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Information technology

The Bug That Vanishes When You Look: The Heisenbug

A Heisenbug is a software bug that disappears or changes its behavior when you try to investigate it. This article covers where the name came from, why such bugs hide, related bug

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Design

Familiarity Drawn to Look Real: Skeuomorphism

Skeuomorphism is a design approach that keeps the look of old objects on new products so they feel familiar. This piece covers the word’s Greek roots and archaeological origins, ev

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Robotics

The First Robot Arm to Enter the Factory: Unimate

Unimate, installed at a General Motors plant in New Jersey in 1961, is regarded as the world’s first industrial robot. Learn how it grew from George Devol’s patent, how its hydraul

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Food & nutrition

The Secret of Foods That Don't Spoil: Water Activity

Why doesn't honey spoil easily even though it contains water? This article explains water activity, a measure of the free water in food, and how it is measured, the limits below wh