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How Isaac Newton split the rainbow to crack the mystery of vision
Explore the brilliant and bizarre experiments of Isaac Newton as he risked his sight and used household prisms to unlock the secrets of light and color.
4 chapters67 assets
by diego · Nov 13, 2026
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Chapter 1
The dark room and the split sunbeam
1The plague year retreat
2The pinhole in the shutter
3The unexpected oblong
4The prism's trick
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Chapter 2
The brave and painful eye-poking experiment
1The needle behind the eye
2The mystery of phosphenes
3The eye's internal projection
4A dangerous path for science
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Chapter 3
Putting the rainbow back together
1The crucial experiment
2Reversing the rainbow
3The musical color wheel
4The spinning white disc
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Chapter 4
The global battle over light and color
1The Royal Society clash
2The Islamic golden age foundations
3Goethe's poetic color rebellion
4The birth of the reflecting telescope
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