Access to Library Catalogs
http://lcweb.loc.gov/z3950/
Direct access to the online catalogs at more than 220 libraries, both inside and outside the United States.
Acronym Finder
http://www.acronymfinder.com/
A searchable database of more than 70,000 common acronyms and abbreviations, with a focus on computers, technology, telecommunications, and the military.
American Slanguage
http://www.slanguage.com/
Use this unique dictionary to choose a city and learn to talk like the locals.
Barcode Specifications
http://www.spatula.net/proc/barcode/index.src
Specifications for barcodes of all types, including a web interface that allows you to interactively create your own barcodes.
Cliché Finder
http://www.westegg.com/cliche/
The best thing since sliced bread for finding that picture perfect cliché. Worth its weight in gold.
Concise Columbia Electronic Encyclopedia, Third Edition
http://encyclopedia.com/
This outstanding reference work features 17,000 articles with more than 170,000 links to other resources on the Web.
Encarta Online
http://encarta.msn.com/EncartaHome.asp%3Fz=1
Concise version of Microsoft's Encarta CD ROM encyclopedia. Relatively complete, with good cross-referencing of topics.
Encyclopedia of the New Economy
http://www.hotwired.com/special/ene/
Wired Magazine's redefinitions of "a world in which people work with their brains instead of their hands... a world so different its emergence can only be described as a revolution." *Ahem.*
Information, Please Almanac
http://www.infoplease.com/
The venerable almanac, which evolved from the famous quiz show program, is now online, searchable and almost unbeatable as the resource for finding even obscure facts.
InvestorWords
http://www.investorwords.com/
If you don't know zero-minus ticks from contango, this glossary of over 5,000 financial definitions will give you just the ROI you're looking for.
Jargon Scout
http://www.tbtf.com/jargon%2Dscout.html
Jargon Scout aims to give you advance warning of jargon that is just about ready to hatch into the Net's language.
Lexical FreeNet
http://bobo.link.cs.cmu.edu/lexfn/
Lexical FreeNet allows you to search for relationships between words, concepts, and people - a combination thesaurus, rhyming dictionary, pun generator, and concept navigator.
Library of Congress
http://www.loc.gov/
Fantastic special exhibits and research tools.
Official U.S. Time
http://www.time.gov/
The current time, according to the two official U.S. time agencies, accurate within 1 second, depending on Internet delays.
One-Look Dictionaries
http://www.onelook.com/
Search for definitions of more than 1.5 million words in 220 online dictionaries.
Roget's Thesaurus
http://www.thesaurus.com/
Find the perfect word, term, expression or mot juste to express your meaning, essence, thrust, argument or intent.
Spellweb
http://www.spellweb.com/
This "democratic" spell-checker compares two words and returns the "preferred" spelling, by checking occurences in AltaVista or HotBot.
The Library Of Congress
http://lcweb.loc.gov/
Search the world's largest library, using
The Old Farmer's Almanac
http://www.almanac.com/
Your source for "useful" information: tide tables, planting charts, recipes, weather predictions, more.
The Ultimate Silicon Valley Slang Page
http://www.sabram.com/site/slang.html
From "chatfly" to "zapping," a compendium of words used by residents of the famous "valley of nerds."
Twists, Slugs and Roscoes: A Glossary of Hardboiled Slang
http://www.miskatonic.org/slang.html
Don't be a bunny: Use this glossary of terms from hardboiled detective stories to get savvy with the tough guys' lingo.
Visual Thesaurus
http://www.plumbdesign.com/thesaurus/
These pictures are worth a thousand words. By clicking on words, you follow a thread of meaning, creating a spatial map of linguistic associations. Requires Java.
Whatis.com
http://whatis.com/
This encyclopedia of the Internet has over 1,500 definitions/topics, with more than 5,000 hyperlinked cross-references and over 3,000 links to sites for further info.
WHERE THE WILD THINGS ARE
http://whatis.com/
Librarian's Guide to the Best Information on the Net. How Much, How Many? Statistical Sources and Calculation Tools on the Net.
Wordsmyth English Dictionary-Thesaurus
http://www.lightlink.com/bobp/wedt/
Roget meets Webster—this integrated dictionary and thesaurus is a one-stop reference source for words.
World Wide Words
http://www.quinion.com/words/
World Wide Words is devoted to the English language - its history, quirks, curiosities and evolution.
ZIP Code and City State Lookup
http://www.zipinfo.com/search/zipcode.htm
The most accurate, up-to-date, easy-to-use source of ZIP code and related data on the Internet.
Education
Search the CIA World Factbook
CollegeSource WWW Server
http://WWW.CGF.ORG/
On-line college search and catalog viewing.
Basicelectronics.com
http://www.basicelectronics.com/
This site's purpose is to teach basic electronics as well as keep hobbyists informed of current developments in the field.
Calculators Online Center
http://www.disinfo.com/
Jim Martindale's directory of online calculators includes
Conservation Databases
http://www.wcmc.org.uk/cis/index.html
Databases on the world's threatened animals and plants, protected areas, and maps and information of environmentally sensitive locations worldwide.
Earth View
http://www.fourmilab.ch/cgi%2Dbin/uncgi/Earth/action%3Fopt=%2Dp
This astonishing tool lets you play around with real-time views of Earth from the Sun or the Moon, view the night side of the planet, add topo lines or cloud cover, and then zoom in or out.
Edinburgh Engineering Virtual Library
http://www.eevl.ac.uk/
Descriptions and links to more than 4,700 quality engineering web sites and archives of over 100 engineering newsgroups.
GeoWeb
http://www.ggrweb.com
Geographic Information System, Global Positioning System & Remote Sensing Industries.
