网站简介：Bitcoin micro-payment processor which provides webmasters and developers free crypto-currency faucet scripts, and allows faucet users to collect bitcoins and get paid in bulk without any fees.
网站简介：MIT's magazine about innovation, with online articles on specific technologies and a focus on the process by which new technology gets out of the lab and into the marketplace.
网站简介：Official site. Information about programs offered, departments, activities, research, admissions, events and contacts.
网站简介：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 full environment per working directory. Descriptions, documents, downloads. [Open Source, GPL]
网站简介：The FAA is primarily responsible for the advancement, safety and regulation of civil aviation, as well as overseeing the development of the air traffic control system and commercial space travel.
网站简介：Science and technology news from the weekly magazine includes daily updates from around the world. Includes Hot Topics, interviews, book reviews and job listings.
网站简介：italki.com is an online destination for learning foreign languages. italki connects people from around the world in a friendly community to learn from each other. italki helps people meet online to do free language exchanges. italki also helps students connect with teachers for paid online lessons. In addition, italki has many free language learning features, such as questions and answers, group discussions, and multimedia materials for self-study. italki is both a social network and a marketplace. The social network helps bring people together to communicate and learn. The marketplace gives students, teachers, and companies the abililty to transact online.
网站简介：Glossary of terms. Material ranges from undergraduate to research level.
网站简介：USA telecom regulator - responsible for both telecoms and radio/television media.
网站简介：Includes illustrated tutorials, categorized links, homework guidelines, and a study skills survey.ey.
网站简介：Free datasheet archive and search for electronic components and semiconductors.
网站简介：Online calculators for finance, math, algebra, trigonometry, fractions, geometry, physics, time, statistics and conversions.
网站简介：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 Illinois.
网站简介：A quarterly journal of international affairs and diplomacy founded by Irving Kristol. Noted for its issue featuring the "End of History" by Francis Fukuyama.
网站简介：Bulletin boards on physics and related subjects. Includes related polls and a list of active threads.
网站简介：A cryptocurrency exchange based in Bulgaria where users can trade Bitcoins, Litecoins, and Namecoins, for Dollars, Euros and Rubles.
网站简介：Multidisciplinary journal covering the biological, physical, and social sciences. Published biweekly. Archives go back to January 1996. Subscription required for full site access.
网站简介：Services residential and business clients. Includes options to pay bill online, request services, along with information pertaining to builder services, consulting services, regulatory and safety.
网站简介：Searchable King James Version, with Greek text for each New Testament verse in graphics form (no font software needed, but no breathings or accents). Hebrew text for Old Testament.
网站简介：Royal Melbourne Institute of Technology is one of Australia’s original and leading educational institutions, producing some of Australia’s most employable graduates. An innovative, global university of technology, with its heart in the city center of Melbourne. RMIT also has campuses located outwith Melbourne in regional Victoria, in Vietnam, and runs courses online, by distance education, and at partner institutions throughout the world, the University is one of the largest in the country.
网站简介：Network of FTP and Web servers around the world that store identical, up-to-date, versions of r code, documentation.
网站简介：Online graphing calculator. Free to use, supports hundreds of simultaneous equations, and supports interactive exploration via sliders.
网站简介：A weekly journal that publishes articles on new medical research findings, reviews, and other editorials.
网站简介：Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwidth.
网站简介：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 environment.