THE earliest light signals for controlling traffic were operated manually by the police. The next type were operated on a ‘fixed-time’ basis by purely mechanical devices. A later development is to ...

U.S. traffic lights lack countdown timers because of the possibility of confusion, the short time some yellow lights are displayed, and the potential cost.

Mayor Greenberg seeks automatic speeding and red-light cameras in Louisville, but state law limits use to highway work zones.

A 60-V boost controller from Diodes, the AL3069Q packs four 80-V current-sink channels for driving LED backlights in ...

Although the Xbox Core Controller doesn’t necessarily revolutionize the standard Xbox controller we once knew and loved, it does offer some necessary updates that PC gamers will appreciate, which ...