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799 articles found
Logistics
Ordering products from online stores and receiving them as early as the same day or the following morning has now become an entirely ordinary part of daily life. Behind this everyd
Information technology
Why doesn’t doubling your cores double your speed? Amdahl’s Law shows that the serial portion you cannot parallelize caps the overall speedup at 1/s. This piece covers the formula,
Food & nutrition
Caffeine is one of the most commonly consumed stimulants in modern society and is found in various foods and beverages, including coffee, tea, and chocolate. Many people start thei
Library & information science
Government reports, theses, conference papers and working papers: what grey literature is, where the term came from, why research needs it, and why it is so hard to find and preser
Chemistry
Henry's law says that the amount of gas dissolved in a liquid is proportional to the pressure of the gas above it. This article covers why a soda fizzes when opened, what happens i
Physics
Plasma is the 4th state of matter, following solids, liquids, and gases, and is a unique state with electrical and high-temperature characteristics. These characteristics give plas
Journalism & communication
A pseudo-event is an event planned and staged so that it will be reported and widely publicized, rather than one that happens on its own. This article covers the concept introduced
Library & information science
The Five Laws of Library Science are five short principles, published by the Indian mathematician and librarian S. R. Ranganathan in 1931, that sum up whom and what a library exist
Food & nutrition
Why does your appetite come back for dessert even when you feel too full to eat another bite? This article explains sensory-specific satiety: what it is, the brain and evolutionary
Library & information science
Faceted classification divides a subject into non-overlapping aspects and combines their symbols into one class number. This piece covers enumerative versus analytico-synthetic cla
Business administration
The value chain is a framework that breaks a company's work down into individual activities to see where value is created and where costs leak. This piece covers the basic concept,
Film & media
Why does a film stay gripping even when we never learn what is in the briefcase everyone is chasing? This article explains the MacGuffin, a story device that is vital to the charac
