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A Mexican Physicist Solved a 2,000-Year Old Problem

 
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pilight



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PostPosted: 08/08/19 10:00 am    ::: A Mexican Physicist Solved a 2,000-Year Old Problem Reply Reply with quote
A Mexican Physicist Solved a 2,000-Year Old Problem That Will Lead to Cheaper, Sharper Lenses

https://gizmodo.com/a-mexican-physicist-solved-a-2-000-year-old-problem-tha-1837031984

Quote:
It’s a phenomenon known as spherical aberration, and it’s a problem that even Isaac Newton and Greek mathematician Diocles couldn’t crack.






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Howee



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PostPosted: 08/08/19 9:23 pm    ::: Reply Reply with quote
I'm not at all clear on how this heretofore unsolvable problem has been in existence for 2000 years. Certainly, there were no 'cameras' that long ago....clarification?



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pilight



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PostPosted: 08/08/19 9:43 pm    ::: Reply Reply with quote
Howee wrote:
I'm not at all clear on how this heretofore unsolvable problem has been in existence for 2000 years. Certainly, there were no 'cameras' that long ago....clarification?


Same problem affects lenses of all types. Magnifying glasses like the Nimrud Lens have been used since antiquity. Pliny the Elder described emperor Nero using a corrective lens to view gladiatorial matches.



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