Physics
A Thunderclap from a Clear Sky: The Sonic Boom
A sonic boom is the loud sound made when the shock waves created by an object moving faster than sound reach the ground. This article explains how sonic booms form, the small sonic
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810 articles found
Information technology
Cloud Computing: Understanding Its Concepts and Principles
Cloud computing is a concept that has become an essential technology in the modern IT industry. It allows businesses and individuals to easily access various computing resources ov
Social welfare
The Power to Take Charge of Your Life: Empowerment
Empowerment is the process by which individuals and groups build the power to take part in and control the decisions that affect their lives. This guide explains its origins and co
Statistics
Numbers That Flip When Combined: Simpson's Paradox
Simpson's paradox is the phenomenon in which a relationship seen within separate groups weakens or even reverses when the groups are combined. This article covers its definition, w
Social welfare
The Power That Connects Services: Case Management
Case management is a social work practice that coordinates resources through assessment, planning, linking, monitoring, and evaluation so that people with complex needs can receive
Education
The Role of Educational Evaluation and the Importance of Improving Education
Educational evaluation plays an essential role in the education system and is an important means of assessing learners' achievement and improving the quality of education. Through
Food & nutrition
The Secret Behind Chewy Dough: Gluten
Gluten is a net-like mass of protein that forms when two wheat proteins meet water and become entangled. We look at how it forms, how flour types differ, the cooking tricks that st
Library & information science
Catalog Concepts and Structure for Library MARC Work
This time, we will examine catalogs, one of the concepts frequently used in libraries. Catalogs are intended to ensure that the same book can be registered according to the same s
Business administration
Watching Changes Things: The Hawthorne Effect
Why does performance often jump right after a new management practice is introduced, only to slip back later? This article explains the Hawthorne effect: its definition and the ori
Tourism studies
Korea’s Leading Ecotourism Destinations and Sustainability
Ecotourism is an important form of tourism that protects the natural environment and ecosystems while revitalizing local economies. The role and importance of ecotourism in buildin
Education
Finding the Way While Learning: Formative Assessment
Formative assessment checks what students know and don't know while learning is still underway, and uses the results to improve both teaching and learning. We look at where the ter
Social welfare
The Four Faces of “Need”: Bradshaw’s Taxonomy of Social Need
When we say someone has a “need,” we can mean four different things. This article walks through Bradshaw’s Taxonomy of Social Need: normative, felt, expressed and comparative need,