?????? ??? ?? ??? ?????? ??? ??????? ?? ??? ????? ??????? ?? ????? ??? ?? ?????? ????? ??????? ??? ?????? ?? ????? ????? ?? ??? ????????? ?????? ???. ? ???????? ?????? ? ????? ? ????? ?? ????? ????? ????? ????? ??????? ???? ???? ????????? Hooke mentioned the shadows (a and b) Solid by both of