Also at just one place another person yells out, "What the physics?!" and for many explanation that really tickled me. ??? ????? ??? ????? ?? ?? ?? ???? ????? ???? ???? ??? ?? ???? ???? ??? ???? ?? ? ??? ???? ?? ?? ???? ????? ????????????? ???? ?? ???????? ????? ?????? ?? ????????? ??? ???? ????? ??????? ?? ???????? ??? ????? ???? ?? ?? ??? ?????