Sight

Humans are "trichromatic," meaning we see a blend of three primary colors. However, we are blind to the vast majority of the light spectrum.

see infrared, essentially seeing the "heat" signatures of their prey in total darkness. Humans are "trichromatic," meaning we see a blend

Here is a look at the strange, beautiful mechanics of how we see: The Brain’s Best Guess Here is a look at the strange, beautiful

We don’t actually "see" with our eyes; we see with our visual cortex. The data the eye sends to the brain is actually quite messy—it’s upside down, distorted by the curve of the lens, and has a massive "blind spot" where the optic nerve attaches. Your brain essentially acts as a world-class editor, flipping the image, filling in the gaps, and smoothing out the jitters to create a seamless movie of reality. The Color Illusion The Color Illusion Our sight is a form of time travel

Our sight is a form of time travel. Because light takes time to travel, you never see the world exactly as it is "now." You see it as it was 1.3 seconds ago. The Sun: You see it as it was 8 minutes ago.

Sight is the only sense that can travel across the universe. While touch is limited to your skin and hearing to the vibration of the air around you, your eyes can catch photons that began their journey from a star millions of light-years away.