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794 articles found
Statistics
What confidence levels and confidence intervals mean and how they differ, how a confidence interval is calculated from the sample mean, standard error, and critical value, how they
Information technology
Considered one of the innovations of modern technology, 3D printers are bringing major changes to industries ranging from manufacturing to medicine, education, and art. 3D printers
Business administration
Freemium is a pricing strategy that gives away a basic product or service for free and charges for better features, more capacity, or added convenience. This article covers where t
Economics
Gross domestic product (GDP) is one of the most important indicators in modern economics, used to measure the size and growth of a country's economy. By capturing the sum of a coun
Chemistry
Organic chemistry is a branch of chemistry that studies the structures, properties, and reactions of carbon-based compounds, and it is closely connected to various disciplines, inc
Business administration
Systematically analyzing a company's external environment is very important when developing a business strategy. One widely used tool for analyzing this external environment is PES
General knowledge
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
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
Design
The Von Restorff Effect is the principle that among similar items, the one that differs is remembered best. This piece covers Hedwig von Restorff’s 1933 experiment, four contrast d
Information technology
In modern society, the internet has become an essential part of our lives. However, as internet use increases, problems such as personal information leaks and invasions of privacy
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
Robotics
How do robot arms and drones stop right at their target? This article covers the history of PID control starting with Minorsky, the roles of the proportional, integral and derivati
