An electronic archive of articles by Karl Dahlke on topics ranging from high school geometry up to graduate level topology.

Resources for teaching all levels of K-12 math.

Overview of seminars oriented towards problem solving. Includes sample problem sets, list of online resources, college mathematics journals, and useful books. Maintained by Andrew Bernoff (Harvey Mudd College).…

Compiled by Doris Schattschneider, Moravian College.

Survey information for the Land Surveyor involved in the survey and retracement of the Public Land Survey System

Manufacturer of laser systems for construction alignment.

Ocean Drilling Project (ODP) microfossil collections.

Database of dinosaur publications organized by the paleontologists who authored them.

An alphabetical listing by author of published papers about ichthyosaurs, marine turtles, mosasaurs and plesiosaurs.

Excerpts and commentary with reproductions of some of Elihu Vedder's illustrations.

Commercial database of more than 120,000 3D molecular structures expressed in CML (Chemical Markup Language) format.

Database holding information on fundamental physical constants, atomic spectra, molecular spectroscopic data, ionization data, X-Ray and Gamma-Ray data, radiation dosimetry data, nuclear physics data, and condensed matter physics data.…

Single page of several hundred chemicals, sorted by name, with associated dielectric constant.

Offer steel, iron and spectrochemical RM, PDF downloads include catalog from BAS CRM distributor for New Zealand and Australia.

Directory of websites with information on radiation safety, (both ionizing and non-ionising); advice on radiation protection; and links to UK legislation.

Covers controls, ships, weapons, worlds, facilities, and tactics.

Describes controls, planets, ships, and projectiles.

Includes weapons and game information.

Reviews, codes, and hints.

Contains a walkthrough and cheats. (Playstation 2)