english: That is in addition to left, right, back, forth and up, down, Kaluza proposed that there might be additional dimensions of space that for some reason we don't yet see.
non_english: Torej, smerem levo-desno, nazaj-naprej in gor-dol, je Kaluza dodal možne dimenzije prostora, ki jih zaenkrat iz različnih razlogov še ne opazimo.