
Kamal Al-Din Al-Farisî (d. 1320)
Kamal Al-Din Al-Farisî observed the path of rays of light in the interior of a glass sphere in order to examine the refraction of sunlight in rain drops. This led him to an explanation of the genesis of primary and secondary rainbows. For more detail click here.
by: FSTC Limited, Mon 16 July, 2007
   
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