?????? ?????? ?????? ??????? ?????? ??? ????? ?? ???? ?????? ????? ? ?????? ???????????? ?????? ?? ???? ????? ? ????? ??? ?? ??? ???? ?????? ??? ????? ? ?? ??? ??? ??? help save link ?? download hyperlink ?? ?????? ????The wave concept predicted that mild waves could interfere with each other like seem waves (as noted close to 1800 by Thomas Young)