Invented by Leonardo Torres in 1920, the Torres calculating machine is a machine that solves essential addition, subtraction, multiplication, and division problems using a simple manner. It was a ...

The first electronic computer was built during the 1940s by John Vincent Atanasoff, a professor of physics and mathematics at Iowa State University, and one of his students, Clifford E. Berry. But the ...

Empire of the Sum: The Rise and Reign of the Pocket Calculator. By Keith Houston. W.W. Norton & Company; 384 pages; $32.50. To be published in Britain in October; £25 WHEN WAS the last time you used a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The astrolabe is an astronomical ...

An array of 6100 ultracold caesium atoms controlled by lasers is the largest collection of qubits ever assembled, and ...

When you look at the Dow Jones Industrial Average or a bank statement or your receipt at the grocery local store, do you ever stop to think about how numbers are actually processed? (It’s OK – you won ...

Denso has patented a positioning device that calculates the position of a target location on Earth using satellite information and attitude detection. The device adjusts for reliability of attitude ...