Their goal was less to drive foot traffic to Wabash avenue-which runs parallel to the more popular north-south thoroughfares of State Street and Michigan avenue-than to put a fresh spin on public art.
他们的目标是步行到沃巴什大道—南大道北州街与密歇根大道，而不是在公共艺术的一个新的周旋。
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An art we have already mastered, on the other hand, is applying an electric field to manipulate charge on a chip - but until now we had no way of using this to control spin.