Yeah, actually one of the reasons of their failure was that both were made with old tech, Fukushima one was made in 1967 and Chernobyl in 1977. Even if they did

Yeah, actually one of the reasons of their failure was that both were made with old tech, Fukushima one was made in 1967 and Chernobyl in 1977. Even if they did upgrade software they certainly didn't upgrade hardware.