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Film & media

The Sound That Rings Inside the Screen: Diegetic Sound

Diegetic sound is sound whose source we accept as being inside the story world, like dialogue, footsteps, or a radio in the scene, while non-diegetic sound such as background music

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Earth science

The Mystery of Gravity: The Universe's Hidden Force

Gravity is an essential part of our everyday lives and one of the fundamental forces of the universe. Through gravity, we pull objects toward the ground, and it affects everything

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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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General knowledge

A Window to Success: How to Write an Effective Business Plan

A business plan is an essential tool for running a successful business. It helps companies set goals, develop strategies through market analysis, and manage their finances systemat

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Physics

Why Cold Coffee Never Warms Back Up: Entropy

Entropy is a quantity that captures why nature flows in only one direction. This article covers its origin with Clausius, the Second Law of Thermodynamics, Boltzmann's probabilisti

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General knowledge

Staying Healthy with Seasonal Fruits Throughout the Year

Seasonal fruits are rich in the nutrients unique to each season. This article introduces the fruits recommended for spring, summer, autumn, and winter, along with their characteris