Reference
78 sites
http://lucifer.com/~sasha/thinkers.html
Created by Sasha, this curated directory profiles dozens of influential thinkers, scientists, philosophers, and futurists, from Douglas Hofstadter and Stephen Hawking to Terence McKenna and Noam Chomsky, linking to their homepages, books, and related web resources. It began as a personal acknowledgment of intellectual influences and grew into a comprehensive guide to frontier human thought, complete with mailing lists and forums for discussion.
http://infomotions.com/alex
The Alex Catalogue of Electronic Texts, created by Eric Lease Morgan in 1994, is a curated collection of public domain and open access documents focused on American and English literature and Western philosophy, designed to support a liberal arts education. Visitors can browse thousands of texts by author, title, or tag, with links to repositories like Project Gutenberg, HathiTrust, and the Internet Archive.
https://onlinebooks.library.upenn.edu/
The Online Books Page, edited by John Mark Ockerbloom and hosted by the University of Pennsylvania, catalogs over 3 million free books available on the web, searchable by author, title, subject, and serial. Notable features include a Celebration of Women Writers, a Read Banned Books section, and prize winners available online, making it an essential reference for anyone seeking freely accessible literature.
http://cogsci.uwaterloo.ca/
The Computational Epistemology Laboratory at the University of Waterloo, led by Professor Paul Thagard, serves as a research hub for cognitive science and philosophy of mind. Visitors can access downloadable software tools like COHERE, ECHO, and DIVA written in LISP and Java, alongside curated bibliographies and a glossary for cognitive science research.
https://zhongwen.com/
Zhongwen.com offers a comprehensive Chinese-English etymological dictionary focused on traditional Chinese characters, tracing the pictographic and historical origins of each character. Learners of Mandarin and linguistics enthusiasts alike will find it invaluable for understanding how Chinese writing evolved from ancient pictographs through sources like the Shuowen.
https://nndb.com/
NNDB is a massive biographical intelligence aggregator with over 40,000 profiles documenting notable people, both living and dead, along with their connections to one another. Its standout feature, the NNDB Mapper, lets users visually explore relationships between people through family ties, corporate boards, political alliances, and more.
http://khake.com/page19.html
The Vocational Information Center's Electronics Career Guide is a comprehensive reference hub listing dozens of electronics-related job titles, from Avionics Technician to Broadcast Engineer, with links to salary data, skill requirements, and training pathways. With over 360 links covering career descriptions, certification resources, tutorials, and industry schools, it serves as a thorough one-stop guide for anyone exploring a career in the electronics field.
https://itl.nist.gov/div898/handbook/index.htm
The NIST/SEMATECH e-Handbook of Statistical Methods is a comprehensive online reference produced by the National Institute of Standards and Technology, covering statistical techniques used in science, engineering, and manufacturing. It serves as an authoritative guide for practitioners needing rigorous, well-documented methods for data analysis, quality control, and process improvement.
https://webexhibits.org/butter
A richly written educational exhibit exploring the history, global traditions, composition, and making of butter across human civilizations. From ancient Mesopotamia to modern French farms, this webexhibits.org feature treats butter as a cultural and culinary artifact worthy of deep exploration.
https://madsci.org/
MadSci Network is a nonprofit Ask-A-Scientist platform where a collective of real scientists answer user-submitted questions across biology, chemistry, physics, astronomy, and more, with over 36,000 archived answers available. The site also features science fair resources, FAQs on common topics like bread molds and caffeine, interactive labs, and a Random Knowledge Generator, making it a rich hub for curious minds of all ages.