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774 articles found
Journalism & communication
The inverted pyramid is a way of writing news that puts the conclusion and key facts first and places less important information further back. This piece covers how it is structure
Film & media
Why does a slightly tilted frame make us uneasy? This article covers what the Dutch angle is, its roots in German Expressionism and the origin of its name, how film and TV have use
Robotics
Inverse kinematics finds the joint angles that place a robot’s end effector at a desired pose. This piece covers forward versus inverse kinematics, multiple or missing solutions an
Food & nutrition
Food safety is an important topic that directly affects our health and quality of life. Thorough management is needed in various areas, including proper food handling and storage a
Statistics
Why is it so likely that two people in a small group share a birthday? This article covers the birthday paradox, the two keys to calculating it, why our intuition misses it, and ho
Information technology
What is the Year 2038 problem? It is the glitch in which computers that store Unix time in 32 bits mistake moments after January 19, 2038, for 1901. This article covers how it work
Information technology
Smart grids play an important role in addressing the energy challenges of modern society and creating a sustainable future. Unlike traditional power grids, smart grids use informat
Library & information science
This time, I would like to prepare material on how library systems develop and become automated, along with the advantages and disadvantages of introducing automation. Library auto
Earth science
A geomagnetic reversal is when Earth’s magnetic north and south poles swap places. This piece covers how Earth’s magnetic field is made, how scientists found traces of past reversa
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
Chemistry
Analytical chemistry is a branch of chemistry that scientifically analyzes the composition, structure, and chemical properties of substances. This discipline plays a very important
Earth science
Air pressure shapes our weather and is something we feel in everyday life. This article covers the basic concept of air pressure, the role and importance of atmospheric pressure, t
