Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves.

Dec 18, 2025 · infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Invisible to …

Mar 19, 2025 · Infrared light, also called infrared radiation or IR waves, is a type of electromagnetic radiation with wavelengths longer than visible light but shorter than …

Aug 10, 2016 · Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption. Thus, infrared …

Aug 16, 2013 · But visible light, the only light our eyes can see, makes up just a tiny sliver of all the light in the world around us. Infrared light falls just outside the visible spectrum, beyond the …

Mar 14, 2024 · Infrared is a type of energy on the electromagnetic spectrum. Invisible to the human eye, infrared energy is given off by all heat sources. Discovered in 1800 by William …

Infrared radiation was discovered by William Herschel in 1800. He was studying the heating effect of different colours of light by using a prism to produce a spectrum of colours and …

Infrared light stimulates collagen and elastin production, helping improve skin elasticity and reduce fine lines and wrinkles. It also promotes better blood flow, giving the skin a youthful …

Infrared radiation (IR) is a type of radiant energy, with longer wavelengths than the visible light humans can see, but shorter wavelengths than radio waves. Its range extends from fairly small …

2 days ago · Red light therapy (RLT) is a skin treatment that uses low-level red light to increase collagen and reduce acne, scars and fine lines.