Verižna_reakcija_s_polimerazo
Riccardo_Giacconi
Telegraf
Elektromagnet
Samuel_Pierpont_Langley
Charles_Greeley_Abbot
Fred_Lawrence_Whipple
Ionski_pogon
Robert_Hutchings_Goddard
Mariner_2
Pretočna_citometrija
William_Henry_Pickering
Irwin_Ira_Shapiro
Albert_Roach_Hibbs
Silvio_Bedini
Tuskegeejski_letalci