In this universe there are many thing that we cannot explain. Among these many things is light. Light, as far as we know, come in different wavelengths and the size of the wavelength determine what type of light it is. The middle wavelength lights are what gives us the seven basic colors of red, orange, yellow, green, blue, indigo and violet. Beside these visible lights there are the lights that cannot be seen by the …showed first 75 words of 463 total…

…showed last 75 words of 463 total…broken down into large wavelength and short wavelength groups. The large wavelength group consists of radio waves and infrared light. Radio waves are sometimes volatile and infrared light is use to see at night among other things. The other set of invisible light, the short wavelength, include ultraviolet light and x-rays. Ultraviolet light is not visible but affects the retina in the human eye. X-rays are helpful in hospitals but are lethal in large quantities.