Traditional solar cells harvest only a narrow sliver of the electromagnetic energy pouring down onto Earth, and that's one of the reasons it's been so challenging to get solar efficiency beyond 20-30 ...

People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

For decades, laser engineers have wrestled with an embarrassing blind spot: the green-through-yellow slice of the visible ...

Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...

Researchers have introduced “3D printed action plots” to map how resin cure responds to different wavelengths, offering a new ...

Infrared sensors used in thermal imaging cameras and for body temperature detection have been difficult to produce without ...