Conservation of angular momentum means that when no outside force acts to change its rotation, the amount of rotation a spinning object has stays the same. This piece covers the co
The Doherty Threshold is the principle that when a computer responds within about 0.4 seconds, people and machines stop waiting on each other and productivity rises sharply. This p
Price discrimination is the strategy of selling the same product or service at different prices to different groups of consumers. This article covers the concept, the first-, secon
One of the first things to consider when running a business is how to generate revenue through its services. Therefore, to sustain and grow a business, you should start with a clea
The National Pension system has firmly established itself as an important social security system that provides security in old age in modern society. It provides people with an eco
The welfare state is an important concept that plays an essential role in improving citizens' quality of life and maintaining social stability in modern society. This article exami
Probability sampling randomly selects cases so that every member of a population has a known probability greater than zero of being chosen for the sample; these probabilities need
Why does cannibalization, where a new product eats into an existing product's sales, happen? This article explains what it is and why it occurs, the cases of Apple, Kodak, and Netf
How do milk and vaccines reach us while staying cold? This article covers the history of the cold chain from ice-packed shipping to refrigerated trucks, its four stages and tempera
The halo effect is a bias in judgment in which the impression from one standout trait spills over into how we rate other, unrelated traits. This piece covers the research that firs
Fresh rice turns hard in the fridge, and bread grows crumbly over days—because of starch retrogradation. This article explains gelatinization and retrogradation, the conditions tha
At the seafood counter of a large supermarket or a sashimi restaurant, you can enjoy olive flounder and rockfish all year round. Advances in aquaculture technology and innovations