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πŸ”— Dagen H – the day Sweden switched to driving on the right

πŸ”— Transport πŸ”— Sweden

Dagen H (H day), today usually called "HΓΆgertrafikomlΓ€ggningen" ("The right-hand traffic diversion"), was the day on 3 September 1967, in which the traffic in Sweden switched from driving on the left-hand side of the road to the right. The "H" stands for "HΓΆgertrafik", the Swedish word for "right traffic". It was by far the largest logistical event in Sweden's history.

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πŸ”— Iron Ring

πŸ”— Organizations πŸ”— Engineering

The Iron Ring is a ring worn by many Canadian-trained engineers, as a symbol and reminder of the obligations and ethics associated with their profession. The ring is presented to engineering graduates in a private ceremony known as the Ritual of the Calling of an Engineer. The concept of the ritual and its Iron Rings originated from H. E. T. Haultain in 1922, with assistance from Rudyard Kipling, who crafted the ritual at Haultain's request.

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πŸ”— Fundamental Attribution Error

πŸ”— Philosophy πŸ”— Philosophy/Logic πŸ”— Business πŸ”— Politics πŸ”— Psychology

In social psychology, fundamental attribution error (FAE), also known as correspondence bias or attribution effect, is the tendency for people to under-emphasize situational explanations for an individual's observed behavior while over-emphasizing dispositional and personality-based explanations for their behavior. This effect has been described as "the tendency to believe that what people do reflects who they are".

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πŸ”— Prince Rupert's Drop

πŸ”— Philosophy/Logic πŸ”— Glass

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πŸ”— Expect – automates programs that expose a text terminal interface

πŸ”— Computing πŸ”— Computing/Software πŸ”— Computing/Free and open-source software

Expect is an extension to the TCL scripting language written by Don Libes. The program automates interactions with programs that expose a text terminal interface. Expect, originally written in 1990 for the Unix platform, has since become available for Microsoft Windows and other systems.

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πŸ”— Amoeba (operating system)

πŸ”— Computing

Amoeba is a distributed operating system developed by Andrew S. Tanenbaum and others at the Vrije Universiteit Amsterdam. The aim of the Amoeba project was to build a timesharing system that makes an entire network of computers appear to the user as a single machine. Development at the Vrije Universiteit was stopped: the source code of the latest version (5.3) was last modified on 30 July 1996.

The Python programming language was originally developed for this platform.

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πŸ”— Tarski's high school algebra problem

πŸ”— Mathematics

In mathematical logic, Tarski's high school algebra problem was a question posed by Alfred Tarski. It asks whether there are identities involving addition, multiplication, and exponentiation over the positive integers that cannot be proved using eleven axioms about these operations that are taught in high-school-level mathematics. The question was solved in 1980 by Alex Wilkie, who showed that such unprovable identities do exist.

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πŸ”— Rubber duck debugging

πŸ”— Hungary

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