Light travels in straight lines from its source. While it looks white to our eyes, light is made up of a whole spectrum of colours. Our eyes can see only a small portion of the entire spectrum. We see light as Red, Orange, Yellow, Green, Blue, Indigo and violet (Roy G. Biv).
When light rays move from [...]
Tag archives for science
Bending Light (Refraction): Soap Bubbles
Creating an Imitation Rainbow Spectrum
Today in class we created an Imitation Rainbow Spectrum using just the primary colours RED, YELLOW and BLUE. We could have done this using paint but it is very limited, unless you spend a lot of time with the creation. A far more impressive spectrum can be created following the procedure below.
Goal: Creating an Imitation [...]
Light and our Eyes: Anaglyph 3-D Glasses
Most human beings come equipped with two eyes and an absolutely amazing binocular vision system. For objects up to about 6 to 7 meter away, the binocular vision system lets us easily tell with good accuracy how far away an object is. For example, if there are multiple objects in our field of view, we can automatically [...]
What causes a rainbow?
One of the most important experiments on light was made by Isaac Newton. He was the greatest of all English men of science. He discovered that sunshine (white light) is made up of many colours. Over 300 years ago, Sir Isaac Newton passed a beam of white light through a prism. A prism is a [...]
