How Electromagnetic Propulsion Will Work (Popularity: )

Illustrated tutorial shows how Goodwin's electromagnetic-propulsion system works and how it could send spacecraft deep ...
Category: Science\Technology\Mechanical Engineering\Propulsion

Earth Search (Popularity: )

New Orleans, Louisiana based cultural resource management firm with an emphasis on public archaeology. Company ...
Category: Science\Social Sciences\Archaeology\Contractors and Consultants

Debunking Economics (Popularity: )

Book web site provides more detail on some issues, as well as the maths behind ...
Category: Science\Social Sciences\Economics\Political Economics

Dinosaur Expedition 2000 (Popularity: )

Daily updates as a 200 million year old dinosaur skeleton is collected from the research ...
Category: Science\Earth Sciences\Paleontology\Dinosaurs

Textkit: Learn Ancient Greek (Popularity: )

A collection of free downloadable public domain Greek grammars and readers.
Category: Science\Social Sciences\Linguistics\Languages