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Old 05-07-2019, 02:39 PM
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LewisM
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Spherical aberration solved...

Seems a Mexican student has resolved spherical aberration complexity to a 99% certainty, a problem long confounding physicists and opticians

https://www.osapublishing.org/ao/abs...=ao-57-31-9341
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Old 05-07-2019, 02:57 PM
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multiweb (Marc)
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Originally Posted by LewisM View Post
Seems a Mexican student has resolved spherical aberration complexity to a 99% certainty, a problem long confounding physicists and opticians

https://www.osapublishing.org/ao/abs...=ao-57-31-9341
A single lens in the shape of a sombrero.
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Old 05-07-2019, 03:16 PM
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A single lens in the shape of a sombrero.
You tryin Tequila me?
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Old 05-07-2019, 03:43 PM
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LewisM
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Might fix Paul's OOUK Wynn corrector issues
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Old 06-07-2019, 10:42 PM
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Quote:
Originally Posted by LewisM View Post
Seems a Mexican student has resolved spherical aberration complexity to a 99% certainty, a problem long confounding physicists and opticians

https://www.osapublishing.org/ao/abs...=ao-57-31-9341
Thanks for the link , would have loved to read the full article but for the $35 US ask price .

Just wish I was rich enough to effort this information
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Old 07-07-2019, 06:01 AM
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bojan
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Thanks for the link , would have loved to read the full article but for the $35 US ask price .

Just wish I was rich enough to effort this information

And we are wandering why there is so much anti-science these days...
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  #7  
Old 07-07-2019, 08:46 AM
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And we are wandering why there is so much anti-science these days...
I doubt if it's a money issue that is behind the anti science cult...it's more like ideas formed thousands of years ago are still offered as true explanations of cosmology and the diversity of life...although I guess there is a great deal of money at stake that drives some to insist ancient writings trump modern research...one only has to look at those who reject The Theory of Evolution and the Big Bang Theory on no other basis than both conflict with their "faith" .

Interestingly the recent upsurge in the flat earth cult comes from a casual reference in an ancient book that mentions "the four corners of the Earth" which is taken as evidence for a flat Earth. When you accept the high proportion of fundamentalists it is entirely possible that there may be as many as 20% of USA that will come down on the flat Earth side if pressed...and further there are still many who believe the Earth is the center of the Universe...
I saw a "documentary" with two most impressive gentlemen promoting such..their presentation was excellent and would no doubt give ammunition to the fundamentalists as a good reason to distrust science..

Damn them..What fools...they should go back to the cave if they really wish to live without science...oh an how ironic these folk use the net and computers to spread their nonsense...

What worries me is the political clout these folk enjoy...and you may recall the battle to keep "the science" of intelligent design out of a certain school was much too close for comfort.

Nevertheless charging for the paper is rather nasty in my view.
Alex
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Old 07-07-2019, 09:04 AM
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If they called it a book I guess charging would be somewhat acceptable
Alex
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