Science
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A Day in the Life: The Global BGP Table
A data-driven look at how the internet's global routing table changes over a single day, with charts of announcements, w…
A Fighter Pilot's Guide to Surviving on the Roads
An RAF pilot explains how saccadic eye movement and motion blindness make drivers miss cyclists, and what both riders an…
A Gigantic Jet Caught on Camera
NASA explains the rare gigantic jet an astronaut photographed from the ISS, lightning shooting from a storm top into the…
A High-Speed Laser Camera Trigger for Under $2
A build log for a microsecond-fast laser camera trigger made from cheap parts, created to fire a high-speed flash at exa…
A most profound video game
Biologist Michael Levin argues that the puzzle game Baba Is You trains the kind of flexible thinking needed to explore l…
A New Spline
Raph Levien explains a new spline that continues his Spiro curve work from his PhD thesis, with examples of smooth curve…
A Physically-Based GPU Ray Tracer in Julia
A blog post from the Makie team showing how a physically-based ray tracer was written in Julia and run on the GPU, with…
A question of time - Parisian Fields
A Parisian Fields post on the pneumatic clocks of 1880s Paris, a network of compressed air pipes that pulsed every minut…
A Regular Expression to Check for Prime Numbers
The famous trick of testing whether a number is prime using nothing but a regular expression on a string of ones, explai…
A Revolution in Biology?
An essay on how developmental biology and bioelectric signaling might hold clues to how bodies form, how intelligence ar…
A Short Introduction to Automotive Lidar
A clear guide to how lidar works in self-driving cars, covering time of flight, scanning methods, wavelengths and the tr…
A Symphony of Color: Mary Gartside on Light and Shade
A Winterthur blog post on Mary Gartside's 1805 Essay on Light and Shade, an early color theory book by a woman, with its…
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A Telescope Chronology
A history-of-science blogger lays out the real early timeline of the telescope, showing that Galileo neither invented it…
A truly incredible fact about the number 37
A playful number theory blog post explaining why 37 turns up as the median value of the second prime factor of an intege…
A Visual Proof That Neural Nets Can Compute Any Function
Michael Nielsen's chapter with interactive widgets that show step by step why neural networks can approximate any functi…
A* Tricks for Videogame Path Finding
A visual walkthrough of how game characters find their way, from straight lines and Dijkstra to A-star, with diagrams an…
Acoustic Location and Sound Mirrors
A richly illustrated page on the strange giant ear trumpets, horns and concrete sound mirrors used to hear approaching a…
Adventures in Population Growth
A post of animated GIFs showing how countries' populations grow and age over time, making demographic change easy to see…
Aeon | a world of ideas
Digital magazine publishing essays and ideas on philosophy, science, society, and culture.
After Water
An illustrated story on Longreads about California and what happens to the land, the farms and the people when the water…
Akin's Laws of Spacecraft Design
A famous list of witty engineering maxims from aerospace professor David Akin, such as 'Engineering is done with numbers…
Alain Bombard's Castaway Cuisine
A food-history essay on Alain Bombard, who drifted across the Atlantic in 1952 living on raw fish, plankton and seawater…
Alice A. Ball Is Hidden in History
The story of Alice Ball, the young University of Hawaii chemist who developed the first effective treatment for leprosy…
Alien Assumptions
A short essay arguing that our ideas about aliens smuggle in human assumptions about intelligence, communication and mot…
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