Arms Factory

As has only recently become known, forced labor occurred at a former Bührle textile factory in Toggenburg, Switzerland. This and other Bührle companies played a...

From BLOG@CACM
#### The Mesm: Ukraine Beats Russia

The Mesm is considered the first stored program digital computer in Continental Europe.

From BLOG@CACM
#### Leonardo Torres Quevedo, a Brilliant but Forgotten Spanish Inventor

Although far ahead of his time, in the German- and English-speaking countries, Torres Quevedo has been largely forgotten.

From BLOG@CACM
#### Promoting Economic Development through Technical Innovation

A wealth of information about the history of technology and industry.

From BLOG@CACM
#### The Calculating Machine from the Concentration Camp

The story of Viennese engineer Curt Herzstark and the world's smallest mechanical calculating machine, the Curta.

From BLOG@CACM
#### Original Roman Pocket Calculators are Extremely Rare

As far as we know, only three or four original specimens of the Roman hand abacus have survived.

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...

From BLOG@CACM
#### Computers Were Originally Humans

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

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.

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.

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

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

From BLOG@CACM
#### The Evolution of Computing Power in Switzerland

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

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.

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.