Education
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Everything a Child Learns
An interactive graph of 1,590 primary school concepts from US and UK curricula, wired together by prerequisites so you c…
Everything Dinosaur Blog
A frequently updated blog covering new dinosaur fossil discoveries, species descriptions, and paleontology news from mus…
Everything I Know About Floppy Disks
A thorough, friendly walk through how floppy disks work: the physical media, drive mechanisms, tracks, sides, rotation s…
Everything Is Logarithms
A meandering math essay linking logarithms to unexpected places, from baseless logs to entropy and probability, with pla…
Everything2
A long-running community writing site with nearly half a million user-submitted pieces of fiction, nonfiction, poetry an…
Evidence of Fraud in a Study About Procrastination
Data Colada's forensic statistical investigation of a famous behavioral-science study on artificial deadlines, showing s…
Ex Situ
An interactive world map of displaced cultural artifacts, drawing provenance arcs from where objects were made to the mu…
Examining the OED
An Oxford research project digging into how the Oxford English Dictionary was made, with biographies of its editors, vol…
Exceljet Formulas
A searchable reference of over a thousand Excel formula examples with step-by-step explanations and videos, covering XLO…
Excitable cells
An interactive simulation showing how electrical waves in heart-like excitable cells can loop back on themselves and cau…
Executed Today
A daily blog recounting a historical execution that took place on that calendar date, drawn from records across centurie…
Exercism
A free, open source platform offering coding exercises and volunteer mentor feedback across more than seventy programmin…
Existential Comics
A philosophy webcomic dramatizing thinkers and ideas with humor, often paired with notes explaining the concepts.
Experience the Night Watch
A zoomable, clickable, listenable interactive tour through Rembrandt's Night Watch, revealing the details, characters, a…
Experimental History
Adam Mastroianni's essays on psychology, science and how to live, funny and sharp, such as 'So you wanna de-bog yourself…
Explain Git with D3
Type git commands into small sandboxes and watch the commit graph redraw live, showing visually how branch, merge, rebas…
Explain that Stuff
Hundreds of free, plain-English articles explaining how everyday technology and science work, from why giant ships float…
Explained From First Principles
A blog of long-form explainers on technology, science, and philosophy for curious people, including a ground-up walkthro…
Explained Visually
A collection of interactive visual explanations that make hard math and statistics concepts intuitive through explorable…
Explained Visually
A series of interactive visual explanations of hard ideas, from principal component analysis to regression and Markov ch…
explained.ai
A set of deeply illustrated, interactive explainers that unpack how machine learning and statistics concepts like random…
ExplainingComputers
Plain-language guides to computing from Christopher Barnatt, covering hardware, storage, single-board computers, Linux,…
ExplainMyBike Tire Guide
A tool that reads the markings on a bicycle tire, explains what each number means, and helps you work out which tires fi…
explainshell
Paste any shell command and see each flag and argument explained inline, matched against the relevant sections of Linux…
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