The invisible architecture of energy across the electromagnetic spectrum

Electromagnetic Spectrum · 13:53 · Video: Mike Sammartano · Watch at the source

In short: From radio waves to gamma rays, understand how different types of electromagnetic radiation define our physical reality. This overview explains why these waves travel at the same speed yet behave so differently in our world.

The electromagnetic spectrum represents the complete distribution of all electromagnetic radiation categorized by frequency or wavelength. While every wave on this spectrum travels at the speed of light in a vacuum, they vary significantly in photon energy and behavior during emission, transmission, and absorption.

The spectrum is divided into contiguous portions like radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. Because there are no precise accepted boundaries between these ranges, the categories often overlap. These distinctions are largely based on their specific practical applications and how they interact with matter.

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