Science
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Neural network training makes beautiful fractals
A visual essay showing that the boundary between settings where a neural network trains and settings where it blows up i…
NeuroLogica Blog
A daily science blog by neurologist Steven Novella applying skepticism and critical thinking to neuroscience, pseudoscie…
Neuroscientifically Challenged
A plain-language neuroscience blog offering short video explainers and glossary posts that break down brain structures a…
NM Geology Virtual Tour - Shiprock
A stop on New Mexico's geology virtual tour explaining Ship Rock, the towering volcanic neck rising from the desert, wit…
Obituary for Cyc
An in-depth essay on Cyc, the forty-year project to hand-code common sense into a computer, covering its millions of rul…
Ocean Conservancy
A marine conservation nonprofit publishing research-backed articles on ocean health, plastic pollution, and the animals…
Oceana Marine Life Encyclopedia
A browsable encyclopedia of ocean animals and ecosystems, from sharks and sea turtles to coral reefs, with conservation…
Olaf: Acoustic Fingerprinting on ESP32 and in the Browser
A write-up of Olaf, an acoustic fingerprinting system that identifies audio on a tiny ESP32 microcontroller and also run…
Old vs. New Growth Trees and the Wood Products They Make
A millwork shop explains how old-growth and new-growth timber differ in grain, strength and stability, and why that matt…
Oliver Byrne's Euclid
A look at Oliver Byrne's 1847 edition of Euclid, which replaced letters with bold red, yellow and blue shapes and became…
Oliver Heaviside and the Theory of Transmission Lines
A clear technical note on how Heaviside reshaped electrical signaling theory, explaining waves, impedance and distortion…
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On Geek Versus Nerd
A machine-learning researcher uses Twitter data to chart which words lean geek and which lean nerd, with a scatter plot…
On The Fuel Efficiency of Launching My Enemies Into The Sun
A playful orbital-mechanics essay that works out, with real equations and footnoted jokes, why launching something into…
Open Source Seeds Loosen Big Ag's Grip on Farmers
A feature on the open-source seed movement, where breeders license varieties for free sharing so farmers can save, trade…
Orchid Fever
Susan Orlean's 1995 New Yorker essay about John Laroche, a toothless, obsessive orchid poacher in the Florida swamps - t…
Our World in Data
A nonprofit research platform offering free data, charts, and articles on global problems like poverty, health, and clim…
Overview of the Galaxy
A deep, well-illustrated guide to the Milky Way, from naked-eye observation to modern spectral methods, covering galaxy…
Packing Billions of Concepts into 12,000 Dimensions
A clear, visual explanation of the Johnson-Lindenstrauss idea: why a space with thousands of dimensions can hold far mor…
Paper sizes
An illustrated explainer of how the A-series paper sizes work, why the ratio is the square root of two, and how they com…
Parametric Press
A born-digital magazine that pairs long-form science journalism with fully interactive charts and simulations readers ca…
People Who Can't Picture Anything Are Rewriting the Science of Imagination
How research on aphantasia, the absence of mental imagery, is overturning assumptions about the brain networks behind im…
Phased Array Microphone
A project writeup on building a 192-channel phased array microphone with FPGA data acquisition and live beamforming that…
Philip K. Dick: If You Find This World Bad
Extracts from Philip K. Dick's 1977 speech If You Find This World Bad, You Should See Some of the Others, where he argue…
Photogrammetry on Commercial Flights
A hobbyist tries to build 3D models of landscapes from airplane window photos, working through the challenges of speed,…
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