Education
2,718 websites · most loved first · page 103 of 114· Tonble one of these
Theorem of the Day
A big gallery of famous theorems, each presented as a one-page illustrated poster with a plain statement, a picture and…
Therapist Aid
A free library of therapy worksheets, handouts, and videos covering CBT, anger management, self-esteem, and relaxation,…
Thermodynamics Textbook
A free engineering thermodynamics textbook by Olivier Cleynen, readable online and open to download, covering the fundam…
Think Like (a) Git
A quasi-tutorial that builds a mental model of Git, helping developers stop memorizing commands and understand branches,…
Think Python
Allen Downey's free online introduction to Python for beginners, presented as readable chapters with runnable Jupyter no…
ThinkBetter
A reference site organizing hundreds of mental models as practical thinking tools for understanding systems and making b…
Thinking Critically About AI Images
A free archived undergraduate course by artist Eryk Salvaggio on the history, context and ethics of AI-generated images,…
Thinky Games
A discovery site devoted to thoughtful puzzle games, publishing recommendations, interviews, and a searchable database o…
THISisCarpentry
An interactive multimedia e-magazine written by carpenters, with detailed, well-illustrated articles on techniques, tool…
Thomas Jefferson's Monticello
Thomas Jefferson's historic Virginia home, with an online encyclopedia covering his life, ideas, and the enslaved commun…
Thomas Morris - Medical Curiosities
Historian Thomas Morris digs up bizarre and fascinating cases from old medical journals, from surprising ailments to Vic…
Thought Maybe
A curated collection of documentary films and series on science, society, history, and culture that you can watch online…
Three-Toed Sloth and Notebooks
Cosma Shalizi's sprawling personal site of notebooks on statistics, complexity, history and science, with opinionated re…
Tiled Art
A guide to Escher-style tessellation art, with galleries, artists, a symmetry classification tutorial and tools to creat…
Tim Burkett's Blog
A Zen teacher's blog from the Minnesota Zen Meditation Center, with reflections on practice, the mind, and living with a…
Tim Harford
Articles, columns, and speeches by Tim Harford, the economist and journalist behind The Undercover Economist, explaining…
Timeless Myths
A long-standing reference site retelling Greek, Norse, Celtic, and Arthurian mythology through detailed narrative summar…
Timeline of the Human Condition
A sprawling single-page timeline of milestones in evolution and history, from the origin of life to the present, with sc…
Tiny Tapeout
An open-source project that lets hobbyists design and fabricate their own tiny silicon chips, sharing die space with oth…
Tirazain
A bilingual Arabic and English archive of Palestinian tatreez embroidery, documenting traditional stitch motifs and patt…
Tlacuilolli
A blog about Mesoamerican writing systems, with accessible write-ups on Aztec codices, glyphs and newly discovered manus…
TLDRLegal
A lookup of software licenses summarized and explained in plain English, showing what you can, cannot and must do under…
TNMOC
The National Museum of Computing, based at Bletchley Park, showcasing rebuilt wartime codebreaking machines and the hist…
Toaq
The home of Toaq, a constructed language designed around logic, with a learning wiki and resources for picking up its gr…
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