The Family Handyman on MSN4mon
If You See a Traffic Light With Blue Instead of Green, This is What It Means
Simple enough. But what happens when you live in a culture where green also means blue? (Before we answer that, here's why ...
Hackaday10y
Green Light Your Commute With America’s Unsecured Traffic Lights
Remember that episode of Leverage (season 5, episode 3), where Alec uses Marvin to wirelessly change all the street lights green so they ... can be found on the traffic light manufacturer ...
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Why traffic lights might soon include a new colour for autonomous vehicles
The traditional red, yellow, and green lights would still retain ... scientists are now proposing the addition of a fourth colour to traffic lights—a "white light"—specifically designed ...
朝日新聞社4y
Smartphone app system tells blind people the color of traffic signals
“It’s a bit complicated to use a smartphone, but it makes a big difference for me to know whether a light is green ... traffic light equipped with the system via Bluetooth telling them what ...