ðə mˈɑːnti kˈɑːɹloʊ tɹˈɑːli, ɔːɹ fˈɜːmiˌæk, wʌz ɐn ˈænəlˌɑːɡ kəmpjˈuːɾɚɹ ɪnvˈɛntᵻd baɪ fˈɪzɪsˌɪst ɛnɹˈɪkoʊ fˈɜːmi tʊ ˈeɪd ɪn hɪz stˈʌdiz ʌv nˈuːtɹɑːn tɹˈænspoːɹt.
The Monte Carlo trolley, or FERMIAC, was an analog computer invented by physicist Enrico Fermi to aid in his studies of neutron transport.