科技科学网址大全

timeanddate.com注册于1997年，于1998年5月24日正式上线。在上线的第一天，网站吸引了24位用户。timeanddate.com最初的服务项目包括日历，世界时钟等，这些都是在1995年10月正式启动的。timeanddate.com自从创业开始就取得了稳定的发展，现在已经成为了世界上时间和日期服务网站中最为流行的一个。

Developers of MATLAB, Simulink and Stateflow. The MathWorks offers a set of integrated products for data analysis, visualization, application development, simulation, model-based design, and code gene

Information and articles, including cryptozoology, UFOs, crop circles, and ghosts.

Many topics covered for beginners to serious researchers.

Features exhibits on many subjects and includes brief summaries and online reviews.

A Wiki website that allows user to publish and share "Calls For Papers" for conferences in diverse fields of science.

Hundreds of photomicrographs (photographs through the microscope) of everything from superconductors and high-tech materials to ice cream and beer.

Provides free online conversion tools, which can be added to any websites. It also offers metric conversion tables for download and print.

DNA based ancestry testing to help identify your genetic relatives

TED (Technology, Entertainment, Design) is an invitation-only event where the world's leading thinkers and doers gather to find inspiration. Initially an annual conference, the scope of TED has expand

Describes the history, organization and activities of the Agency. [several languages]

Official site, with extensive information on America's National Parks and their management.

Information on tree and shrub care; education resources related to trees; promoting the planting and maintenance of urban forests through Arbor Day programs, Tree City USA, and other programs.

A free educational forum dedicated to the dissemination of accurate information in the use of natural, non pharmaceutical medicines and alternative healing therapies hidden science free energy the gro

Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.

Social networking site that enables scientists, engineers, and other technical professionals to connect, collaborate with, and learn from each other.

Collection of information provided by U.S. government agencies, including research and development results.

ScienceDaily features breaking news and videos about the latest discoveries in science, health, the environment, technology, and more -- from major news services and leading universities, scientific j

With over 14 million members, Care2 is the largest social action network making a difference in healthy and green living, human rights, animal welfare and other important causes. Care2 offers petition

To promote discussions and the exchange of ideas of studies in the biological, chemical and physical sciences.

Manufacturer of electronic imaging and optical products for consumer, professional and industrial applications. [Japan]

Provides overview of imaging and color sciences, research topics, training from short distance learning to postgraduate degrees and resources. At the Rochester Institute of Technology, NY.

European organization for particle physics research. Includes overview, educational resources, visit booking form and news.

An international scientific research and high-education academic center. Offers second, third and post doctoral degree studies in biology, biochemistry, chemistry, physics, mathematics and computer sc

Topics covered include arms sales monitoring, biological weapons, cyberstrategy, intelligence reform, military analysis, monitoring emerging diseases, nuclear weapons, secrecy and government, and spac

Provides computer-aided engineering technology and engineering design analysis software products.s.

Translation, dictionary, conjugation, grammar for English, French, Spanish, German, Italian, Russian, Chinese, Arabic, Japanese, Hebrew, Polish, Dutch ...

Provides information on the junior research groups at KIT and the research being undertaken in the different labs.

The school is a key institution for higher agricultural learning. The university now has 14 colleges and departments of physical education and research. English and Chinese.

Daily news of the edge of science and reality.Updated hourly. Home of Dreamland radio program.

Discussion topics include astronomy, cosmology, biology, chemistry, earth sciences, physics, social sciences, health, medicine, history, economics, business, engineering, computer science, math and en

The RSC is the largest organisation in Europe for advancing the chemical sciences. Supported by a worldwide network of members and an international publishing business, its activities span education,

Arnold and Mabel Beckman Center for Chemical Sciences.

The directory publishes information on academic conferences all over the world.

Career information and job listings for post doctorate graduates in Science Math and Engineering field. Offers information on graduate schools in the science fields.

Annual science festival to be held in New York starting 2008. Site contains information about partners and advisers, as well as contact information and a link to a video clip containing more informati

Precision balances and scales, manufactures and markets related analytical instruments.

Science news & entertainment for a new generation of knowledge lovers.

Customizable source for current news in physics, technology, space, and earth science topics. Includes a weblog.

Offers conversion tools for length, volume, temperature, astronomical, clothing sizes, computer bytes, cooking measurements, time zones, density, energy, finance, flow rates, force frequency, and some

A search which uses multilateral partnerships to search national and international databases.

Design, develop and manufacture a range of military training simulators.

Offers free language instruction where users translate documents and vote on the accuracy of those translations. Contains a description of how it works, a blog, and a study of the project's efficacy.

On-line Store with wide selection of brand name binoculars, monoculars, telescopes, spotting scopes, rifle scopes, opera glasses, laser sights, range finders, and night vision equipment. Located in Il

An advanced discussion forum for science, philosophy, and related matters. Multiple forums, career announcements, and a dynamic IRC chatroom.

Science portal includes breaking news from scientific journals, universities and government sources.

Topic Selection Wizard helps students pick a project topic. Experienced scientists answer student questions in an online forum. Step-by-step project help guide.

