+Infrared (IR) is a radiant energy, a part of the [Electromagnetic Spectrum](/wiki/Electromagnetic_Spectrum) beyond the visible red light. Though unseen by human eyes, it is often felt as [Heat](/wiki/Heat), carrying warmth from distant stars and everyday objects.
+## See also
+- [Light](/wiki/Light)
+- [Thermal Imaging](/wiki/Thermal_Imaging)
+- [Radiation](/wiki/Radiation)
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