Trump aims to send a crew to Mars by the end of his term, which Musk calls 'doable.' Astronauts question the time frame but said a flight would soon be possible ...
The original design called for high-temperature superconducting magnets, such as so-called ReBCO tapes, and CERN is looking ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results