| DAP Preliminary new kitplane analysis that allows you to evaluate a new airplane, or performance changes resulting from modifications. |
| DARcorporation Airplane design, analysis & drafting Software. Also offers consultancy and testing services. List of references and clients. FAQ and evaluation programs. |
| Diversified_International_Sciences_Corporation Specializing in Air Traffic Control (ATC) Services, Information Technology Services and the Atom System. Provides systems, services and consulting expertise. |
| Flight_Gear_Flight_Simulator Open Source flight simulator. Source code is available here, and it can run on Windows, Linux, Mac platforms. |
| FlightGear_Flight_Simulator An open-source, multi-platform, cooperative flight simulator development project. Source code for the entire project is available and licensed under the GNU General Public License. The goal of the pro |
| Hanley_Innovations Aerodynamics and Airfoil Analysis Software for Windows. Test airfoils, eBooks about aerodynamics, plot airfoil sections for airplane constructions. |
| High_Plains_Engineering Offers tools for flight control system design and flight test simulators, handling qualities, aircraft dynamics, data analysis and tests. |
| JSBSim_Flight_Dynamics_Model A free, open source, multi-platform flight dynamics model written in C++. New aircraft models do not require additional code. |
| Public_Domain_Aerospace_Software Software for the Aerospace Engineer. Site has free sample downloads. CD for sale containing many useful programs, including Digital DATCOM. |
| RocFlight__Rocket_Trajectory_Software Windows based, planar rocket trajectory software for launch vehicles traveling through the standard earth atmospheric model. Includes a database of common high power/model rocket motors, an optimal m |
| Rotordynamics-Seal_Research Offers consulting in rotordynamics as well as seal and bearing analysis software for hydrostatic, hydrodynamic, foil, magnetic and rolling element bearings. |
| Satellite_Tool_Kit Analytical engine to calculate data and display multiple 2-D maps to visualize various time-dependent information for satellites and other space-related objects such as launch vehicles, missiles, and |
| Scientific_Engineering_Research Offers programs for vibration analysis of non-linear rotor-bearing-foundation systems. By linearization in the vicinity of a stable equilibrium position or by direct solution of the non-linear differe |
| Xpatch High-frequency radar signature analysis and prediction software. |
| Zona_Technology Advanced aeroelastic, aeroservoelastic, flutter and flight loads software products. |
| Precambrian_Fossils Possible Precambrian trace fossils collected in the Van Horn region of Texas. |
| Virtual_Ichnology Computer model of trace fossil development through time. Part of the Computational Paleontology website. |
| Basic_Fish_Anatomy Outline of the external features including body shape, head, fins, gills, lateral line, coloring and swim bladder. |
| Dictionary_of_Ichthyology Defines terms used in the study of fishes and fisheries. |
| Fish A brief outline of the essential features of fish biology. |
| Fish_Keeping_Terms Glossary of technical terms used in fish biology. |
| Fish_on_Line A computer-based course on ichthyology for students in biology or environmental science. |
| The_Ichthyological_Society_of_Japan ISJ was established in 1968 to advance the study of fishes and fish biology. There is a meeting each October and it publishes members papers and the Japanese Journal of Ichthyology. In English and Jap |
| The_Identification_of_Oestrogenic_Effects_in_Wild_Fish Technical report into the occurrence of intersex in roach and gudgeon and the role played by treated sewage effluent in the feminizing effects observed in UK roach populations. |
| The_Impact_of_Environmental_Levels_of__Aquatic_Contaminants_on_Atlantic_Salmon Research into the impact of agricultural pesticides on sensitive stages of the life history of Salmonids. [PDF] |
| Induced_Reproduction_in_Fish Many species of fish will not readily reproduce under certain culture conditions. This article describes the natural breeding cycle and the induction of spawning. |
| NetMax’s_Aquaria_Site__Reproduction Information on fish reproduction and the rearing of fry, concentrating on the species usually found in aquaria. |
| New_Zealand_Native_Freshwater_Fish_Society_ This group hopes to raise awareness of native fish and increase scientific knowledge of them to try to prevent more from becoming extinct. |
| Technology_for_Fish_Propagation Janos Bakos provides comprehensive technical data on the conditions necessary for the reproduction of cultivated fish species. |
| Teleost_Fish_Morphology_and_Anatomy Instruction on examining the external and internal characteristics of a fish, as given to students on the marine biology course at Bangor University. |
| HubbleSite_-_Gallery At the official online home of NASA's Hubble Space Telescope exists a gallery of the best pictures that the Hubble has taken. |
| Interactive_Online_Telescope Control a super powerful telescope online with this interactive feature from AOL Research and Learn. |
| Planet_Photo_Gallery View photos of the solar system's planets and get more information on each. |
| Art,_Food_and_Astronomy Exhibition of Old Camembert Boxes, featuring astronomical artwork. |
| Carbon Data tables and historic information. |
| Carbon_and_Life The properties of the many forms of carbon and their importance in life, fuels and emissions. |
| ChemicalElements_com__Carbon Basic information, atomic structure, and table of isotopes. |
| The_Chemistry_of_Carbon Diagrams and VRML models of the element. |
| EnvironmentalChemistry_com__Carbon Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Carbon Basic physical and historical information. |
