Mapusaurus.com explains the known facts about the newest discovered dinosaur, Mapusaurus roseae, in an easy to understand format.

Collecting rocks and minerals, Resources for worldwide mineral and fossil collectors with articles, photo galleries, search engine, and free classified ads.

Rocketstar Robotics is a company that designs and manufactures motors, gearboxes, actuators, twist capsules and mechanisms for spacecraft. Spaceflight applications include; antenna pointing systems, instruments, camera pointing systems, rover wheels...