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General knowledge

When Arguments Drag On, Hitler Shows Up: Godwin’s Law

Godwin’s Law is the internet adage that the longer an online discussion grows, the closer the probability of someone comparing others to Nazis or Hitler gets to 1. This article cov

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Tourism studies

When Your Dream City Disappoints: Paris Syndrome

Paris syndrome is the severe confusion some travelers feel when a long-dreamed-of destination falls short of their expectations. We look at how the name came about, its main sympto

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Earth science

Lightning and Thunder: Electrical Phenomena in Nature

Lightning is one of the most remarkable electrical phenomena produced by nature. The moment lightning flashes is not only visually beautiful but also conceals complex scientific pr

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Social welfare

Easy to Change, Secure to Live: Flexicurity

Flexicurity pairs a labour market in which firms can hire and dismiss with generous social protection for those who lose a job. This article covers Denmark's “golden triangle,” its

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Statistics

An Easy Guide to Understanding Reliability and Validity

Reliability and validity always come up when studying surveys in statistics, marketing, or opinion polling. This guide uses two illustrated examples, shooting and makeup, to make t

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Robotics

Reaching Out a Hand from Afar: Teleoperation

Teleoperation lets a person control a distant machine directly, sending their hands and eyes where people cannot safely go. This article covers its origins in 1940s–50s nuclear lab

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Earth science

The Whole Sea Comes Rushing In: Tsunami

A tsunami is a series of giant, very long waves created when a huge volume of seawater is displaced at once by an undersea earthquake, landslide, or volcanic eruption. This piece c

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Physics

The Uncertainty Principle: New Possibilities for Innovation

Quantum mechanics is a theoretical framework that plays an important role in understanding the fundamental properties of matter and energy. Among its principles, the uncertainty pr