LOS ANGELES - Ever wished you could explain to the driver you just accidentally cut off that you didn’t mean any harm? It might soon be possible, thanks to an innovation by a Philadelphia company ...
LED message board for cars lets you communicate with other drivers on the road Updated June 3, 2019 ...
Virginia Tech has installed electronic message boards in more than 100 classrooms and in other locations around campus to deliver information during emergencies. The LED displays are about two feet ...
LOS ANGELES - Ever wished you could explain to the driver you just accidentally cut off that you didn't mean any harm? It might soon be possible, thanks to an innovation by a Philadelphia company ...
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