The U.S. Department of Transportation’s Federal Highway Administration (FHWA) today announced a final rule that will improve safety for all road users by ensuring that pavement markings are made more ...

BUFFALO, N.Y. — A 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 published on Aug. 9 in Science ...

Once the sun sets, commuting by bike or skateboard becomes a risky game. The newest gear for night riders is a stylish shirt with retroreflective stripes sewn directly into the fabric, increasing ...

PITTSBURGH--(BUSINESS WIRE)--PPG (NYSE:PPG) today announced the introduction of PPG ENVIROCRON™ LUM coating, which is the industry’s first commercial retroreflective powder coating. The patent-pending ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Retroreflectivity is everywhere. It’s painted onto your street as line markers. It’s printed on the stop sign at the end of it. It’s sewn into technical clothing. It’s even on the moon, thanks to ...

Summers are becoming increasingly dangerous, especially in cities where the warming effects of tall buildings, concrete and asphalt send temperatures soaring. But there might be a simple, potentially ...

The usual way of detecting objects of varying shapes, heights, or positions has been through the use of an array of single-beam photoelectric sensors or a thru-beam light grid: a photoelectric array ...

Designed to accurately detect shiny objects, the VS3 series retroreflective sensors are said to eliminate the blind response area associated with conventional photoelectric sensors. Miniature in size, ...