Projection mapping allows images to be displayed on surfaces such as walls and buildings that’s widely used for entertainment, and Japan is now leading the world in finding new uses for this technology. On construction sites and in hospitals, projection mapping is making work safer and more accurate. We visit a major highway tunnel project in the Tohoku region, where images from data on rock strengths and weaknesses are projected onto the rock face to aid with explosive placement. And in the operating room, we see how images projected onto affected organs guide the surgeon’s hand.
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