Post Doctoral positions, fellowships and other research and science jobs in university departments and government labs.

Current issues information (Sept. 11, anthrax), reports on 17 key environmental topics from air to water, kids page, laws/regulations and further official agency information. EPA protects human health

Promotes the development of new mathematical methods and computational techniques as well as their applications in science and engineering.

Process measurement and control instruments: thermocouples, sensors, probes, data acquisition, recorders, temperature, flow, level, pressure, strain and force instruments. In English, Dutch, Czech and

Official web site of the Nobel Foundation. Offers a biography of Alfred Nobel, information about the organization, and details of individuals who have received a Nobel Prize.

Bulletin boards on physics and related subjects. Includes related polls and a list of active threads.

Interactive calculators used to for converting between currencies, weight, volume, mass, time, distance and more.

An independent nonprofit Research and Development organization, creating technology and business solutions for government agencies, commercial businesses and foundations.

Questions are submitted to the US Presidential candidates and their responses are published.

Search engine for quantitative science combining high impact journals and important databases.

Complete guide to times in every time zone in the world.

A group of nerds who are passionate about science record their thoughts.

Registry of Research Data Repositories. Information about the schema and explantion of functions.s.

Scientific agency for natural sciences, including earth science and biology. Extensive information on U.S. water, biological, energy, and mineral resources, USGS programs, and natural disasters and ha

National Science Teachers Association, headquartered in Arlington.

a resource center for those pursuing careers in engineering, mathematics, information technology, and the physical sciences.

Environmental news site offering original programs, articles, blogs, videos and how-to guides along with breaking stories. We launched the Mother Nature Network in January 2009. The mnn.com domain was

Annual event in early April includes events and shows relating to science and technology. Features exhibitions, workshops, tours, talks, demonstrations and hands-on activities, all aimed at the genera

A laboratory supplier and distributor of chemicals, life science products, consumables, equipment, instruments, furniture, e-commerce and services.

Provides a complete web based educational environment for K-12 and Higher Education mathematics science, statistics, and business.

Resource for the analysis and classification of biological images using a database-driven three-tier software system, maintained by MIT.

Information, member directory and many links.

Provides a free online conversion tool to easily convert between different units of measurement in more than 70 categories.

Conducts contract research in medicine, pharmaceuticals, public health, advanced technologies, environmental protection, and public policies.

Extensive collection of history's most famous hoaxes and April Fool's pranks. Listed by date and category. Includes bibliographic references.

A science search engine, which pulls data from scientific web sites.

Includes data for the latest Census of Population and Housing, the U.S. and World Population clocks.

Develops business simulation games and applications.

Print and web journal exploring the mysteries of science, history, and nature, including UFOs and the paranormal. Features daily-updated Anomalist Newsline.

Science discussion board and networking site for science scholars. Boards include news and research topics in chemistry, biology, physics, math, biotechnology, biochemistry, bioinformatics, immunology

Databases of European research institutes and companies for partner search within the frame of research projects.

Purpose of group is promote science education through publications, programs, science fairs, and scholarship competitions.

The original and best place to find your next job or career in Pharmaceuticals, Biotechnology, Medicine, healthcare and Science. Serving pharmaceutical, Biotechnology, Science and Healthcare professio

A celebration of science, technology, engineering and maths for young people in the UK. Programmes, registration.

Provides basic and advanced microscope information. Includes specialty areas, an image gallery, microsope links and activities.

Includes links to scientific divisions, research institutes, and journals.

Design, development, manufacture and implementation of magnetic bearings. The company provides solutions where other bearings fail.

Monthly magazine about current science and technology.

German research center combines 40 institutes on a single campus, in areas ranging from nuclear physics to electronics, medicine to waste management.

Provides a weekly podcast dedicated to furthering knowledge by eliminating the widespread pseudosciences that infect popular culture.

A quarterly journal devoted to science and technology issues and their relation to social and political affairs

A multi-search tool that permits queries of a number of scientific journals.

Developers of VISA, a sensitivity analysis tool and SIMUL8, which is used for discrete event simulation.

The Journal of Strange Phenomena - Online version of the print magazine.

Intergovernmental, European organisation for astronomical research, operates many observatories in Chile. Here you will find full scope information about every project, news, technologies and observat

Biweekly publication of exceptional research articles in areas including molecular biology, biochemistry, cancer research, cell biology, developmental biology, genetics, immunology, microbiology, neur

A moderated discussion forum focused primarily on hard sciences, with additional topics devoted to the artistic interests of our members. Online Chat and LaTeX support are included.

Produces the world's largest databases of chemical information.

Links to resources in all main science areas, plus newsgroups, constants, history, teacher resources and science analogies.

FreeVideoLectures.com has 750+ Free online courses from the 30+ Leading Universities. Most of the video lectures are downloadable in various formats. Torrents are available for downloading lecture vid

Foundation that aims to help develop scientific research in the Basque Country by attracting researchers and helping them establish themselves.

