Sphere

World Geography Quiz (Popularity: )

Improve your Geography Skills with a fun interactive Quiz. Each Geography quiz covers the countries ...
Category: Science\Social Sciences\Geography\Education

Satellite Tool Kit (Popularity: )

Analytical engine to calculate data and display multiple 2-D maps to visualize various time-dependent information ...
Category: Science\Technology\Software for Engineering\Aerospace Engineering

MODAS - Modern Optical Design and Analysis Software (Popularity: )

Paraxial and Seidel calculations, spot diagrams, ray fans, 3D wave aberrations and energy distribution, optical ...
Category: Science\Physics\Optics\Software

AGE - Analysis Software for Land, Sea, Air, and Space (Popularity: )

Products, user community, support, services, training, and events.
Category: Science\Astronomy\Amateur\Satellites

Resources on the Marshall Islands (Popularity: )

Environment, economy, culture and history of the Marshall Islands.
Category: Science\Social Sciences\Area Studies\South Pacific Studies

Custom Magnet Supplier (Popularity: )

Supplier of magnets, specializing in custom magnet shapes and designs. Eagerly works with inventors, companies, ...
Category: Science\Physics\Electromagnetism\Resources and Equipment

Geography Home Page (Popularity: )

Includes articles, annotated links, daily geographic quizzes, bulletin board, and chat room.
Category: Science\Social Sciences\Geography\Education

Hayden Planetarium (Popularity: )

In Rose Center for Earth and Space which is part of the American Museum of ...
Category: Science\Astronomy\Institutions\Planetariums

CSM Instruments (Popularity: )

Surface characterisation by nano indentation and nano scratch method to determine hardness and adhesion of ...
Category: Science\Technology\Mechanical Engineering\Tribology

Innovative seeding materials for fluid dynamics. (Popularity: )

MTL are specialists in coating hollow glass microspheres. The new ISOSPHERES product is designed for ...
Category: Science\Methods and Techniques\Imaging Science

LightLab Online (Popularity: )

Optics and radiometry services, photometric and thermal tests. Products include laboratory equipment, instrumentation and software ...
Category: Science\Technology\Lighting

Sphere's To You (Popularity: )

A selection of mineral and gemstone spheres, hand or machine cut and polished. Also information ...
Category: Science\Earth Sciences\Geology\Rocks and Minerals

Space Settlement (Popularity: )

Discusses the space settlement proposals of Gerard K. O'Neill, as popularized in his book "The ...
Category: Science\Technology\Space\Colonization

On-line Optical Library (Popularity: )

On-line Optical Library with a lot of links to papers on the net for beginners ...
Category: Science\Physics\Optics

Spectronic Analytical Instruments (Popularity: )

The UK based laboratory instrument specialists. Authorised sales and service distributor for Analytik Jena, Camspec, ...
Category: Science\Instruments and Supplies\Laboratory Equipment\Spectroscopy

Knowhere (Popularity: )

Lesson on the geometry and symmetry of elements and minerals using Polymorf, a new math ...
Category: Science\Physics\Crystallography\Education

Mathematical and Theoretical Crystallography (Popularity: )

MaThCryst - International Union of Crystallography, Commission on Mathematical and Theoretical Crystallography. Reaserch themes, members, ...
Category: Science\Physics\Crystallography\Associations

MaThCryst (Popularity: )

Crystallography at the start of the 21st century: Mathematical and Symmetry Aspects. A satellite meeting ...
Category: Science\Math\Applications\Mathematical Chemistry

SkyEye (Popularity: )

A calendar of celestial events by the appropriate month.
Category: Science\Astronomy\Amateur\Sky Calendars

Toprock (Popularity: )

Offers wholesale minerals, crystals, gemstones and fossils. Features testimonials, news and contact information.
Category: Science\Earth Sciences\Geology\Rocks and Minerals