+Electromagnetic radiation is energy that travels through space as [Waves](/wiki/waves) or discrete packets called [Photons](/wiki/photons). This fundamental phenomenon encompasses everything from radio waves to gamma rays, making visible light merely a small part of its vast reach.
+## See also
+- [Light](/wiki/light)
+- [Spectrum](/wiki/spectrum)
+- [Energy](/wiki/energy)
... 1 more lines