Too Long; Didn't Read
When a tram/light rail is approaching, an <a href="https://hackernoon.com/tagged/augmented" target="_blank">augmented</a> reality <a href="https://hackernoon.com/tagged/holographic" target="_blank">holographic</a> barrier materialises along the path of the tram, making it more visible for pedestrians and cars, giving us more time to notice and react.