There is no specific law about flashing your lights to warn other drivers on the road in Ohio. In fact, the action is actually considered an act of free speech under the First Amendment because it ...

This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one ‘flashing’ LED and a string of ‘normal’ LEDs. The flashing LED ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Heading into Labor Day weekend, ...

A tanker truck fleet that installed $150 blinking amber lights to the back of their trucks reported a 33.7% drop in rear-end collisions over a 31-month period, according to company officials. In ...

Less blue light may mean fewer mosquitoes–and fewer infections. Insects are attracted to light, but not to all types of light equally. It happens that when you put out different parts of the light ...