Robotics
Reaching Out a Hand from Afar: Teleoperation
Teleoperation lets a person control a distant machine directly, sending their hands and eyes where people cannot safely go. This article covers its origins in 1940s–50s nuclear lab
Articles to explore
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779 articles found
Education
The Secret of Learning That Lasts: Desirable Difficulty
Why is what we learn easily so easily forgotten? This article explains desirable difficulty, as described by Robert Bjork, covering its meaning and origins, learning methods such a
Economics
Only the Bad Cars Remain: The Market for Lemons
Why can good products disappear from a market where buyers cannot judge quality? This article covers Akerlof's 1970 paper, how adverse selection drives good goods out, examples bey
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
General knowledge
How Glasses and Vision Correction Work: Correcting Nearsightedness, Farsightedness, and Astigmatism
The main types of vision problems such as myopia, hyperopia, astigmatism, and presbyopia, the science of lenses, materials, and coatings, how each problem is corrected, other corre
Economics
Bad Money Wins: Gresham's Law
If you had a worn, crumpled bill and a crisp new one in your wallet, which would you hand over first? This article explains Gresham's Law, the idea that bad money drives out good:
Education
Helping Children Grow on Their Own: Montessori Education
Montessori education sees children as born with the drive to learn and helps them grow by choosing activities and learning with their hands in a prepared environment. Learn how it
Education
Awakened by Questions: The Socratic Method
The Socratic Method is a way of teaching through repeated questions so learners find gaps in their own thinking and reach conclusions themselves. This piece covers its origins in S
Information technology
A Comprehensive Guide to CSS Properties for Website Styling
This time, I would like to put together material on CSS, a language essential for styling websites. This material will provide an overview of the CSS properties needed for web deve
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
Design
The Familiar Is Easy: Jakob's Law of Internet User Experience
Why do sites we use for the first time still feel easy? This article explains the origin of Jakob's law as stated by Jakob Nielsen, the principles of mental models and conventions,
Information technology
Less Power as They Shrank: Dennard Scaling
Dennard scaling is the semiconductor scaling rule that if transistors are made smaller while voltage is lowered by the same ratio, the power used by a given area of a chip stays th