Statistics
Same Numbers, Different Pictures: Anscombe’s Quartet
Anscombe’s Quartet is a set of four datasets whose summary statistics are nearly identical but whose graphs look completely different. This piece covers how it came about, the trap
Articles to explore
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810 articles found
Robotics
Robots You Wear: Exoskeletons
What exactly is an exoskeleton, a robot you wear like clothing to add strength to your body? This article covers its history starting with Hardiman, the sensors and control that re
Robotics
Smarter Together Than Alone: Swarm Robotics
Swarm robotics is the field of robotics that designs many simple robots to work together without a central leader, using only signals exchanged with nearby peers. This piece covers
Information technology
Efficient Database (DB) Management Strategies
In modern society, data has become a core asset for businesses and organizations. How data is collected, stored, and managed can determine the success or failure of a business. In
Statistics
Why Great Days Are Often Followed by Ordinary Ones: Regression Toward the Mean
After a standout exam or a praised flight, the next result often looks weaker—and after a flop, stronger. Much of that swing is regression toward the mean, not praise or blame. Thi
Statistics
Understanding t-Tests and How to Use Them Effectively
Many statistical techniques are used in data analysis, and the t-test is a prominent method frequently used in data analysis and research to test differences between two groups. Th
Statistics
The Number to Check Before the Evidence: The Base Rate Fallacy
The base rate fallacy is judging from vivid case details while ignoring how common an event usually is. This piece covers Kahneman and Tversky’s research, the cab problem, everyday
Tourism studies
The Concept of Sustainable Tourism and Ways to Sustain It
Sustainable tourism aims to have a positive impact on local communities and the environment while providing visitors with beneficial and enjoyable experiences. The rapid growth of
Chemistry
Water Moving Across a Single Membrane: Osmosis
Why does salted cabbage release its water overnight? This article covers what osmosis is, the three factors that drive it, everyday examples, and reverse osmosis, the technology th
Chemistry
Why Bubbles Fizz When You Open the Lid: Henry's Law
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
Information technology
The Formula That Sets the Limits of Parallelism: Amdahl’s Law
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,
Film & media
Secrets to Writing Well-Crafted Scenarios
Scenarios are important tools that play a central role in various fields. They are widely used not only in films, television dramas, and theater, but also in areas such as business