date:20220722

[FRIAM] Here's a more down to earth Q

2022-07-22 Thread Gillian Densmore

Given rootbear floats is one of the GOAT hot weather drinks:
How is it that we sat down one day and said: you know this ginger,
spices, sarsaparilla?
what happens when its carbonated, then mixed with very cold
crtystalized  dihydrogen monoxide, and decided it was yummy?
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Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

2022-07-22 Thread Tom Johnson

Thanks.

On Fri, Jul 22, 2022 at 7:20 AM Roger Critchlow  wrote:

> Ah, but google finds the complete text at
> https://www.feynmanlectures.caltech.edu/ and the videos on youtube.com
>
> -- rec --
>
> On Fri, Jul 22, 2022 at 9:16 AM Roger Critchlow  wrote:
>
>> This content isn't available right now
>> When this happens, it's usually because the owner only shared it with a
>> small group of people, changed who can see it or it's been deleted.
>>
>> On Fri, Jul 22, 2022 at 5:45 AM Tom Johnson 
>> wrote:
>>
>>>
>>> https://www.facebook.com/1564202305/posts/pfbid026z42fYrezJyiZwvzuvJh9R847MRqFdFJdP68czLuiZt3pPHFKMizR3YdVxtx2swBl/?sfnsn=mo
>>>
>>> ===
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>>>
>> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .
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>


-- 

Tom Johnson - t...@jtjohnson.com
Institute for Analytic Journalism   -- Santa Fe, NM USA
505.577.6482(c)505.473.9646(h)

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Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

2022-07-22 Thread Stephen Guerin

I don't know what you're experience was at Carnegie Tech / CMU, but we
don't give credit for partial work here ;-p
___
stephen.gue...@simtable.com 
CEO, https://www.simtable.com 
1600 Lena St #D1, Santa Fe, NM 87505
office: (505)995-0206 mobile: (505)577-5828


On Fri, Jul 22, 2022 at 2:45 PM Frank Wimberly  wrote:

> Alternatively, bisect the segment S2 and draw a line from alpha to that
> point.
>
> ---
> Frank C. Wimberly
> 140 Calle Ojo Feliz,
> Santa Fe, NM 87505
>
> 505 670-9918
> Santa Fe, NM
>
> On Fri, Jul 22, 2022, 2:38 PM Stephen Guerin 
> wrote:
>
>> Yes, that's what I was calling "splitting the slanted face" this morning.
>> Keep going... :-)
>> ___
>> stephen.gue...@simtable.com 
>> CEO, https://www.simtable.com 
>> 1600 Lena St #D1, Santa Fe, NM 87505
>> office: (505)995-0206 mobile: (505)577-5828
>>
>>
>> On Fri, Jul 22, 2022 at 2:29 PM Frank Wimberly 
>> wrote:
>>
>>> Drop a perpendicular from the alpha vertex to S2.
>>>
>>> ---
>>> Frank C. Wimberly
>>> 140 Calle Ojo Feliz,
>>> Santa Fe, NM 87505
>>>
>>> 505 670-9918
>>> Santa Fe, NM
>>>
>>> On Fri, Jul 22, 2022, 1:34 PM Stephen Guerin <
>>> stephen.gue...@simtable.com> wrote:
>>>
 Today at Friam, I showed a small problem I was working on in
 photogrammetry. Attached is a Netlogo visualization of the geometry of the
 system.

 The problem is:  given an image where we know two star coordinates (RA,
 DEC), solve for the field of view of the image. We can get the spherical
 angle between the stars (alpha) and we know the principal point and two UV
 coordinates in the image. These create a right triangle pyramid and I want
 to solve for the height X (focal length). Here's a diagram.

 [image: rightTrianglePyramid.jpg]
 Law of Cosines can get all the interior angles of the bases with S1,
 S2, S3.



 ___
 stephen.gue...@simtable.com 
 CEO, https://www.simtable.com 
 1600 Lena St #D1, Santa Fe, NM 87505
 office: (505)995-0206 mobile: (505)577-5828

>>> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .
> FRIAM Applied Complexity Group listserv
> Fridays 9a-12p Friday St. Johns Cafe   /   Thursdays 9a-12p Zoom
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> FRIAM-COMIC http://friam-comic.blogspot.com/
> archives:  5/2017 thru present
> https://redfish.com/pipermail/friam_redfish.com/
>   1/2003 thru 6/2021  http://friam.383.s1.nabble.com/
>
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Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

2022-07-22 Thread Frank Wimberly

Alternatively, bisect the segment S2 and draw a line from alpha to that
point.

---
Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Fri, Jul 22, 2022, 2:38 PM Stephen Guerin 
wrote:

