Psychology
Why Everyone Just Watches: The Bystander Effect
Why does help often arrive more slowly when more people are watching? This article covers the case and classic experiments that launched research on the bystander effect, the three
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772 articles found
Psychology
Understanding Fear and Apprehension and How to Overcome Them
Fear and apprehension are among the most instinctive and primal emotions humans experience. These emotions are closely connected to our survival instincts and affect our bodies and
Statistics
When to Stop and Choose: The Secretary Problem
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
Film & media
The Concept and Types of Video Resolution - SD, HD, FHD, UHD, and More
Resolution is a key factor that determines the clarity and detail of video. This article covers the concept of resolution, types such as SD, HD, FHD, and UHD, the difference betwee
Tourism studies
The Urge to Leave and the Place That Calls: Push-Pull Theory
Why do people travel, and why do they choose a particular place? This article explains the origins of push-pull theory, push factors as travel motives, pull factors as destination
Information technology
The Key to Future Energy: The Current State and Prospects of Smart Grids
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
Information technology
Slowing Down Faster Than Hardware Speeds Up: Wirth’s Law
Wirth’s Law is the rule of thumb that software gets slower faster than hardware gets faster. This piece covers where it came from, why software keeps getting heavier, examples arou
Food & nutrition
When Nuttiness Turns Stale: Rancidity
Rancidity is the process in which the fats in food break down by reacting with oxygen, water, or enzymes, producing unpleasant smells and flavors and lowering quality. We look at i
Physics
The Secret of Walking on Water: Surface Tension
Why can a full glass of water bulge above the rim without spilling, and how do water striders walk on ponds? This article explains how surface tension arises, why water's is unusua
Film & media
The Camera That Circles Frozen Time: Bullet Time
Bullet time is a visual effect in which time seems to slow down or stop while the camera keeps moving around the scene at normal speed. This article explains how it differs from sl
Film & media
The Secret of a Screen Recorded Line by Line: The Rolling Shutter
A rolling shutter records an image not all at once but line by line from top to bottom, which is why fast-moving objects and brief flashes can look strangely distorted. This articl
Social welfare
Changes in the Older Population and the Need for Elderly Welfare
The growth of the older population is a prominent phenomenon worldwide, resulting from various factors such as improvements in quality of life, increased life expectancy, and advan