GrantsNet
http://www.grantsnet.org
funding opportunities for training in the biological and medical sciences
GSOC Satellite Predictions
http://www.gsoc.dlr.de/satvis/
Look, up in the sky! It's a bird, a plane—no, it's... a satellite! Find all of the visible satellites that will be flying over your house tonight.
Human Genome Project Information
http://www.ornl.gov/TechResources/Human%5FGenome/home.html
Extensive resources to help you understand the most ambitious scientific project ever undertaken, to map the 3 billion chemical bases that make up the 80,000 human genes.
implantologia ergo-system
http://www.interdental.it
Implantologia e parti protesiche, strumentario chirurgico, biomateriali
J-Track 3D
http://liftoff.msfc.nasa.gov/realtime/jtrack/3d/JTrack3d.html
Find out where the Hubble Space Telescope, the Mir space station, and the Space Shuttle (during missions) are right now, and watch their progress across the surface of the earth.
Latest Quake Information
http://quake.wr.usgs.gov/QUAKES/CURRENT/current.html
Shake, rattle and roll: real-time information about recent earthquakes, gathered from hundreds of remote sensing devices all over the world, from the USGS.
MathSearch
http://www.maths.usyd.edu.au:8000/MathSearch.html
Do you need mathematical proof? MathSearch will query a collection of over 140,000 documents on English-language mathematics and statistics.
Nature - International Weekly Journal Of Science
http://www.nature.com/
Science news, discoveries, events, web specials, and even a selection of fascinating scientific debates from the past 128 years.
NIX: Nasa Image Exchange
http://nix.nasa.gov/
From spectacular pictures of the earth to shots of distant galaxies, this image-specific search engine sifts through databases of over 300,000 NASA images.
SciCentral
http://www.scicentral.com/
A science and engineering metadirectory maintained by professional scientists with more than 50,000 sites in over 120 specialties in science and engineering.
Science Tracer Bullets
http://lcweb2.loc.gov/sctb/
Locate published materials on a particular subject in the field of science and technology even if you have only a general knowledge of the subject.
ScienceDaily
http://www.sciencedaily.com/
Breaking news about the latest discoveries and hottest research projects in everything from astrophysics to zoology.
SciQuest Home Page
http://sciquest.com/
Database of over 10,000 scientific vendors.
Slide Rule Universe
http://www.sphere.bc.ca/test/sruniverse.html
This true nerd's delight includes manufacturer archives, slide rule auctions, swaps, and trading, tutorials, even, believe it or not, slide rule software. Go figure.
Society for Industrial and Applied Mathematics
http://www.siam.org/
Everything the working engineer needs to know, from control and systems theory to orthogonal polynomials and special functions.
Solar System Simulator
http://space.jpl.nasa.gov/
Select viewpoint and target, date and time, field of view, and this simulator creates a color image of your favorite planet or satellite.
Space.com
http://www.space.com/index.html
The eponymous Space.com is dedicated to the news, science, business, and offbeat aspects of space and space travel.
SpaceImaging.com
http://www.spaceimaging.com/
Get your own spy photos of the Earth, in one-meter resolution black-and-white images, from the new IKONOS satellite.
Spacestation.com
http://www.spacestation.com/
Virtual tours, FAQs, news, and real-time information about the NASA Space Shuttle program and the International Space Station.
Surfing the Internet for Earthquake Data
http://www.geophys.washington.edu/seismosurfing.html
A comprehensive directory of seismology sites from Steve Malone, the principal scientist responsible for monitoring Mt. St. Helens and other Cascade volcanos.
Terra Server
http://www.terraserver.com/
Want a spy-satellite photo of downtown Baghdad or Modagishu? Terra Server's database of ariel photos are so detailed you can distinguish trucks from cars.
The Constellations
http://www.dibonsmith.com/constel.htm
Find scientific details, mythology, star locations and more on the 88 named constellations seen in the Earth's sky.
The Glossary of Mathematical Mistakes
http://www.mathmistakes.com/
Mathematical mistakes made over and over by advertisers, the media, reporters, politicians, activists, and in general many non-math people.
The International Fire Information Network
http://online.anu.edu.au/Forestry/fire/firenet.html
Hot: A directory of resources on fire behaviour, weather, prevention, mitigation and suppression, plant and animal responses to fire and all aspects of fire effects in rural and landscape fires.
The Internet Directory for Botany
http://www.botany.net/IDB/
This site will really grow on you—a vast searchable index to botanical information available on the Internet.
The Why Files
http://whyfiles.news.wisc.edu/search.html
This site doesn't clone around as it explores the science, math and technology lurking behind daily news headlines.
Tide Predictor
http://www.catalina.org/goodies/tides.htm
You'll get a rise out of this calculator that predicts ocean tides for up to 30 days in the future for hundreds of cities around the world.
UniScience News Net
http://unisci.com/
Daily summaries and stories about new developments in science, with a searchable archive of more than 800 past stories.
Views Of The Solar System
http://www.worldworld.com/SolarSystem/
This concise reference to the solar system is rich with links to detailed information on planets, moons, comets, and meteors, as well as historical and biographical info.
VolcanoWorld Starting Points
http://volcano.und.nodak.edu/vw.html
Have a blast finding information about volcanoes on this planet and elsewhere. Includes a good section for kids.
Where is Mir?
http://liftoff.msfc.nasa.gov/temp/mir%5Floc.html
This java applet tracks the current location of the Mir space station, and shows an image of its position above a 3D map of the globe.
World Climate
http://www.worldclimate.com/
How's the weather? Find out what the weather is normally like for tens of thousands of places worldwide.
ZooWeb.net
http://www.zooweb.net/
It's all happening at the zoo, and you can find official zoo Web sites world wide with this huge directory.