The electromagnetic spectrum is a rainbow of light waves that surround us — but we only see a small part of it. From radio waves to gamma rays, each type of light has its own properties and uses. By ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light ... The almost-a-rainbow’s-worth of LEDs are mounted on circular ...