<prompt> Pedzisa mutsara unotevera: Luu akatamira kuUnited States somupoteri muna 1975, apo hurumende yeSouth Vietnam  <response>: akadonha. Iye nemhuri yake vaigara mumisasa yevapoteri uye mumahotera vasati vagara muKentucky, kwaaiva nehama. Akapedza chikoro chesekondari somunhu akakurumbira uye ipapo akawana dzidzo kuStanford University, kugamuchira dhigirii rake rechikoro mufizikisi muna 1984. Kushanda paJet Propulsion Laboratory paNASA pashure pekoreji kwakamukurudzira kudzidza nezvenyeredzi. 