When the road is wet (there is a water layer on the road surface), the road marks become blurred and drivers are distracted. We discuss the contributing processes and identify which processes are dominant to the occurrence of this phenomenon. Modelling and a simple experiment demonstrate that the dominant processes are: (a) refraction of light by…

Contrarily to color research, white values of paint are the most commonly applied finish selection on classroom walls today. White walls have been used in American schoolhouse settings since the first discovered paint, also white, was invented and made available some two hundred years ago. Originally, white paint was seen as hygienic and…