| Vacutec Produces hemispherical energy analysers, electron, X ray, ion sources, and sample transfer. Includes list and description of products. |
| Vacuum_Controllers,_From_Hastings_Instruments Hastings Instruments manufactures a complete line of Vacuum Instruments including Vacuum Controllers, for the precise measurement and control of vacuum and gas flows. |
| Vatell_Corporation Produces a line of HFM heat flux microsensors and circular foil heat flux gages. |
| VME_for_Physics_and_Industrie Provides process control, supervisory data acquisition systems and VME scalers and counters. |
| Vorg_Electronics Manufacturer of electronic transformers for halogen lamps, photomultiplier tube bases, cables, electronic transformers, PMT bases, PMT Arrays, transformers, and custom built electronics |
| Voss_Scientific Provides data acquisition and analysis, PC-based satellite telemetry, high-power microwave (HPM) sources, and computational electromagnetic products. |
| Walker_LDJ_Scientific,_Inc_ Manufacturer of magnetic measurement and analysis equipment. In addition, the company manufactures power supplies, laboratory electromagnets, and helmholtz coils. |
| WITec_GmbH Manufacturer of equipment for scientific and industrial applications focused on new solutions for Optical and Scanning Probe Microscopy. |
| X-ray_3-dimensional_Non-destructive_Microscopy Developer and producer of microtomography (Micro-CT) system for non-destructive 3-dimensional microscopy inside opaque objects. |
| X-TRONIX_Scientific_and_Industrial_Technologies Provides equipment for vacuum techniques, including consumables, thin films and surface science, gas flow control, helium cryogenics, and particle physics. |
| Australian_Permaculture_Information_and_Design_Service Information on organic and permaculture agriculture. |
| Central_Rocky_Mountain_Permaculture_Institute,_Basalt,_Colorado Permaculture training in the Colorado Rockies or the Bahamas. Also consulting. |
| David_Holmgren David Holmgren was the research student and co-originator with Bill Mollison, his research supervisor, of the permaculture concept. |
| EcoLandTech Extensive web directory of permaculture and related topics. |
| Eugene_Permaculture_Guild Organization seeks to educate members and the community about the principles of sustainable living. Features photos, events and newsletter. |
| The_Food_Forest A 40 acre permaculture demonstration, and production property at Gawler, South Australia. Offers consulting services, learning courses, information, and tours. |
| Four_Frogs_Permaculture_Design Offers sustainable design solutions for your balcony or backyard. |
| Green_Mountain_Permaculture Teaches and practices permaculture design on the shores of Lake Champlain in northern Vermont. Site also offers a photo galley of projects and articles. |
| Instituto_de_Permacultura_Cerrado-Pantanal Good collection of permaculture information resources, with special focus on projects, courses, people, and newsletters in Brazil. (English, Spanish, and Portuguese languages) |
| International_Institute_for_Ecological_Agriculture Information, reading list, and links on permaculture and community-supported agriculture. |
| Introduction_to_Permaculture__Concepts_and_Resources Appropriate Technology Transfer for Rural Areas (ATTRA) guide to Permaculture. |
| Klein_Karoo_Sustainable_Drylands_Permaculture_Project Klein Karoo sustainable drylands permaculture project is a permaculture eco-village in South Africa |
| Kootenay_Permaculture_Institute Information about the permaculture research and education undertaken by the institute based in British Columbia, Canada. |
| La\'akea_Permaculture_Gardens/Permaculture_in_Hawaii Offers month-long courses in permaculture design and deep ecology. |
| Naturewise_Permaculture_and_Forest_Gardens About programs in London, UK, promoting permaculture and forest gardens, including courses on permaculture. |
| Permaculture__From_Down_Under Introduction to permaculture in hot climates. |
| The_Permaculture_Activist North American permaculture periodical, providing a current listing of upcoming permaculture design courses, and offering articles on permaculture design, edible landscaping, bioregionalism, aquacultu |
| Permaculture_in_New_Zealand Information about the world of permaculture in New Zealand. Site also has event listings and a question and answer forum. |
| Permaculture_International_Ltd Publisher Permaculture International Journal, now a networking organization connecting permaculture groups and activists as well as offering an electronic newsletter. |
| Permaculture__Method_of_Agriculture,_Way_of_Life Article describes the permaculture philosophy, outlines its history, and discusses prospects for its future. From Catalyst, a student magazine at Brown University. |
| Permaculture_Portal Provides users with a helpful gateway to permaculture courses, events, services, and resources. The Portal is also the online home for the Bullocks' permaculture site in Orcas Island, Washington. |
| The_Permaculture_Project Promotes true self-reliance for all through personal and customized consultation, research, design, implementation, workshops and seminars. |
| Permaculture_Research A collection of basic information on a wide range of topics connected with permaculture and sustainable growing. |
| Permaculture_Research_Institute About permaculture and PRI's hands-on permaculture courses in ecological design, environmental restoration, appropriate technology and sustainable agriculture. New South Wales, Australia. |
