Education
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Digital Public Library of America
An aggregator giving free access to over 50 million photographs, manuscripts, maps, and artifacts from American librarie…
DiGRA: Digital Games Research Association
The site of an international academic association dedicated to game studies research, hosting conference proceedings and…
Dimensions
A reference database of dimensioned drawings documenting the standard sizes of everyday objects and spaces, from furnitu…
Dino Directory
The Natural History Museum London's illustrated directory profiling more than 300 dinosaur species with facts, sizes, an…
Disability Simulator
Interactive simulations that let you experience web accessibility challenges the way people with different disabilities…
Discography of American Historical Recordings
UC Santa Barbara's searchable discography documenting and streaming master recordings from the 78rpm era of American mus…
Discover Life
A massive identification and mapping tool covering hundreds of thousands of species, built by researchers as a free glob…
Discover Magazine
A science magazine with entertaining, thought-provoking coverage that turns curiosity into understanding through expert…
Discover Poetry
A poetry site with collections of famous poems, a daily Poem of the Day, and teaching resources for readers and educator…
Discrete Logic Network Card
A build log of a 10BASE-T Ethernet transceiver made entirely from discrete logic chips, with schematics, scope traces an…
Discrete Mathematics: An Open Introduction
A free, open-licensed college textbook on discrete math with online reading, PDF download, exercises and interactive exa…
Disney Animation Filmmaking Process
An interactive walkthrough of Walt Disney Animation Studios' pipeline that follows a film from sequence to shot to frame…
Disorderly
A daily trivia puzzle where you put groups of items in the right order by date, size, value, population or location, wit…
Distance to Mars
If Earth were 100 pixels wide, how far away would Mars be? Scroll sideways through an enormous empty page to feel the re…
Distill
A machine learning research journal that published interactive, visually rich explanations of neural networks and their…
distillatio.wordpress.com
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distillatio
A blog about medieval and Tudor alchemy and chemical technology, digging recipes for distillation, sealing vessels and s…
District
A short browser game about representation and gerrymandering, where you draw voting districts and see how the same votes…
Disused Stations
A vast photographic record of Britain's closed and abandoned railway stations, documenting platforms and buildings left…
Divergent Association Task
A quick creativity test where you name ten words as different from each other as possible, then get a score based on how…
Divide by Depth for Instant 3D
A friendly walkthrough of how 3D cameras and perspective actually work in games, showing that dividing by depth is the t…
DivineComedy.digital
A digital humanities project for Dante's 700th anniversary: walk through Inferno, Purgatorio and Paradiso canto by canto…
DIY Book Scanner
A community hub for building your own book scanner, with plans, parts lists, and forums where hobbyists share designs fo…
DJ Ape's Sudoku & Kakuro
A veteran puzzle constructor's free archive of Sudoku, Kakuro, and other number-logic puzzles, generated fresh at multip…
DNA Learning Center
Cold Spring Harbor Laboratory's genetics education site with animations and interactive activities explaining DNA, hered…
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