Education
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Drive Route 66
A 3D flyover of all 2,199 miles of Route 66, scrolled mile by mile past 280 towns, diners, and motels with real elevatio…
Driving Faster Takes Longer
A math blog post that starts from a simple question about speeding between Boston and New Haven and arrives at a surpris…
Drone Flying 101
An interactive tutorial that teaches beginners how FPV drones fly, with a simulator so you can try throttle, angle and a…
Drop The Adverb
A writing tool that replaces weak verb and adverb pairs with a single stronger verb, helping authors tighten prose and g…
Drummer Resources
A free library of drumming worksheets, exercises and transcriptions from a drum tutor, covering practice material for dr…
ds106
An open digital storytelling course with a huge bank of assignments across video, audio, image and web, plus years of pa…
Dsxyliea
An interactive demo that simulates what reading is like with dyslexia, with letters that seem to jump around, built by a…
Dual N-Back
A free, widely studied working-memory trainer where you track two simultaneously shifting sequences at once, with diffic…
DubstepKazoo's Dumping Ground
A rambling personal site with pages on constructed languages like Esperanto, Occidental and Globasa, English spelling re…
Duchamp Research Portal
A shared archive from the Philadelphia Museum of Art and Centre Pompidou with letters, notes, photos and artworks tracin…
Dune as Plato's Republic Reimagined
A reader's essay on the last Dune novels, Heretics and Chapterhouse, arguing that they reimagine Plato's Republic and it…
Duolingo - The world's best way to learn a language
Gamified language-learning app offering free interactive lessons across dozens of languages.
Duotrope
A searchable database of thousands of fiction, poetry, and nonfiction markets, tracking who is publishing what across th…
Durat.io
A calculator for time expressions where you type things like 08:00 until 16:30 minus 1 hour and get durations, with conv…
Dutch Genealogy
A genealogy blog for finding your Dutch ancestors, with guides to Netherlands records, archives, surnames and practical…
DVIDS
The U.S. military's distribution hub for news, images, audio, video, and publications from operations worldwide, with a…
DW Learn German
Free German courses from Deutsche Welle for levels A1 to C1, with interactive exercises, audio and video lessons for lea…
Dwarf Fortress Wiki
An exhaustive community-maintained wiki documenting the mechanics, modding, and lore of Dwarf Fortress, one of gaming's…
Dynamic Dialects
An archive of recorded native speaker accents from around the world, built as a training resource for actors and dialect…
Dynamicland
A research community prototyping a humane computing medium where the computer is a room, with videos and talks showing p…
E. Simms Campbell
Scans and history of E. Simms Campbell, the first Black cartoonist published in national magazines and creator of Esquir…
e.e. cummings free poetry archive
A clean, free archive of e.e. cummings poems that adds each book as it enters the public domain, starting with Tulips an…
Earbirding
A blog by the author of the Peterson Field Guide to Bird Sounds about recording, identifying and interpreting bird calls…
Early Modern India: A Select Glossary
Frances Pritchett's A to Z study glossary of places and terms from early modern India, with short entries and illustrati…
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