| UK_astronomical_data-center Data center that is part of the Cambridge Astronomy Survey Unit providing a selection of data from the UK's ground based telescopes. Includes archives, and catalogs. |
| The_UnOfficial_Chandra_Data_Archive_Search Provides a search tool for the Chandra X-Ray Observatory secondary data products archive. |
| USGS_Planetary_GIS_Web_Server_ Mapping interface that will integrate powerful Geographic Information Systems (GIS) graphical, statistical, and spatial relational tools for analyses of planetary datasets. |
| The_UTR-2_Catalogue Provides a low frequency sky survey of discrete sources obtained in the Institute of Radio Astronomy of the Ukrainian National Academy of Sciences. Images from the UTR-2 radio telescope at a number of |
| The_VLA_FIRST_Survey Faint images of the radio sky at the wavelength of 20 centimeters. |
| The_Web_Nebulae Features images of Nebulae organized by Bill Arnett. Includes glossary, image list, and sources. |
| American_Welding_Society Devoted to promoting welding and related processes, and to supporting all those who contribute to the industry, with links to related sites and services. |
| Applied_Welding Quarterly online magazine with information about the latest process and product technologies. Past issues available. From Miller Electric Mfg. |
| Bohler_Thyssen_Welding Customer support and training, technical hot line, help on welding. |
| CWT_National_Welding_Certification_Testing_Bureau Serve the welding industry, and help maintain the publics safety through the administration and issuance of certifications and accreditations in welding, or inspection and testing. |
| Edison_Welding_Institute A non-profit engineering and technology resource organization serving the welding and joining needs of industry. Expertise in processes from arc welding to adhesive bonding and materials ranging from |
| Hobart_Institute_of_Welding_Technology Committed to helping individuals develop marketable welding skills through quality training at minimum cost. |
| The_Navy_Joining_Center A national resource committed to developing, deploying and disseminating materials joining technology to the U.S. Navy, its contractors, and U.S. industry. |
| Pulsar_Cold_Magnetic_Pulse_Welding A basic tutorial on how the magnetic pulse system works. |
| Quality_Control_of_Resistance_Welding Information about the quality control of resistance welding using non-destructive evaluation, statistical process control and adaptive control systems. Resistance welding literature, troubleshooting i |
| Research_Group_on_Welding_Modeling_at_Penn_State Develops computer models and new experimental tools to solve materials processing problems, especially the application of transport phenomena to quantitatively understand metals processing, particular |
| Resistance_Welding List of resources and suppliers. |
| TWI_-_World_Centre_for_Materials_Joining_Technology Industry organization with database on welding processes, properties of welded joints, weldability of materials and other allied technologies. Case studies from many industrial area. Software, FAQs an |
| Welding_and_Cutting Technical, scientific, magazine covering welding, cutting and soldering technology and related fields. |
| Welding,_Bonding_and_Fastener_Engineering_Forum_at_Eng-Tips Technical support forums and mutual help system for engineering professionals. |
| Welding_Extensions The history, uses and the economics of welding rod extensions. |
| Welding_Links Some useful links to various welding sites. Some technical information. |
| Welding_Technology_Institute_of_Australia Welding and joining technology support centers for Australian industry. |
| Asian_Regional_Research_Programme_in_Energy,_Environment_and_Climate,_ARRPEEC Conducting research on energy-environment-climate issues in Asia. Objectives include mitigation of greenhouse gases and other hazardous emissions. Centered in Bangkok, Thailand. |
| Avian_Collision_and_Electrocution__An_Annotated_Bibliography California Energy Commission compilation of information about losses of birds due to collisions with power lines, towers, wind turbines, and other structures, and from electrocution by power lines. |
| Coal_Combustion,_Inc_ Provides coal and power industries with sound coal quality and utilization services through classes, seminars, and training. Offers articles, publications, and stories. |
| CoalBed_Methane_Coordination_Coalition Wyoming group concerned with protecting ownership and lease rights, preventing waste or damage to natural resources, providing safe working and living environments, and other aspects of coalbed methan |
| Electrotechnology_Applications_Center Provides confidential assistance to businesses to improve productivity, increase energy efficiency, and achieve and maintain environmental compliance. |
| Energy_-_Ministère_des_Ressources_naturelles Information on how the Québec government and its partners develop, distribute and manage natural resources, in particular hydro-electricity and new forms of energy such as solar and wind energy. |
| Environmental_Organization_WebDirectory_-_Science_Energy Energy planning, alternative fuels, geothermal, energy conservation, energy efficient housing, and heat pumps. |
| Environmental-Expert_com articles, events, software, and web resources for energy and renewable energy. |
