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How Solar Cells Work (Popularity:  )
Principles of operation of silicon photovoltaic cells.
Category: Science\Physics\Electromagnetism
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Casella CEL (Popularity: )
Manufacturer and supplier of professional meteorological equipment including portable and automatic weather stations, rain gauges, ...
Category: Science\Earth Sciences\Meteorology\Instruments
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Black Holes to Blackboards-God Divided by Zero (Popularity: )
Laying your hands on a black hole is hard (and dangerous) to do, but there ...
Category: Science\Physics\Relativity\Black Holes
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Sustain Magazine (Popularity: )
Website about sustainable development in the construction, engineering, planning and property sectors. Searchable listings of ...
Category: Science\Environment\Sustainability
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The Fifty Brightest Stars (Popularity: )
The most visible stars that can be seen by the naked eye from earth. Lists ...
Category: Science\Astronomy\Stars
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Ovonic Hydrogen Energy Technology (Popularity: )
Describes Energy Conversion Devices, Inc., technology to produce hydrogen energy from water via photovoltaic electrolysis.
Category: Science\Technology\Energy\Hydrogen
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American Society of Heating, Refrigerating, and Air-Conditioning Engineers (Popularity: )
International technical society organizedto advance the arts and sciences of heating, ventilation, air-conditioning and refrigeration.
Category: Science\Technology\Organizations
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Across Country by Solar Eclipse (Popularity: )
Brief description and maps of the Dec. 4 eclipse.
Category: Science\Astronomy\Eclipses, Occultations and Transits\Eclipses
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Max Pages: Pluto (Popularity: )
General data regarding the position, structure and atmosphere.
Category: Science\Astronomy\Solar System\Pluto
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Universe in the Classroom (Popularity: )
A free quarterly educational newsletter published by the ASP for teachers, youth group leaders, librarians, ...
Category: Science\Astronomy\Education
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Architecture Solar Virtual Reality Native American Archaeology (Popularity: )
Dennis Holloway, architect, has modelled ancient Indian sites and created Quick Time Virtual Reality (QTVR) ...
Category: Science\Social Sciences\Archaeology\Regional
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Space Web (Popularity: )
Contains many photographs of space, from Hubble and other telescopes.
Category: Science\Astronomy\Images
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Powers of 10 - Interactive Java Tutorial (Popularity: )
Start 10 million light-years from the Milky Way galaxy and wind up face to face ...
Category: Science\Physics\Education\Java Applets
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Advance Space (Popularity: )
Educational resource offering links to organizations, experts, and references.
Category: Science\Aeronautics and Aerospace\Space
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MPL3D Solar System (Popularity: )
Explore thousands of real extrasolar objects in a 3D interactive simulation of the close universe.
Visit ...
Category: Science\Astronomy\Software\Space Simulation
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The Kepler Mission (Popularity: )
A NASA mission dedicated to discovery of planets around others stars through observation of planets ...
Category: Science\Astronomy\Extrasolar Planets
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Sun and Moon applet in polar coordinates (Popularity: )
This Java applet displays the position of the sun und the moon in polar coordinates ...
Category: Science\Social Sciences\Archaeology\Topics
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An Amateur Spectroscopy Site (Popularity: )
Tools, techniques and history, variety of captured spectra using both prism and grating instruments coupled ...
Category: Science\Astronomy\Amateur\Spectroscopy
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HEV Aviation (Popularity: )
Alternative fuel aviation using solar, fuel-cell and electric power.
Category: Science\Technology\Aerospace\New Ideas
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United Community Services of America (Popularity: )
Advertisement on how to sign up to get a free electricity generator on your home ...
Category: Science\Physics\Electromagnetism\Alternative
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