首尔国立大学、Act Company 和 Minuta Technology的研究人员利用安置在屏幕上的一个微型棱镜阵列，作为过滤器来定向引导光线。
The researchers—from Seoul National University, Act Company and Minuta Technology—used an array of microscale prisms placed on a screen to create a filter that guides light directionally.
棱镜折射：光棱塔可以引导周围的其他光棱塔协同对同一目标开火，哪怕目标不在其他光棱塔的射程范围内。
Prism Refraction: PrismTower can guide other PrismTowers around to shoot one target even it is out of their range.
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