| National_Safe_Skies_Alliance An FAA-funded, non-profit, membership-based organization that serves aviation by providing impartial and effective testing and evaluation of safety and security systems. |
| The_National_GPS_Network Resource from the UK Government intended for GPS-equipped surveyors, and Geographic Information Systems (GIS) developers who work with Ordnance Survey (OS) mapping. Includes the Passive Station Databa |
| Entropy_and_the_Second_Law_of_Thermodynamics Novel, informal, qualitative -- but substantial -- introduction to entropy and the second law of thermo, concluding with the Gibbs equation as "all entropy". |
| Digital_Data_Technologies,_Inc_(DDTi) Road centerline and address base mapping for GIS and E9-1-1. |
| Evolutionary_Psychology__The_Ultimate_Origins_of_Human_Behavior Online text by Jack and Linda Palmer on evolutionary aspects of human behavior in contexts such as mate selection and the development and maintenance of social hierarchies. Topics include human origin |
| Mandelbrot_Explorer Freeware package allowing simple, colourful, customisable exploration of the Mandelbrot and Julia sets. |
| Cell_Biology Topics by organelle system, as part of the interactive learning program at the University of Arkansas for Medical Sciences, Little Rock, AR. |
| DELPHI Experiment at LEP collider at CERN. |
| Wastechange Free European commercial waste exchange. Helps European commercial waste producers and waste users to locate cost effective recycling solutions for all categories of commercial waste and by-products |
| Surfaces,_Thin_Films,_Multilayers Magnetic properties of nano structures by Conversion Electron Moessbauer Spectroscopy - CEMS. Department of solid state Physics, Krakow, Poland. |
| Az_Instrument_Corp_ Developer and manufacturer of hand held test and measurement instruments, for measuring pH, temperature, millivolts, and other laboratory values. |
| Problems_in_Graph_Theory Maintained by Peter Cameron. |
| Laboratory_of_Seismics_and_Acoustics Delft University of Technology |
| Computers_in_Physics An archive of CIP (Computing in Science and Engineering) materials. They include an index to all 12 volumes, source-code listings, historical information on the CIP annual educational software contest |
| Marine_Biotoxins About natural toxic algae in the coastal environment. From the Center for Coastal Environmental Health and Biomolecular Research Biotoxin division of the Department of Commerce, NOAA, and NOS. |
| Pulse_Sequence Vector models, examples and theory for JMOD, DEPT, INEPT, COSY, CAPT, HMQC. Part of a course notes section. |
| University_of_Prince_Edward_Island Department of Mathematics and Computer Science |
| Northern_Arizona_University__Department_of_Geography_and_Public_Planning Features information on Geography Awareness Week, the Remote Sensing page, and courses, faculty and staff. |
| Duke_University_Graduate_Program_in_Ecology Offers a choice of a PhD in ecology or Certificate of Graduate Study in Ecology. |
| Brain_Connection An online source of information about the brain for educators, parents, students and teachers. |
