Recent research has suggested that the explosive behavior of alkali metals in water is driven by a Coulomb explosion rather than solely by rapid generation of hydrogen itself.
ɹˈiːsənt ɹᵻsˈɜːtʃ hɐz sədʒˈɛstᵻd ðætðɪ ɛksplˈoʊsɪv bᵻhˈeɪvjɚɹ ʌv ˈælkəlˌaɪ mˈɛɾəlz ɪn wˈɔːɾɚɹ ɪz dɹˈɪvən baɪ ɐ kˈuːlɑːm ɛksplˈoʊʒən ɹˈæðɚ ðɐn sˈoʊlli baɪ ɹˈæpɪd dʒˌɛnɚɹˈeɪʃən ʌv hˈaɪdɹədʒən ɪtsˈɛlf.