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Re: Irradiation
From: John Huth
Date: 2010 Feb 27, 12:43 -0500
From: John Huth
Date: 2010 Feb 27, 12:43 -0500
Marcel -
Next time, I may have them do that. I didn't set out to test this effect, but stumbled on it after we'd gone through the exercise and analyzed the results. It was an interesting exercise - I like your suggestion. I'll add it in next time.
John H.
Next time, I may have them do that. I didn't set out to test this effect, but stumbled on it after we'd gone through the exercise and analyzed the results. It was an interesting exercise - I like your suggestion. I'll add it in next time.
John H.
On Sat, Feb 27, 2010 at 12:32 PM, Marcel Tschudin <marcel.e.tschudin@gmail.com> wrote:
On Sat, Feb 27, 2010 at 7:20 PM, Apache Runner <apacherunner@gmail.com> wrote:OK, yes. However, remembering the difficulties the surveyors
> In my case, we weren't limited by refraction.
>
> I had the students measure the angular height of a steeple that was only a
> mile distant, and they systematically overestimated the height by a
> significant amount, yet the refractive effects were small. I could imagine
> that there are many ways of taking out refraction as a factor, this would be
> one of them.
encountered when measuring heights, it might even have been preferable
to do this exercise by having them measured the width of the steeple.
Marcel
