Whatever humanity does off-planet, it will depend on energy. How will we power our activities as we leave the friendly confines of Earth? One obvious…View More What are you doing to develop solar power off-planet?
Many manmade objects are in orbit around Earth. How do we know which are which? The problem is, we don’t. Not always, anyway. Oftentimes, we…View More How would ELROI let us know which satellites are which?