Physics
When Light Cannot Escape: Total Internal Reflection
Total internal reflection happens when light traveling from a material with a higher refractive index toward a lower one hits the boundary beyond the critical angle and is reflecte
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Library & information science
The Power to Handle Information: Information Literacy (IL)
Information literacy is the ability to recognize what information you need, find it, evaluate it, and use it ethically. This article covers its definition and origins, the core fra
Social welfare
Turning Surplus Food into Meals for Those in Need: Food Bank
A food bank is an organization and system that collects donated food that is still edible but hard to sell and distributes it to people struggling to get enough to eat and to welfa
Food & nutrition
How to Stay Healthy with Essential Nutrients
Maintaining health amid the busy routines of modern society is very important. However, one area that many people overlook is their intake of essential nutrients. Essential nutrien
Education
The Future of Innovative Educational Methods in the Student-Centered Era
Modern educational methodology is continually changing and undergoing innovation. From traditional educational methods to the introduction of digital technology, education has deve
Logistics
The Vertical Space Revolution in Warehouses: Types and Features of Warehouse Racks
When we picture a huge warehouse, we often think only of seemingly endless floor space. Yet the real innovation in modern logistics begins with the use of vertical space reaching t
Education
Pour It All in at Once and It Overflows: Cognitive Load Theory
Why does learning stall when there is too much to hold in mind at once? This article covers the origins of cognitive load theory and the limits of working memory, the three types o
Earth science
The Boundary Between Earth's Crust and Mantle: The Mohorovičić Discontinuity
The Mohorovičić Discontinuity, or Moho, is the boundary between Earth's crust and the mantle below it. This article covers where the Moho lies, how a Croatian seismologist found it
Library & information science
Organizing All the World's Knowledge with the Dewey Decimal Classification (DDC)
The smartphones we use contain thousands, even tens of thousands, of files and apps. What would happen if photos, documents, and music files were all mixed together on a single scr
Library & information science
Splitting a Subject into Many Sides: Faceted Classification
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
Chemistry
Inorganic Chemistry Unlocks the Future: At the Forefront of Advanced Technology and Integration
Inorganic chemistry is a branch of chemistry that, unlike organic chemistry, which centers on carbon, studies most elements other than carbon and their compounds. As a fundamental
General knowledge
Headlines That End in a Question Mark Usually Mean No: Betteridge's Law of Headlines
Betteridge's law of headlines is the adage that any headline ending in a question mark can almost always be answered with a single word: no. This article covers how the law came ab