Education
The Need for Special Education and the Role of Educators
Special education is an educational program designed for students who have special educational needs related to their individual learning abilities, physical abilities, sensory abi
Articles to explore
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810 articles found
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
Journalism & communication
A Neighbor’s Word Over the Newspaper: The Two-Step Flow of Communication
Why does a friend’s recommendation often sway us more than an ad? This article explains Lazarsfeld’s two-step flow theory—how media messages reach opinion leaders first and then sp
Robotics
Reducing Error on the Way to the Goal: Proportional-Integral-Derivative Control
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
Robotics
The Number of Joints Shapes Movement: Degrees of Freedom
What determines how a robot can move? This article explains degrees of freedom, covering what the term means, how six-axis industrial robot arms work, the degrees of freedom of the
Earth science
Convection: The Hidden Science That Drives Everyday Life and Climate
An exploration of convection: its basic principles and definition, the different forms convection takes on Earth, how it shapes climate and weather, and how it is applied in everyd
Film & media
Perfecting the Art of Photography (Video) with Focus and Depth of Field
The art of photography and video is a complex process that involves understanding and applying various techniques and principles, rather than simply pressing a button to capture an
Statistics
3 Types of Within-Group Norms for Standardized Psychological Tests
In this article, we will explore the concept of norms. Norms refer to the scores used as a basis for comparison when comparing an individual's test score with those of other people
Business administration
ESG Management: The Key to Sustainability
In today's business environment, corporate sustainability is no longer optional but a necessity. Accordingly, ESG (environmental, social, and governance) management is emerging as
Economics
The Looseness Insurance Brings: Moral Hazard
Moral hazard is the tendency to act more carelessly or boldly once risk has shifted to someone else. This article covers its meaning, how it differs from adverse selection, everyda
Film & media
Effective Broadcast Scheduling Strategies and Optimization Approaches
South Korea's broadcasting industry is changing rapidly and developing steadily. Amid these changes, broadcast scheduling plays an important role in attracting and retaining viewer
Film & media
Key Secrets to Producing Polished Videos
Effective video production plays a very important role in modern digital marketing and content strategy. Simply picking up a camera and filming is not enough to create successful c