???? ?? ? ‘???? ??’(Boomerangs and Targets)? ??1
???? ??? ?? ‘???? ??’(Boomerangs and Targets)? ?? ??? 40???? ??? ??? ???.
????? ???? ??? ‘???? ??’? ??? ? 141? ? 170????? ?? 21? ?? ?? ??? ???? ????? ????? ???.
???? ??(1898~1976)? ????? ??? ???? ???? ???. ?? ???? ??? ‘??’(Mobile)? ????? ‘??? ??’(Kinetic Art)? ????. ‘??’?? ??? 1932? ?? ????? ??? ????? ??? ?? ??? ??? ??? ????.
?? ?? ??? ????? ???, ???, ???, ???, ???, ???, ??? ?? ??? ??? ????.
?? ???? ?? 10??? 21??? ???? ????? ??? ??? ? ??.
(??=??1)