> Yes, that's what I was calling "splitting the slanted face" this morning.
> Keep going... :-)
> ___
> stephen.gue...@simtable.com 
> CEO, https://www.simtable.com 
> 1600 Lena St #D1, Santa Fe, NM 87505
> office: (505)995-0206 mobile: (505)577-5828
>
>
> On Fri, Jul 22, 2022 at 2:29 PM Frank Wimberly 
> wrote:
>
>> Drop a perpendicular from the alpha vertex to S2.
>>
>> ---
>> Frank C. Wimberly
>> 140 Calle Ojo Feliz,
>> Santa Fe, NM 87505
>>
>> 505 670-9918
>> Santa Fe, NM
>>
>> On Fri, Jul 22, 2022, 1:34 PM Stephen Guerin 
>> wrote:
>>
>>> Today at Friam, I showed a small problem I was working on in
>>> photogrammetry. Attached is a Netlogo visualization of the geometry of the
>>> system.
>>>
>>> The problem is:  given an image where we know two star coordinates (RA,
>>> DEC), solve for the field of view of the image. We can get the spherical
>>> angle between the stars (alpha) and we know the principal point and two UV
>>> coordinates in the image. These create a right triangle pyramid and I want
>>> to solve for the height X (focal length). Here's a diagram.
>>>
>>> [image: rightTrianglePyramid.jpg]
>>> Law of Cosines can get all the interior angles of the bases with S1, S2,
>>> S3.
>>>
>>>
>>>
>>> ___
>>> stephen.gue...@simtable.com 
>>> CEO, https://www.simtable.com 
>>> 1600 Lena St #D1, Santa Fe, NM 87505
>>> office: (505)995-0206 mobile: (505)577-5828
>>>
>>
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  1/2003 thru 6/2021  http://friam.383.s1.nabble.com/

Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

2022-07-22 Thread Stephen Guerin

Yes, that's what I was calling "splitting the slanted face" this morning.
Keep going... :-)
___
stephen.gue...@simtable.com 
CEO, https://www.simtable.com 
1600 Lena St #D1, Santa Fe, NM 87505
office: (505)995-0206 mobile: (505)577-5828


On Fri, Jul 22, 2022 at 2:29 PM Frank Wimberly  wrote:

> Drop a perpendicular from the alpha vertex to S2.
>
> ---
> Frank C. Wimberly
> 140 Calle Ojo Feliz,
> Santa Fe, NM 87505
>
> 505 670-9918
> Santa Fe, NM
>
> On Fri, Jul 22, 2022, 1:34 PM Stephen Guerin 
> wrote:
>
>> Today at Friam, I showed a small problem I was working on in
>> photogrammetry. Attached is a Netlogo visualization of the geometry of the
>> system.
>>
>> The problem is:  given an image where we know two star coordinates (RA,
>> DEC), solve for the field of view of the image. We can get the spherical
>> angle between the stars (alpha) and we know the principal point and two UV
>> coordinates in the image. These create a right triangle pyramid and I want
>> to solve for the height X (focal length). Here's a diagram.
>>
>> [image: rightTrianglePyramid.jpg]
>> Law of Cosines can get all the interior angles of the bases with S1, S2,
>> S3.
>>
>>
>>
>> ___
>> stephen.gue...@simtable.com 
>> CEO, https://www.simtable.com 
>> 1600 Lena St #D1, Santa Fe, NM 87505
>> office: (505)995-0206 mobile: (505)577-5828
>>
>
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Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

2022-07-22 Thread Roger Critchlow

Ah, but google finds the complete text at
https://www.feynmanlectures.caltech.edu/ and the videos on youtube.com

-- rec --

On Fri, Jul 22, 2022 at 9:16 AM Roger Critchlow  wrote:

> This content isn't available right now
> When this happens, it's usually because the owner only shared it with a
> small group of people, changed who can see it or it's been deleted.
>
> On Fri, Jul 22, 2022 at 5:45 AM Tom Johnson 
> wrote:
>
>>
>> https://www.facebook.com/1564202305/posts/pfbid026z42fYrezJyiZwvzuvJh9R847MRqFdFJdP68czLuiZt3pPHFKMizR3YdVxtx2swBl/?sfnsn=mo
>>
>> ===
>> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .
>> FRIAM Applied Complexity Group listserv
>> Fridays 9a-12p Friday St. Johns Cafe   /   Thursdays 9a-12p Zoom
>> https://bit.ly/virtualfriam
>> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com
>> FRIAM-COMIC http://friam-comic.blogspot.com/
>> archives:  5/2017 thru present
>> https://redfish.com/pipermail/friam_redfish.com/
>>   1/2003 thru 6/2021  http://friam.383.s1.nabble.com/
>>
>
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Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

2022-07-22 Thread Roger Critchlow

This content isn't available right now
When this happens, it's usually because the owner only shared it with a
small group of people, changed who can see it or it's been deleted.

On Fri, Jul 22, 2022 at 5:45 AM Tom Johnson  wrote:

>
> https://www.facebook.com/1564202305/posts/pfbid026z42fYrezJyiZwvzuvJh9R847MRqFdFJdP68czLuiZt3pPHFKMizR3YdVxtx2swBl/?sfnsn=mo
>
> ===
> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .
> FRIAM Applied Complexity Group listserv
> Fridays 9a-12p Friday St. Johns Cafe   /   Thursdays 9a-12p Zoom
> https://bit.ly/virtualfriam
> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com
> FRIAM-COMIC http://friam-comic.blogspot.com/
> archives:  5/2017 thru present
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>   1/2003 thru 6/2021  http://friam.383.s1.nabble.com/
>
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[FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

2022-07-22 Thread Tom Johnson

https://www.facebook.com/1564202305/posts/pfbid026z42fYrezJyiZwvzuvJh9R847MRqFdFJdP68czLuiZt3pPHFKMizR3YdVxtx2swBl/?sfnsn=mo

===
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[FRIAM] Here's a more down to earth Q

Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

Re: [FRIAM] Simple Trig/Geometry challenge. Win a $50 Amazon card :-)

Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

Re: [FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

[FRIAM] All Of Feynman’s Lectures Now Available Online Completely Free

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