One way this might be done is to place a grid of wires behind them and induce a magnetic field where the wires cross. The spheres at the intersections would then rotate.
方法之一，有可能是在其背后建立一网格线和在线经过的地方引入磁场，在这地方的微珠就可以旋转了。
2
However, the current state of SOE doesn't address the issues of governance having cross-jurisdictional boundaries in a grid.
不过，SOE的当前状态不能解决网格中跨管辖边界的治理问题。
3
One way this might be done is to place a grid of wires behind them and induce a magnetic field where the wires cross.