ðə kˈæsəl bɹˈɑːvoʊ tˈɛst ʃˈoʊd ðæt ˌʌnɛnɹˈɪtʃt lˈɪθiəm ˈaɪsətˌoʊp sˈɛvən fˈʌŋkʃənd æz wˈɛl fɔːɹ nˈuːklɪɹ fjˈuːʒən ɹɪˈækʃənz æz ˈaɪsətˌoʊp sˈɪks.
The Castle Bravo test showed that unenriched Lithium isotope 7 functioned as well for nuclear fusion reactions as isotope 6.