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784 articles found
Food & nutrition
Sugars play an important role in the diet, but excessive intake can cause a variety of health problems. To prevent these problems and maintain optimal health, it is essential to ha
Statistics
Many statistical techniques are used in data analysis, and the t-test is a prominent method frequently used in data analysis and research to test differences between two groups. Th
Economics
The Big Mac Index compares the price of a Big Mac around the world to gauge whether a currency is overvalued or undervalued. This article covers how it began, the purchasing power
Statistics
This article explains the concept and definition of variables in statistics, the difference between independent and dependent variables with examples from various fields, the disti
Film & media
An anamorphic lens squeezes a wide scene only horizontally onto film or a sensor, then stretches it back by the same ratio to create a widescreen image. This article covers how it
Food & nutrition
Rancidity is the process in which the fats in food break down by reacting with oxygen, water, or enzymes, producing unpleasant smells and flavors and lowering quality. We look at i
Journalism & communication
The Magic Bullet Theory is the view that media messages hit audiences directly, like bullets, and produce the same effect in everyone. We look at the age of propaganda that produce
Film & media
The Steadicam is a body-worn camera stabilizer that keeps the operator's movements from reaching the camera. We look at how it was born, the structure and principles that tame the
Physics
The photoelectric effect is the phenomenon in which electrons at the surface of a material such as a metal or semiconductor absorb energy from incident light and escape. This artic
Physics
The universe remains full of mysteries, and dark matter is among its greatest enigmas. Although invisible, dark matter is estimated to make up approximately 27% of the universe, an
Economics
Inflation is one of the major issues in the modern economy, and discussions about its impact and causes continue unabated. In particular, recent global economic conditions have pro
Journalism & communication
Four Theories of the Press (1956) sorted the world's press into authoritarian, libertarian, social responsibility, and Soviet communist theories. This article covers what each beli
