Strange Electromagnetic Dimensions

1 Of Turtles, Cows, Mice, and Men

The electromagnetic spectrum

What we perceive with our eyes is but a tiny fraction of reality. This tiny fraction of reality—what’s known as visible light—occupies less than one percent of the EM spectrum. The EM spectrum is the range of wavelengths over which EM radiation extends. What we refer to as “light” is simply that portion of the EM spectrum that the human eye can detect, ranging from violet (with a wavelength of 400 nanometers [nm]) at one end to red (with a wavelength of 700 nm) at the other end. We only have to look at a rainbow in the sky, or see light pass through a prism, to know that the colors between violet and red consist of indigo, blue, green, yellow, and orange. This gives us a total of ...