EWG is a nonprofit environmental research organization based in Washington, D.C. and a leading content provider for public interest groups and concerned citizens who are campaigning to protect the env

Annual spring event presented by the MIT Museum. Event descriptions; information for participants, volunteers, and media; and ticket sales.

Provides supplies, educational resources and lab aids to science and mathematics teachers.

R, also called GNU S, is a strongly functional language and environment to statistically explore data sets, make many graphical displays of data from custom command line, shell has option to save one

A microscopy resource for educators and enthusiasts. The site includes information on specimen preparation, observation ideas and microscopy theory.

This US Department of Commerce Web site is a central resource for government-funded scientific, technical, engineering and business related information throughout the US federal government.

The Physics Classroom serves students, teachers and classrooms with easy-to-understand and ready-to-use lessons, interactive activities, and engaging curriculum.

Croatian scientific institution. Site includes information about RBI, structure, news and site map.

A search tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades.

Offers educational programs throughout California in the areas of farm management, 4-H, nutrition, and family and consumer sciences. Page includes list of programs and county offices.

Includes geographic database, theories, research projects, and tips on collecting evidence.

Personal site with miscellaneous botanical content, including photos, educational information about botany, medicinal and poisonous plants, and gardening. In English and Spanish.

A place to learn and discuss various aspects of science and technology and how they interact. The site contains sections on subjects as diverse as particle physics and the open source movement. Also,

Resource for A Level chemistry students.

A non-profit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies.

Dedicated to helping colleges and universities fill their Science faculty job openings. Provides job listings by category and information for employers.

Not-for-profit organization dedicated to preserving bald eagles and protecting their environment. Also cares for eagles that are injured or orphaned at a facility at Pigeon Forge, Tennessee.

Cole-Parmer is a leading source of laboratory and industrial instrumentation, equipment and supplies. - Serving the scientific and engineering communities, our expertise includes laboratory research,

Works for clean air and energy, safe and sufficient food.

Online book by Tony R. Kuphaldt on dc and ac electric circuits, semiconductor devices, analog and digital circuits.

Includes online conversion and calculation tools. Possible to change the precision of the result.t.

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organizat

Organization "dedicated to the promotion of science and reason, the investigation of paranormal and pseudoscientific claims, especially within New England".

Scientific search engine and online forum. Researchers and students can search the scientific literature and can freely and anonymously discuss and review research articles.

Simio is simulation software with the power to rapidly build accurate 3d animated models which can be used to explore changes and alternatives in dynamic systems.

Environmental anomalies. Updated reports about science, medicine, the environment and real X-Files.

Objective reviews for astronomy equipment and accessories submitted by expert and amateur astronomers. Articles, classifieds, and forums.

Conferences, journals, public policy and funding issues, topical reports, and links.

Online chemistry tools, forums, unit converters, symmetry tables, periodic table and chemical constants.

Manufacturer of chemistry instrumentation for HPLC, mass spec, and thermal analysis.

A website for students, geologists and those who enjoy the earth. Features large collections of US and world country maps, satellite images, geology dictionary, printable time scale, articles about ea

A retail outfit carrying everything from toys and novelties to motors, tools and science kits.

Features tips and tools for both recruiters and job seekers.

Organisers of scientific symposiums, meetings, and conferences based in Europe: schedule of future meetings.

Includes illustrated tutorials, categorized links, homework guidelines, and a study skills survey.ey.

Provides ecotoxicology testing products and services. Describes the Lemna (duckweed) bioassay test for detecting and evaluating hazardous substances in ecosystems.

Current articles and reports regarding these academies' work. The National Academies (the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National

Online conversions for many measurement systems.

Private, non-profit, multidisciplinary research and education center that pursues emerging science, largely on a theoretical level. Topics include artificial life forms and evolutionary complexity.

Highly protective Orgone Energy EMF Radiation Shielding products that provide you and your family total protection from electromagnetic radiation, computer phone and wifi radiation, Geopathic stress a

News center, gallery, discoveries, sci-tech, fun and games, and reference desk.

Free chemistry search engine which aggregates and indexes chemical structures and their associated information into a single searchable repository.

Project to provide access to electronic versions of doctoral theses in a range of scientific disciplines translated from the original Russian.

A Governmental agency that gathers, analyses and provides weather information for the public of New Zealand, and for a wide range of domestic and foreign commercial customers.

The official Web Site of The National Science Olympiad Committee. Contains the latest official information available.

Offers online catalog with broad range of biological, chemical and lab products for laboratory research. Listing established suppliers and buyers in life sciences industry and academia.

Online calculators for finance, math, algebra, trigonometry, fractions, geometry, physics, time, statistics and conversions.

Lucis image processing software reveals information hidden in the image such as the surface of bone, even soft tissue like muscle, nerves and tumors.

Searchable database of science-related press releases from research institutions, universities, government agencies and corporations. Calendar, resources and links. From the American Association for t

WASET is an international scientific society of distinguished scholars engaged in scientific, engineering and technological research. Provides information on meetings, publications and membership.

Gateway for news, jobs, and other physics resources. AIP is a STM publisher of research journals, proceedings and other scientific publications. AIP provides services for scientific societies includin