Many cities are replacing their incandescent traffic lights with LEDs, despite the higher initial cost. Here's why that's ...

I'm taking my messages to AIM.

Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength ...

A fully operational traffic signal at the intersection of Ingelside Drive and Route 31 is now in use by vehicular traffic and pedestrians.

Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to ...

Republican prosecutor Brad Miller denied that he has Signal on his phone, but Phoenix New Times has seen the messages.

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use ...

Every critter on this planet that relies on a sexual means of reproduction has its own way of luring in a mate – but ...

Finchetto CEO exclusively talks to us about using light to cut network latency, reduce power use, and remove network ...

A new metasurface lets scientists flip between ultra-stable light vortices, paving the way for tougher, smarter wireless communication.

Most solar lights are cheap garbage that exist just to put more microplastics into the environment as they degrade in short order. [Jeremy Cook] built his own solar light, however, and this one ...

A traffic signal in Monroe is out after a single-vehicle early Saturday morning.