There are seven colors in the visible light spectrum: red, orange, yellow, green, blue, indigo, and violet (ROY G BIV).
Fire and lasers are both super cool — but which is COOLER?
What if the color that you call blue and the color I call blue don’t look the same at all?
The universe is awash with radiation, from long wavelength radio waves to short wavelength gamma rays.
This little device pulls your local UV index from EPA and display the UV level in 5 different colors and also displays details on the OLED.
In this Instructable, we’re going to make a basic Arduino-powered spectrophotometer, using a little prism to create and use our own rainbow.
Why would you want to look at those tiny led displays or those small LCD’s if you can do it big?
For this simple experiment you need a coin, water and a glass.
The world is full of colors. Almost all of them can be described by a wavelength of visible light, but there are some colors out there that are just in your head!
How enlightened are you about the subject of light? Play this trivia game to find out!
Take an enlightening look at light with these three easy experiments.
Color is everywhere ‘on the desert’, but, also under the desert, and over the desert. It is earth, plant, air.
