english: That was a pretty startling prediction and it took a few years before scientists were able to test it but they did test it in 1919, and lo and behold it turned out to be true.
non_english: To bol zaujímavý predpoklad a trvalo niekoľko rokov, kým ho vedci boli schopní otestovať, no urobili to v roku 1919 a pozrite sa, naozaj to platí.