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784 articles found
Robotics
Grey Walter’s Tortoises were small robots built in the late 1940s by British neurophysiologist William Grey Walter that explored their surroundings on their own using just two vacu
Chemistry
Distillation heats a liquid mixture, sends the more volatile components off as vapor first, then cools that vapor back into liquid to separate what was mixed. We look at its histor
Economics
Economic stabilization focuses on maintaining a sustainable growth path for a national economy while minimizing economic volatility. Quantitative easing (QE, Quantitative Easing) i
Economics
The basic concepts of supply and demand, how market equilibrium and the equilibrium price form, how price changes affect quantity demanded and supplied, what shifts the demand and
Food & nutrition
Food allergies are among the health problems many people face, occurring when the body's immune system overreacts to the consumption of certain foods. Allergic reactions can be mil
Psychology
In modern society, many people experience difficulty fully acknowledging their own success and feel as though their achievements were obtained through deception. This phenomenon is
Economics
The Laffer Curve is a hill-shaped graph showing that tax revenue is zero at both a 0% and a 100% tax rate, so some rate in between brings in the most. This article covers its napki
Film & media
The Kuleshov Effect is the phenomenon in which viewers create new meaning and emotion on their own when the same shot is joined to different shots. This article covers the concept
Chemistry
Freezing point depression is the lowering of a liquid’s freezing temperature when other substances are dissolved in it. We look at why dissolved particles slow ice formation, why t
Statistics
The Will Rogers phenomenon is when moving some members from one group to another raises the averages of both groups. This article covers where the name came from and how it works,
Information technology
Frameworks provide standardized structures and methods for software development, helping developers build applications more efficiently and consistently. These tools are often clos
Food & nutrition
Maintaining a healthy lifestyle requires considering various factors. Among them, cholesterol management plays an important role in heart health and overall physical health. High c
