The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

In an innovative discovery that defied centuries of colour theory, scientists revealed that purple isn’t a real colour at all—but a clever illusion created by the brain. According to new research, ...

What to do about the ongoing war over the electromagnetic spectrum. For years the Defense Department and commercial providers ...

Scientists have revealed that purple, a popular color often associated with royalty, is fake. A figment of our imaginations.

Scientists have discovered that purple, a color not found on the light spectrum, is a brain-created illusion when red and ...