Parks Optical (Popularity: )

Newtonian and Newtonian-Cassegrain reflecting telescopes, optical tube assemblies, telescope making components, binoculars, spotting scopes and ...
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

Parks Optical, Inc. (Popularity: )

Manufacturer microscopes and optical components. A selection of components and accessories.
Category: Science\Instruments and Supplies\Laboratory Equipment\Optical

ScientificAmerican.com (Popularity: )

News and feature articles (some free, some archived), space calendar, astronomy interactives, and book reviews.
Category: Science\Astronomy\News and Media

The Cause of the Characteristics of Quasars (QSOs) (Popularity: )

Quasars (QSOs) are an illusion created by gravity lensing of photons from the opposite jet ...
Category: Science\Astronomy\Galaxies\Active Galactic Nuclei - Quasars

Joven Technology LLC (Popularity: )

Provider of software and services software solutions that help labs interact with clients, post online ...
Category: Science\Instruments and Supplies\Laboratory Computers and Software

NASA/IPAC Extragalactic Database (NED) (Popularity: )

lists names and positions of extragalactic objects and provides links to data and published literature ...
Category: Science\Physics\Astrophysics\Galaxies

Worcester Park Observatory (Popularity: )

Maurice Gavin's private observatory with 30cm Meade LX200 and various spectroscopes incl SBIG spectrometer.
Category: Science\Astronomy\Institutions\Observatories

NOVA: Death Star (Popularity: )

learn about mysterious gamma-ray bursts. Features include a glossary of extraterrestrial wonders and a self-guided ...
Category: Science\Physics\Astrophysics\Gamma-Ray Observation

Cause of the Characteristics of Quasars (Popularity: )

Hypothesis which attempts to explain the characteristics of QSOs (Quasi-Steller Objects), a.k.a. quasars, as optical ...
Category: Science\Physics\Astrophysics

Worcester Park Observatory UK (Popularity: )

Optical and mechanical design, observations, equipment designs and reviews, papers, spectroscopy, observatory construction, and events.
Category: Science\Astronomy\Amateur\Spectroscopy

It's Full of Stars (Popularity: )

Equipment information, gallery, articles, and links, with information for the East Sussex Astronomical Society.
Category: Science\Astronomy\Amateur

Is Travel Faster Than Light Possible? (Popularity: )

From: Scientific American: Ask the Experts: Physics
Category: Science\Physics\Relativity\Special Relativity

Swamp Gas: Products for Learning US and European Geography (Popularity: )

We provide information about Swamp Gas geography products. They can be purchased by schools and ...
Category: Science\Social Sciences\Geography\Software

What is Antimatter? (Popularity: )

From Scientific American: Ask the Experts: Physics.
Category: Science\Physics\Education\Nuclear and Particle Physics

Why are impact craters always round? (Popularity: )

The answer given in an article from Scientific American.
Category: Science\Earth Sciences\Geology\Geomorphology

What is a Neutrino? (Popularity: )

From Scientific American: Ask the Experts: Physics.
Category: Science\Physics\Particle\Neutrino

Shade Tree Physics (Popularity: )

Articles on Newtonian physics applied to astronomy and cosmology. Emphasis on works of Walter Ritz. ...
Category: Science\Physics\Alternative

Scientific American: Sonoluminescence (Popularity: )

Provides explaination of why it is unlikely that sonoluminescence produces the conditions necessary to initiate ...
Category: Science\Technology\Acoustics, Ultrasound and Vibration\Ultrasound

Altair's Natural Radio Projects (Popularity: )

Exploring the electromagnetic spectrum.
Category: Science\Technology\Electronics\Reference