| EPA_Clean_Energy_Site EPA site to supply information on clean energy programs. Home of Power Profiler and eGRID. |
| Green_Energy_Project Information on "green energy" sources, energy-related emissions and their environmental impacts, and economic benefits of emissions reductions. |
| International_Energy_Agency__Environment Policy analyses on several topics related to energy technology and the environment. |
| Modern_Dragons__Threatening_Global_Disaster Essays on various topics related to energy and the environment. One essay argues that sensationalization of threats from nuclear power has created a public phobia similar to the irrational fear of dra |
| National_Photovoltaic_Environmental,_Health_and_Safety_Assistance_Center Information and analysis on environmental aspects of photovoltaic (solar electric) technology, including concerns about heavy metals in solder. Funded by the U.S. Department of Energy. |
| Renewing_India A site dedicated to energy and environment in India. An exhaustive information on all forms of renewable energy and energy efficiency, energy policies, news, newsletters, and articles. |
| Roy\'s_Home_Page Information and analysis on the human and environmental impacts of hydroelectric projects and other energy technology, dam safety, integrated resource planning, and other topics. Includes comparative |
| Safe_Waste_And_Power A consultancy company that promotes the use of Plasma Gasification for waste disposal and power generation. Describes what it is and how it works. |
| SGA_Energy_Limited Environmental consulting firm of engineers and economists performing studies on renewable energy development, climate change topics, and other aspects of energy and environment, in Canada and internat |
| Solar_Electric_Light_Fund non-profit charity which promotes solar rural electrification and energy self-sufficiency in developing countries. |
| Solar_Site Lists innovative uses of solar energy used around the planet. |
| Tata_Energy_Research_Institute,_TERI A non-profit, scientific and policy research organization, working in India and globally in the fields of energy, environment and a whole range of sustainable development issues. |
| Thermal_Energy_Group The Termal Energy Group at the Norwegian University of Science and Technology (NTNU) carry out scientific research and education within conversion of natural gas, oil and solid fuels to mechanical wor |
| Union_of_Concerned_Scientists__Clean_Energy Examines benefits and costs of energy use, and promotes energy technologies that are renewable, safe, and cost-effective. |
| Western_Research_Institute Conducts research and develops technologies for mitigating environmental effects of energy technologies. Includes information on coal, ash, heavy oil refining, alternative fuels, spill remediation, an |
| About_com__Chemistry_of_Firework_Colors Discusses incandescence and luminescence and provides table of compounds used to produce firework colors. Links to related sites included. |
| APA_-_American_Pyrotechnics_Association APA is trade association of the United States of America |
| British_Pyrotechnics_Society A source of information and interest to people interested in the operation, and construction of fireworks and pyrotechnic devices. |
| Classifications_of_Fireworks_in_the_U_S_ Bob Weaver explains the classification codes. |
| IPS_-_International_Pyrotechnics_Society The Society for International Pyrotechnicians. Each year the IPS organises a symposium. |
| IPSUSA__-__International_Pyrotechnics_Seminars,_USA,_Inc_ International Pyrotechnics Seminar USA, Inc. |
| Pains_Wes_Australia_Pty_Ltd_ Manufacturer and supplier of civilian and military pyrotechnics, marine distress signals and sea search and rescue equipment including EPIRB's. |
| PGI_-_Pyrotechnics_Guild_International Worldwide membership organization dedicated to the advancement of safety, skill, and artistry in pyrotechnics. For all ages, both professionals and amateurs. |
| Pyro_Purity_Test How much of a pyro are you? Take this test to find out. |
| Pyro_Universe History of fireworks, safety tips, pyrotechnics glossary, forum, chat room, and tips for putting on your own display. |
| Pyrotechnics Stories about pyrotechnics, experiments, photo galleries. |
| Andromeda_Galaxy Information about the Andromeda Galaxy with descriptions and pictures. |
| Arp\'s_Catalog_of_Peculiar_Galaxies Summarizes the catalog of 338 peculiar galaxy views gathered by Dr. Halton C. Arp. |
| Atlas_of_the_Andromeda_Galaxy Contains information and tables about the Andromeda Galaxy. |
| Classifying_Galaxies Includes pictures and a lesson for learning Hubble's system of classification. |
| Complete_Spiral_Galaxy_Pictures_Gallery Contains over 600 pictures of all spiral galaxies larger than 3 minutes of arc for all constellations in the Northern and Southern celestial hemispheres. |
| DIRECT_Project_Homepage Determining the distances to nearby galaxies. |
| Dust_in_Spiral_Galaxies HST and ISO Results. |
| European_Network__The_Formation_and_Evolution_of_Galaxies Purpose is to understand the creation of galaxies and the universe has evolved. Plans to study distant galaxies at optical, infrared, and radio frequencies. |
| Extragalactic_bookmarks List of resources dedicaced to extragalactic astronomy: Databases, projects, education ... |
