My grandchildren love it - I hope it does them some good !
...Wayne
> -----Original Message-----
> From: olympus <olympus-
> bounces+wayne.harridge=structuregraphs.com@xxxxxxxxxxxxxxxxx> On
> Behalf Of Mike Gordon via olympus
> Sent: Monday, 12 August 2019 7:57 AM
> To: olympus@xxxxxxxxxxxxxxxxx
> Cc: usher99@xxxxxxx
> Subject: [OM] Wasserman-wolf problem solved by graduate student--should
> be helpful to lens designers.
>
> A direct numerical solution for aspherics to correct spherical
aberration in
> lens design has been a vexing problem. Often now can use a pair of
> aspherics with a brute force approach to correct much of it but the
calibration
> of such lenses depend on imprecise calculation. A Ph.D. student in
> nanotechnology came up with an idea for the solution for this almost
> mythical problem while eating bread with Nutella. Less than a day later,
the
> program confirmed an exact solution.
>
> https://phys.org/news/2019-08-physicists-year-old-optical-problem.html
>
>
> It should certainly have some simplifying effects on lens design.
>
> Nutella added to grocery list, Mike
>
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