english: Same for gravity, two concepts, so it's -- which is quite humbling, as a, you know, if you're a teacher, and you look before and after, that's quite worrying. They do worse in tests afterwards, after the teaching.
non_english: Ista stvar važi za gravitaciju, to su dva koncepta - i to je jako loše. I znate, ukoliko ste nastavnik i pogledate rezultate pre i posle to je zabrinjavajuće. Rezultati testova su lošiji nakon nastave.