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Physics

The Cosmic Secret Hidden in a Siren: The Doppler Effect

Why does an ambulance siren suddenly drop to a lower, drawn-out pitch the moment it passes you? This guide explains the Doppler effect, from its basic concept and working principle

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General knowledge

It Always Takes Longer Than Expected: Hofstadter’s Law

Hofstadter’s Law says that it always takes longer than you expect, even when you take the law into account. This piece covers its origin in Gödel, Escher, Bach, its recursive struc

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Physics

When Light Cannot Escape: Total Internal Reflection

Total internal reflection happens when light traveling from a material with a higher refractive index toward a lower one hits the boundary beyond the critical angle and is reflecte

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Food & nutrition

The Wisdom of Cooking Corn in Ash Water: Nixtamalization

Nixtamalization is a traditional Mesoamerican method of cooking and steeping dried corn in an alkaline solution such as limewater, then washing and hulling it. Learn its history, h

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Economics

The Core of Microeconomics: The Game of Supply and Demand

Microeconomics is a branch of economics that analyzes the economic decisions of individuals and businesses, focusing on exploring the fundamental elements of economic activity and