From the first satellite in orbit, to the first human in space, to the first steps on the moon, the United States government has always framed space exploration as a race. As U.S.-China space ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The DARPA program aims to improve the ability to "track potential threats and objects of interest originating from or transiting cislunar space." As the moon becomes the center of the new space race, ...