RE: [atm_free] and [ATM] zone one challenge

["Scott Milligan" <starzkey@charter.net>]

Steve and all:

I've been busy for a few days, and so missed the chance to join in the fun.
When I took the challenge, my answer was to choose either frame H or I.

> Lessons learned: Use narrower mask openings, or maybe throw away the mask.
> Use a finer slit, or better yet a point source. Pay attention to dynamics.
> Don't trust your lying eyes.

I agree with these suggestions from Mike Peck.


I would like to add a plug for one more suggestion; build and learn to use
an interferometer! Having multiple techniques available to cross check each
other can reduce uncertainty, and the interferometer will measure asymmetric
errors as well as symmetrical.  Plus, its' fun.

Scott Milligan



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