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Sunlight consists of electromagnetic radiation of wavelengths from 20 microns at the far infrared end to 200 nanometres at the far ultraviolet end.
Sun's energy is produced by nuclear fusion, which gives off electromagnetic radiation.
This new heating device uses electromagnetic radiation to heat the human body from the inside out, similar to how warmth is received from the sun.
X rays are electromagnetic radiation that differentially penetrates structures within the body and creates images of these structures on photographic film or a fluorescent screen.
X-ray - pictures of the bones taken using electromagnetic radiation.