| Permaculture_The_Earth Offers information about sustainable design and interactive forums for the discussion of topics related to permaculture. |
| Permaculture_Visions_International Worldwide Permaculture School and support network with students in over 20 countries. Collection of writings and ideas about permaculture. Offers permaculture courses by distance learning. |
| Permanent_Publications Subscription information for Permaculture Magazine and a catalogue of available books, videos, and other resources focused on permaculture in the UK. |
| Pierre\'s_Permaculture_Page Information on permaculture (including its ethics and principles), where to take permaculture courses, and other links. |
| Robert_Hart\'s_Forest_Garden A small celebration of Robert's forest garden at Wenlock Edge, described as 'possibly the UK's only fully developed Permaculture Project.' |
| SEED_International Environmental planning and design for permaculture and ecologically sound village designs. Australia. |
| Sustainability_as_Seen_from_a_Vegetable_Garden The site is an honours thesis completed in 1999. It looks at urban sustainability as highlighted by community gardens in Sydney, Australia. |
| UK_Permaculture_Association Provides information about the association, courses, UK links and general permaculture information. |
| Weeds_or_Wild_Nature? 1997 article by David Holmgren, one of the co-founders of the permaculture movement, discusses the evolution of ideas related to environmentally progressive responses to weeds and pests, with particul |
| Academy_of_Alchemy_(Chemistry) Self-paced and self-learning distance chemistry education. There is a cost for a 'hypertextbook' and a different cost for online tutoring, if requested. |
| ACS_Education ACS education programs provide teachers from pre-kindergarten through college with a range of instructional materials to enhance their teaching. |
| Activities_,_Games_and_Quizzes_in_Chemistry Learn facts about the periodic table through quiz activities and games. Identify the chemical symbol given the element name, and the element name given the chemical symbol. |
| All_Chemistry_Trivia Contains multiple trivia quizes in chemistry topics. |
| American_Plastics_Council_(APC)_Classroom A description of the APC's educational programs and partnerships, including programs such as "Hands-on Plastics" and "Busy Busy Planet." |
| Analytical_Chemistry Lecture notes from a course at the University of Akron, Ohio. |
| AquaSchemes The science of water and how it gets turned into pseudoscience by promoters of dubious treatment schemes. |
| Ask-A-Scientist_Archive_-_Chemistry A list of thousands of chemistry questions answered by experts from the U.S. Argonne National Laboratory. |
| Aus-e-Tute Developed by experienced science teachers to provide free chemistry tutorials designed for high school chemistry students. An additional members-only area is available for self-tests and their answer |
| Betha_Chemistry_Tutorial Designed to reinforce basic concepts of chemistry. |
| Cavalcade_of_Chemistry A chemistry resource for high school students, teachers, and homeschoolers. Free lesson plans (worksheets, handouts, labs) and tutorials provided. |
| Center_for_Chemistry_Education Offerings include an array of products, services and free resources that emphasize the hands-on, minds-on nature of science for all ages. |
| Chem101 Online beginning chemistry course. |
| CHEM_13_News An informal magazine published by the Department of Chemistry at the University of Waterloo for teachers of introductory chemistry courses. |
| Chem_Com Gathering place for teachers to exchange information and files with each other. All teachers are invited to upload and download information, relating to the standard eight topics. |
| Chemathon An annual chemistry competition for high school chemistry students in Maryland, Northern Virginia, and the District of Columbia. The Chemathon competition is organized by a committee of area high scho |
| ChemCases_com An NSF-supported curriculum development project, ChemCases is a web-based resource of curriculum supplements for teaching the second semester general chemistry course. Each case study features a numb |
| The_ChemCollective A collection of virtual labs, scenario-based learning activities, and concepts tests which can be incorporated into a variety of teaching approaches as pre-labs, alternatives to textbook homework, and |
| CHEMED-L_Digest_Archives Searchable digest for CHEMED-L, an unmoderated mailing list for chemical educators. The CHEMED-L mailing list is one of the busiest forums for chemical educators on the internet. |
| Chemical_Carousel__A_Trip_Around_the_Carbon_Cycle A look at carbon and its role in the environment and living things. |
| Chemical_Education_Resource_Shelf Details about recommended software, books, models, and articles for the chemical educator. |
| Chemical_Education_Resource_Shelf,_Journal_of_Chemical_Education,_University_of_Missouri-St__Louis Attempts to contain a comprehensive list of chemistry textbooks and pedagogical software available, in categories that correspond with typical curricula. |
| Chemical_Educational_Foundation Educational outreach programs and chemical safety information through competitions and newsletters. Page includes list of events, publications and kids page. |