How is Laser Light different from ordinary sunlight?
Sun light is a mixture of seven different colors, whereas Laser Light is always of one single color. (Monochromatic). Sunlight is disorderly whereas Laser Light is very orderly (Coherent). Sunlight is not parallel whereas Laser Light runs parallel (Collimated). The stimulating properties of Laser Light comes from these differences combined with the overall difference in power concentration.