What Do You Know About Rainbows? What is the radius of the rainbow? What is the color sequence in the rainbow? What is the sky darkness and …

ATOMIC RAINBOW was detected by E. Hundhausen and H. Pauly of the University of Bonn in the scattering of sodium atoms by mercury atoms. The …

To understand how rainbows form, we need to start with sunlight. Sunlight may look white to our eyes, but it’s actually made up of 7 different colors: Red, …

There is, according to legend, a boiling pot of gold at one end. People look, but no one ever finds it. When a man looks for something beyond reach, his …

The 60-cycle current in our house wiring, the ultrasonic frequencies in our computers, the radio waves in our televisions, the microwaves in our cell …

Rainbows are actually full circles. We only see half of the rainbow because we are looking at it from the ground.

Here we survey this often forgotten history, from ancient Greeks to modern scientists, the rainbow’s colours belonging to the world of physics but also—as …