6 Prisms reflecting spectral colours
Numéro d’image : 11696361
| An arrangement of 6 prisms sitting on a sheet of paper bearing the image of 2 crossed sprectral beams. Each prism refracts the various background colours but does not alter them. In Isaac Newton's time,it was believed that white light was colourless,and that the prism itself produced the colour. Newton's experiments convinced him that all the colours already existed in the light in a heterogeneous fashion,and that "corpuscles" (particles) of light were fanned out because particles with different colours travelled with different speeds through the prism | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Parker, David |
| Taille de l’image : | 5438 px × 6427 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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