Welcome to Imagination Unlimited, a Website devoted to my writing.  Now at Amazon and Smashwords:  The Deep Dark Well (far future science fiction), The Hunger (vampire Avenger in Sunny Tampa) and The Scorpion (uploaded terrorist threatens the world).  The Shadows on the Multiverse (creatures from another dimension threaten the Universe).   On the site, free eBooks Diamonds In The Sand and Doppelganger: A Novel Of Refuge.
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Science and Technology Links
Here you will find links to some of the sites I use to help me research the science and technology I use in my Science Fiction.  Click on the large banners to go to pages of special interest, which will include links to videos and artwork that I have found especially inspiring. 
Writer's Science and Worldbuilding Tools
We used to have to do everything on a calculator.  Now there are tools to do the work for us, as long as we input the variables.  Can also be used for Fantasy Worldbuilding.
References for Hard Science-Fiction Writers:  As it says, the real science and some thoughtful tutorials on how to get it right.
Apparent Angular Diameter Calculator:  Just how big is that moon in the sky anyway?
Plan a Planet Orbiting a Main Sequence Star:  Not just a world builder, but an idea generator.
Hard Science Fiction Tools:  A number of different astronomical and relativistic tools.
Atomic Rockets: a page explaining everything rocket, with emphasis on the atomic variety.
Science Fiction/Space Technology:  A NASA site about the technology of space travel.
Orbital Vector:  A Speculative Technology Database.  Good for ideas.
Kinetic Energy Equations and Formulas Calculator:  How much energy does that asteroid generate when it hits the Earth?
Space.com:  All kinds of good stuff for the space minded.  Pictures, articles. video.
Hyperphysics:  All kinds of physics lessons from the Georgia State University.
The Universe Within 50,000 Light Years:  Cool interactive map of the Milky Way.
3D Galaxy Map:  Another very cool interactive map of the Galaxy.
Space Telescope Science Institute:  Astronomy resources, news, pictures.
Planet Designer:  Another cool program, for the development of realistic planets.
Structural Mass Calculator:  Want to know how big you spaceship can be?  Calculate it here.
Planets:  Orbital simulator of planets around a star.
Planetary Classification:  Get it right the first time when describing planetary types.
Encyclopedia of Science:  From the Worlds of David Darling.  All kinds of good information and facts.
Nasa:  The source of all things space program.
Hubblesite:  All things Hubble.  Images to stir the imagination and the soul.
Astrobiology: From The Living Universe at Oracle ThinkQuest.  Lots of good information.