![]() 1 The electromagnetic spectrum spans the range from radio waves at long wavelengths to gamma rays at short wavelengths. This capability holds the key to answering some of the fundamental questions about the world around us, such as: what is our planet made from? What are the processes that sustain life? How can we conquer viruses? Fig. Likewise, the right kind of light and the right equipment can help us see things in much finer detail than the human eye could possibly make out. For example, airport scanners use X-rays to inspect the contents of your suitcase. These different types of light are used in everyday life, however. ‘Light’ refers to the breadth of the electromagnetic spectrum, which includes visible light, yet also includes light with wavelengths that we cannot see, such as: radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays. ![]() ![]() ![]() The light sources which are members of are accelerators that produce exceptionally intense beams of X-rays, ultra-violet and infrared light, making possible both basic and applied research in fields ranging from physics to biology and technology, which are not possible with more conventional equipment. ![]()
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