Ancient Web: Purdue Walked Students from Hydrogen Lines to Bohr Orbits
An old Purdue chemistry tutorial explains quantum theory step by step, with hydrogen emission lines, Planck's photons, Bohr's orbit model, and the model's limitations.
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Ancient Web: Mount Diablo Became a 2003 Stereoscopic Geology Tour
A preserved 2003 Mount Diablo tour documents sandstone, serpentinite, summit scenery, and regional geology through a sequence of linked 3-D images and concise captions.
Ancient Web: Berkeley’s Dilophosaurus Tour Recorded a Paleontologist’s Voice
Berkeley's Dilophosaurus exhibit preserves a narrated tour led by paleontologist Sam Welles and old instructions for playing Sun audio files.
Ancient Web: Anatomy Atlases Built a Free Digital Anatomy Library
Anatomy Atlases and its predecessor projects trace back to 1995, preserving free illustrated anatomy texts, anatomic-variation references, microscopic atlases, and older clinical teaching materials.
Ancient Web: Aesop’s Fables Ran on Perl and RealAudio
John R. Long's AesopFables.com has catalogued fables since February 1997 using hand-maintained indexes, Perl/CGI pages, moral summaries, illustrations, and RealAudio recordings.