??? ??? ?? ??? ??? ????? ?? ???? ??? ???? ???? ???? ???? ??? ????? ???? ???? ???????? ? ???? ?????? ??????? ?? ???? ???? ? ?? ???????? ?????? ??????? ?? ??? ? ?? ?????? ??? ????? ??? ???????? ?? ??????? ????? ??? ? ????? ??? ??? . Thomas Youthful's sketch of a double-slit experiment showing diffraction. Young's experiments supported the speculatio