news
08-10-2019, 04:03 AM
New retroreflective material could be used in nighttime color-changing road signs (https://phys.org/news/2019-08-retroreflective-material-nighttime-color-changing-road.html) Phys.orgA thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be ...
More... (https://phys.org/news/2019-08-retroreflective-material-nighttime-color-changing-road.html)
More... (https://phys.org/news/2019-08-retroreflective-material-nighttime-color-changing-road.html)