Where does the periodic table of chemical elements end and which processes lead to the existence of heavy elements? Researchers report on experiments to come closer to an answer. They gained insight ...
These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...
In context: Boeing and NASA began developing the first Orbital Test Vehicles in the X-37 series in 1999, with the first X-37 drone entering service in 2010. Now managed by the US Air Force Space ...
Its last launch—which carried the first 18 Qianfan satellites—broke up into a cloud suspected to number more than 700 pieces of orbital debris. SAST has so far not responded to requests for ...