ðə kˈiː tɛknˈɑːlədʒi ɪz ðə fˈaɪbɚɹˌiːɪnfˈoːɹst kəmpˈɑːzɪt ˌɛfˌɑːɹsˈiː spɹˈɪŋ ðæt bˈɛndz lˈaɪk ɐ bˈoʊ tə stˈoːɹ ᵻlˈæstɪk ˈɛnɚdʒi.
The key technology is the fiber-reinforced composite (FRC) spring that bends like a bow to store elastic energy.