- The United States Naval Observatory
The USNO mission is to determine thepositions and motions of celestial objects, to provide astronomicaldata, to measure the Earth's rotation and to maintain the Master Clockfor the United States.
astrometry astronomy atomic clocks earth global gps orient positioning precise satellite system time timetransfer two-way twstt
By rrhobbs in Public bookmarks with astronomy navy observatory reference science space time by 3 users
- Early Christian Writings: New Testament, Apocrypha, Gnostics, Church Fathers
By arlene7 in Public bookmarks with christianity history reference religion resource study writing by 15 users
- Muckety.com - The news destination for exploring the paths of power and influence - See the news!
A neat tool that illustrates connections between influential people.
By zphaze in Public bookmarks with for:mkorbic mapping reference relationship research web web2.0 by 2 users
- Random (dot) org
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs
By Kiri in Reference with online-game random-numbers reference by 3 users
- Mind map
Wikipedia.
2007 2009 additional articles february from january map mind needing references search special statements unsourced van vo with
By hno in Public bookmarks with mind_mapping reference whatis wiki wikipedia by 4 users
- DivX SubTitles
A site for subtiltles
By rmagere in Public bookmarks with freeware movies reference software subtitles video by 11 users
- *Yellow Pages Local Directory - YELLOWPAGES.COM
Find online Yellow Pages business listings, phone numbers, addresses, maps, driving directions and more in the YELLOWPAGES.COM online directory.
By sailinggreek in Reference with online reference wpl-refdesk yellow by 22 users
- *World Information Portals from the Library of Congress
Portals to the World contain selective links providing authoritative, in-depth information about the nations and other areas of the world. They are arranged by country or area with the links for each sorted into a wide range of broad categories. The links were selected by Area Specialists and other Library staff using Library of Congress selection criteria. When completed, the project will include all the nations of the world.
Portals to the World contain selective links providing authoritative, in-depth information about the nations and other areas of the world. They are arranged by country or area with the links for each sorted into a wide range of broad categories. The links were selected by Area Specialists and other Library staff using Library of Congress selection criteria. When completed, the pro
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By sailinggreek in Reference with portals reference world wpl-refdesk by 14 users
- *Topographical Maps of US - TopoZone
Interactive USGS topo maps and high-res aerial photos of the entire United States
The best online resource for topographic (topo) maps and high-resolution aerial photos covering all of the United States (U.S.) and Canada.
aerial canada map maps photo quad states topo topographic united usgs
By sailinggreek in Reference with interactive reference usgs wpl-refdesk by 11 users
- *Science.gov from US Govt - locate govt research
Science.gov is a gateway to government science information provided by U.S. Government science agencies, including research and development results.
Science.gov is a gateway to government science information provided by U.S. Government science agencies, including research and development results.
agriculture astronomy biology defense energy environment federal gateway government medicine portal science technology u.s
By sailinggreek in Reference with gateway government reference science.gov u.s. uiuc unit1 wpl-refdesk by 7 users
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