| (Germany)_University_of_Bremen Katmat. Research Group on Categorical Methods in Algebra and Topology. German/English site. |
| (Portugal)_University_of_Coimbra Categories at Coimbra. Members, meetings, reports, resources. |
| (South_Africa)_Cape_Town_Research_Group Universities of Cape Town, Stellenbosch and the Western Cape. Members, activities, outputs, links. |
| (UK)_University_of_Leicester Computational Category Theory Project group. People, activities, software. |
| (UK)_University_of_Wales,_Bangor Computational Category Theory (part of The Computational Category Theory Project). People, activities, software. |
| Cerium Data tables and historic information. |
| ChemicalElements_com__Cerium Basic information, atomic structure, and isotopes. |
| EnvironmentalChemistry_com__Cerium Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Cerium Basic physical and historical information. |
| LANL__Cerium Sources, properties, and uses. |
| Lenntech__Cerium Physical data, chemical properties, health and environmental effects. |
| Visual_Elements__Cerium Image, animation, uses, general and physical information, and key isotopes. |
| WebElements__Cerium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Cerium Properties of the element, including its history, applications, and characteristics. |
| ChemicalElements_com__Gadolinium Basic information, atomic structure, and isotopes. |
| Corrosionsource_com__Gadolinium History, occurrence, properties, isotopes, and uses. |
| EnvironmentalChemistry_com__Gadolinium Atomic structure, chemical and physical properties, and table of nuclides. |
| Gadolinium Data tables and historic information. |
| It\'s_Elemental__Gadolinium Basic physical and historical information. |
| LANL__Gadolinium History, sources, properties, and uses. |
| Lenntech__Gadolinium Physical data, chemical properties, health and environmental effects. |
| Visual_Elements__Gadolinium Image, source, uses, physical information, and key isotopes. |
| WebElements__Gadolinium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Gadolinium Properties of the element, including its history, applications, and characteristics. |
| Aerospace_Systems,_Concepts,_and_Analysis NASA's Langley Research Center in Hampton, Virginia. Includes organization, key personnel, mission, activities branches, and space-related bulletin boards. |
| Applied_Technology_Space_and_Satellite_Training Offers overview of courses provided in spacecraft design for engineers and scientists. |
| Association_RADECS RADiation and its Effect on Components and Systems. Updated information about RADECS association and RADECS conferences will be available on this site in English. |
| Astronautics_and_Spacecraft_Design Offers an aerospace professor's comprehensive and updated collection of spacecraft design links. |
| Communications_Satellite_Software SATSOFT is used for communication satellite antenna design, analysis, and coverage planning. Quickly assess antenna coverage and gain, conduct antenna sizing studies, develop shaped beam and multibea |
| Discovery_Program_Documents Discovery guidelines and requirements documents. Good reference collection. |
| Drag-free_satellites_ Experimental gravitational physics using drag-free satellites. |
| eclipse_aerospace Add-ons for orbiter space flight simulator created for educational purposes and includes spacecraft, satelittes, interplanetary probes and surface bases. Also competing in the virtual x-prize. |
| European_Space_Components_Information_Exchange_System Facilitates European space industry to share information on satellite components |
| GAO_Space Description of GAO Associates plus source of free code for space applications and support for aerospace. |
| JPL_Part_Reliablility Guidelines for parts selection and space reliability.COTS parts used in Space applications. |
| Laboratory_for_Spacecraft_and_Mission_Design A laboratory of the California Institute of Technology dedicated to developing low cost conceptual spacecraft design tools for concurrent space systems engineering. |
| Manned_Mission_To_Mars__Manned_Mars_Vehicle_System_Final_Report An analysis of the viability of a potential manned mission to Mars. |
| NASA_Lessons_Learned NASA Lessons Learned Information System. Appears access is restricted to NASA and approved contractors. |
| NASA_Parts_Selection_List Provides catalogs and specifications for electrical, electronic, and electromechanical (EEE) parts to use in space systems. |
| QuakeSat_small_satellite_-_Stanford_University A small satellite project to detect earthquakes from outer space, developed by students at Stanford University and Quakefinder in Palo Alto, CA |
| The_Radiation_Environment Radiation environment for space. |
| Radiation-effects_com Provide radiation effects services including measurements, data analysis, environment defintion, and technology assessment for space applications. |
| Robonaut_from_NASA/JPL/DARPA The Robonaut project seeks to develop and demonstrate a robotic system that can function as an EVA astronaut equivalent. |
| Rosetta_Spacecraft_Design The Rosetta mission is an interplanetary mission whose main objective is to rendezvous with and make in-situ measurements of comet 46 P/Wirtanen. Design drivers and requirements. |
| Slate_-_Where_Satellites_Go_When_They_Die Describes the process of and planning for decommissioning and "parking" of geosynchronous satellites. |
| Small_Satellites_Home_Page Extensive collection of information on small satellites (nano-satellites and larger) and their uses. |
| Software_Engineering_and_Standardisation_Section,_ESA Provides documentation, tools and project news from the spacecraft software section of the European Space Agency. |
| Space_Design_Links Links on satellite cost, thermal and environmental design. |
| Space_Environment_and_Effects_Section,_ESA Provides data and tools on radiation, debris and other effects on space systems in flight. Includes scientific articles and events. |
| Space_Environment_Links Offers comprehensive directory. |
| Space_Environments_&_Effects_Program NASA's space environment program. Features overview, news, flight experiements, mathematical models and publications. |
| Space_Mechanical_&_Thermal_Engineering_Group Design of space flight instruments, providing a range of services from conceptual studies to detailed design and analysis and the definition and management of tests. |
| Space_War Site exploring the past, present, and future of space warfare. |
| Spacecraft Weblog for Discussion of Spacecraft Design, Dynamics and Control, and News. |
| Spacecraft_Technology_Center_at_Texas_A&M_University STC promotes commercially funded engineering research and technology development using the International Space Station (ISS) or other orbiting platforms as a test bed for developing and validating adv |
| SpaceWire_UK Design services for the space industry, focusing mainly on SpaceWire, the new communications standard adopted by ESA and NASA for future missions. |
| Starnav_1_experiment_mission_web_site Starnav 1 startracker experiment that flew on STS-107 Columbia mission. |
| Centre_for_Fortean_Zoology A non-profit-making organization studying various Fortean and cryptozoological phenomena. |
| Global_Underwater_Search_Team The leading edge in cryptozoological search and research world wide. |
| Institute_for_the_Investigation_of_the_Unknown An organization dedicated to the search for unknown animals. Includes links, a calendar, pictures, and sound clips. |
| International_Fortean_Research_Society An international organization that investigates all unexplained/Fortean phenomena. |
| International_Society_of_Cryptozoology Offers news, history, publications, and membership information. |
| Credit_Derivatives Offers an introductory primer, detailed reference, and current news on this financial instrument. By Vinod Kothari. |
| Damodaran Comprehensive site about topics of financial theory, with a focus in Corporate Finance, Valuation and Investments. Updated Data, Excel Spreadsheets and Papers. |
| Derivatives-on-line Overview of financial derivatives modelling with focus on option pricing. |
| EDIRC_-_Financial_Economics_Institutes Directory of links for Economics Departments, Institutes and Research Centers around the World. |