Electromagnetic waves are members of a family of waves with common properties called the electromagnetic spectrum. ... Frequency Wavelength Radiation type Typical wavelength in m Typical use; Lowest: ...

X-rays have even shorter wavelengths and are used by doctors to see inside our bodies. Gamma rays have the shortest wavelengths. They are produced by nuclear reactions and are used to treat cancer.

For thousands of years, humans were looking up at the star-studded night sky using just their eyes sensitive to the optical wavelength of the electromagnetic spectrum.The first telescopes ...

All forms of electromagnetic radiation, whether they're called waves or rays, are generated by particles in motion. In a radio signal, for example, negatively charged electrons quickly move back ...

The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. ( 1) Different types of electromagnetic radiation such as radio waves, microwaves, visible light, ...

While research on the frequencies used in 5G is limited, studies show health effects of electromagnetic fields across the spectrum. However, the results are inconsistent ...

Terahertz (THz) technology refers to the use of electromagnetic waves in the terahertz (1 THz = 10 12 Hz) region of the electromagnetic spectrum that covers the frequency range from roughly 0.1 to 50 ...