А-27

ОТКРЫВАТЬ/ОТКРЫТЬ АМЕРИКУ (-и) iron VP subj: human usu. pfv past often used in the form «Открыл Америку!» as a response to s.o. 's statement) to discover for o.s. and announce aloud sth. that has long been known, that was discovered long ago

X открыл Америку = X reinvented the wheel

(in limited contexts) so what else is new? ОТКРЫТИЕ АМЕРИКИ NP = reinventing the wheel.