A Bow of Many Colors Over the years, scientists have learned it takes three criteria—three laws of the universe— to produce a rainbow. Absent any one of them, you get nothing. First, the law of refraction. When sunlight enters an
A Bow of Many Colors Over the years, scientists have learned it takes three criteria—three laws of the universe— to produce a rainbow. Absent any one of them, you get nothing. First, the law of refraction. When sunlight enters an