The Synthesis of "wavelength"

Discover what wavelength is and how this fundamental property of waves shapes everything from the colors we see to the technology we use daily.

Explore the full range of light, from radio waves to gamma rays. Learn how the electromagnetic spectrum shapes our technology and view of the cosmos.

Explore frequency, the measure of wave oscillations per second. Learn how this fundamental concept defines everything from light and sound to the cosmos.

Discover blueshift, the phenomenon where light waves shorten as an object moves toward an observer. Learn its role in astronomy and the Doppler effect.

Discover redshift, where light from distant galaxies stretches to redder wavelengths, providing key evidence for the universe's expansion.

Discover radio waves, the invisible part of the electromagnetic spectrum that powers everything from your Wi-Fi to our understanding of the cosmos.

An explanation of absorption spectra and how these unique "fingerprints" of elements are used to analyze materials from distant stars to our own planet.

An introduction to infrared, the invisible electromagnetic radiation we feel as heat, and its growing applications in technology, health, and more.

An introduction to light as a fundamental element of our universe, exploring its dual nature and its growing importance in modern technology.

An overview of ultraviolet (UV) light, its role in health from vitamin D synthesis to skin cancer risks, and its growing use in technology.