【實用教育app】Newton's disc|最夯免費app

Spin the disc and see the rainbow colours blend to white.

Features:

Two discs available

Auto rotation mode

About:

A Newton disc, discovered by Isaac Newton, is a disc with segments in rainbow colours. When the disc is rotated, the colors fade to white; In this way Isaac Newton demonstrated that white light is a combination of the seven different colours found in a rainbow. This is due to the phenomenon called persistence of vision. It can easily be board piece. It was an important discovery as it proves that light is not colourless, but has colour in it which together converge to give a faded white colour which we consider colourless. This property is based on the principles of dispersion of light.

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