There’s a new massive space radar assembly in Costa Rica that is able to track orbital debris that are as small as 20 millimeters. It was constructed by LeoLabs, which …
more at Radar astronomy shows that Asteroid 1998 QE2 has a moon. Two NASA-JPL videos joined together: 1) “When Asteroid 1998 QE2 makes its closest approach to Earth on May …
How can we move toward a more sustainable world? By looking to nature where many of our problems have already been solved. Find out how inventors and scientists developed things …
Radar playlist: more at Post World War II explanation of radar and how it was used in the war. Reupload of a previously uploaded film with improved video & sound. …
Radar playlist: US Army Training Film playlist: more at “This film examines the history and development of radar, its use in the Battle of Britain, and types of radar readout …