Recent Posts

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11
DB Cooper / Re: The Cooper Vortex Podcast
« Last post by Darren on February 21, 2020, 09:15:25 PM »
Russell and I are back to work after the holidays and my move from Boise to Denver. We recorded two episodes this week! One of them features a member of this forum too.
12
DB Cooper / Re: Tina Bar Money Find
« Last post by Robert99 on February 21, 2020, 04:07:05 PM »
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Perhaps both of you should stop responding to each other?

I think that is a good idea also.
13
DB Cooper / Re: Tina Bar Money Find
« Last post by Shutter on February 21, 2020, 03:51:32 PM »
Perhaps both of you should stop responding to each other?
14
DB Cooper / Re: Tina Bar Money Find
« Last post by Robert99 on February 21, 2020, 02:00:46 PM »
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I don't have the slightest idea what the lines have to do with your question.

I guess the lines are too complex for someone to understand.

How would you like the area on this photo divided? Cirles. ellipses, squiggles ...? This is where things always break down because you dont have any computer graphic skills. I guess we are screwed and communication is impossible.
Have a nice whatever . communication is impossible.

Okay, you are just saying that you don't know what those lines mean either.  But you did figure out how to draw straight lines so your intellectual capabilities are developing.

personal attack filed =

Maybe I should start filing complaints about your posts and other messages.
15
DB Cooper / Re: Tina Bar Money Find
« Last post by georger on February 21, 2020, 01:58:08 PM »
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I don't have the slightest idea what the lines have to do with your question.

I guess the lines are too complex for someone to understand.

How would you like the area on this photo divided? Cirles. ellipses, squiggles ...? This is where things always break down because you dont have any computer graphic skills. I guess we are screwed and communication is impossible.
Have a nice whatever . communication is impossible.

Okay, you are just saying that you don't know what those lines mean either.  But you did figure out how to draw straight lines so your intellectual capabilities are developing.

personal attack filed =
16
DB Cooper / Re: Tina Bar Money Find
« Last post by Robert99 on February 21, 2020, 12:53:24 PM »
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I don't have the slightest idea what the lines have to do with your question.

I guess the lines are too complex for someone to understand.

How would you like the area on this photo divided? Cirles. ellipses, squiggles ...? This is where things always break down because you dont have any computer graphic skills. I guess we are screwed and communication is impossible.
Have a nice whatever . communication is impossible.

Okay, you are just saying that you don't know what those lines mean either.  But you did figure out how to draw straight lines so your intellectual capabilities are developing.
17
DB Cooper / Re: Tina Bar Money Find
« Last post by georger on February 21, 2020, 04:21:00 AM »
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new question for Tom Kaye -

in the formation shown below what length of time does this formation represent, if you have an idea? seconds, minutes, hours, days? Notice the second stalk from left is twisted and broken for some reason.

I am not understanding your question. The picture is a diatom, it is not a formation.  Are you asking how long the diatom takes to form? If that is the question I have no idea.

Tom Kaye

Maybe Im wrong but I thought a-formosa forms as individual tubes or stalks and these combine at the valve to form a star-like assembly or colony ... part of their life cycle if they get that far. How long does the whole process take?  I could be wrong, and will do more reading. I thought I read the process doesn't take long. ? Just ignore the question until I am more informed about this!  ;) 

'Asterionella formosa cells live in colonies, joined by mucilage pads. The elongate shape of the frustules and the spiral colonies are resistant to sinking in their planktonic habitat....'  Description. Asterionella average cell size is 60–85 micrometers long and 2–4 micrometers wide. It forms colonies that often consist of eight cells, but can vary up to 20 cells. The cells in the colony are attached by the apex by extracellular matter.'  You are not allowed to view links. Register or Login

a-formosa average lifetime ~ 6 days.  In the presence of adequate nutrients and sunlight, an assemblage of living diatoms doubles approximately every 24 hours by asexual multiple fission; the maximum life span of individual cells is about six days.

A single diatom cell can divide and form two new cells. Cells may divide as quickly as once a day up to once every several weeks.

The silica cell wall is a sort of biological constraint, because with each cell division diatom cells become progressively smaller. As a result, the older the diatom cell, the smaller it is.

This is an interesting thing, that each daughter cell is smaller than the parent. The daughter cell forms a new silica cell wall inside the parent, but the rigid glass cell wall cannot expand. The baby is stuck, for its entire life, being smaller than the mom. Not only that, each daughter cell has one valve (half of a diatom cell) donated by the parent and one valve that is newly formed.

So at this point, things get philosophical. If a parent diatom cell divides and gives one cell wall to one daughter and the other cell wall to the other daughter, does the parent still exist?
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DB Cooper / Re: New Forum & News Updates
« Last post by Bruce A. Smith on February 21, 2020, 03:32:04 AM »
History Con

The upcoming DB Cooper docu on the History Channel will be highlighted at the HC's "History Con" in LA in April. Here's the link, as given to me today by Eric:

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Pasadena, CA
DB Cooper Panel
Saturday, April 4th
3:20-4:20
19
DB Cooper / Re: Tina Bar Money Find
« Last post by Tom Kaye on February 21, 2020, 03:07:10 AM »
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new question for Tom Kaye -

in the formation shown below what length of time does this formation represent, if you have an idea? seconds, minutes, hours, days? Notice the second stalk from left is twisted and broken for some reason.

I am not understanding your question. The picture is a diatom, it is not a formation.  Are you asking how long the diatom takes to form? If that is the question I have no idea.

Tom Kaye

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DB Cooper / Re: Tina Bar Money Find
« Last post by georger on February 21, 2020, 01:09:26 AM »
new question for Tom Kaye -

in the formation shown below what length of time does this formation represent, if you have an idea? seconds, minutes, hours, days? Notice the second stalk from left is twisted and broken for some reason. 
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