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Reference
Unit Conversions
Calculators for
Mass and Weight
Distance and Length
Capacity and Volume
Area
Speed
Weight to Volume
and more
Meteorological Conversions
Calculators for
Temperature (Fahrenheit to Celsius to Kelvin)
Wind Chill
Heat Index
Wind Speed (Miles/hour to kilometers/hour to meters/second to knots
Relative Humidity
Barometric Pressure (millibars to inches to millimeters)
Fraction-Decimal Conversion
Table of the most common fraction to decimal conversions, down to 32nds.
Latitude and Longitude
An online geographic tool that can be used to look up latitude and longitude coordinates of a place, and get its coordinates on map. You can search for a place using a city's or town's name, as well as the name of special places, and the correct lat/long coordinates will be shown at the bottom of the latitude longitude finder form. The location will be displayed with the point marker centered on map. Also the gps coordinates will be displayed below the map.
Latitude and Longitude of a Point
One can use a map to move the marker or enter an address the latitude and longitude coordinates of the point are inserted in the boxes below the map, or if one knows the latitude and longitude coordinates of a point, one may enter them into search fields to discover where on the map the point is.
How To Use A Compass
The author teaches the use of the orienteering compass, which has been standard among professional surveyors, long-distance hikers, and even urban naturalists for more than half a century. It is the kind we personally use. The knowledge gained from reading these tutorials could even save your life.
Note: A slightly confusing note on the page informs the reader that the pages have moved, but it's a reference to the home page, which links to this one. Read the introductory notes, by all means, but the tutorial links are to be found down about midpage.
American Meteorological Society Glossary
Forty-one years ago, the AMS published the Glossary of Meteorology. Containing 7900 terms, more than 10,000 copies have been sold over four decades through five printings. It is a tribute to the editors of the first edition that it has withstood the test of time and continued to be among the leading reference sources in meteorology and related sciences. This is the electronic version of the second edition of the Glossary with more than 12,000 terms. Along with the print version it should be the authoritative source for definitions of meteorological terms for many years to come.
Information Please Almanac
A mini-encyclopedia online for quick data reference.
Wikipedia
Wikipedia is written collaboratively by volunteers from all around the world. There are more than 75,000 active contributors working on some 9,000,000 articles in more than 250 languages. Visitors do not need specialized qualifications to contribute, since their primary role is to write articles that cover existing knowledge; this means that people of all ages and cultural and social backgrounds can write Wikipedia articles. Because Wikipedia is an ongoing work to which, in principle, anybody can contribute, older articles tend to be more comprehensive and balanced, while newer articles more frequently contain significant misinformation, unencyclopedic content, or vandalism. Users need to be aware of this to obtain valid information and avoid misinformation that has been recently added and not yet removed (see Researching with Wikipedia for more details).
How Stuff Works
How various things work, from hurricanes to microwaves to your own heart.
Everyday Mysteries
All of the questions presented on this Web site were asked by researchers and answered by librarians from the Library of Congress Science Reference Services. These questions deal with everyday phenomena that we often take for granted, but each can be explained scientifically. Searchable and browsable.
How Government Works
This link takes you to the Project Vote Smart homepage. We posted this link in 2003, after goons in the U.S. government suggested that people carrying almanacs should be considered possible suspects of terrorism. We have left the link, because we share the Project's view that the electorate rules best that is informed most. This is the most objective and trustworthy source of information about the "who," "what," and "how" of government from the federal to the local level that we've found anywhere on the 'net.
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