How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

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, ...

Try to hold your phone steady while taking the picture. Visible light is just a small portion of the whole electromagnetic spectrum. In this part of the spectrum, different wavelengths will give off ...

The electromagnetic spectrum is a continuous range of wavelengths ... but the signal is weakened on doing so. Optical fibres (visible light to infrared) are used for cable television and high ...

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