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.
Isto je s gravitacijom, dva koncepta, pa je – što je ponižavajuće, znate, ako ste učitelj i pogledate rezultate prije i poslije, oni su zabrinjavajući. Djeca lošije rješavaju testove nakon podučavanja.