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Search: Posts Made By: a1call
Forum: Lounge 2021-09-16, 23:28
Replies: 1,448
Views: 148,203
Posted By a1call
COVID-19 has now killed 1 in 500 Americans ...

COVID-19 has now killed 1 in 500 Americans


https://www.popsci.com/health/one-in-500-americans-dead-from-covid/

Hard to grasp the enormous pain and suffering of the souls who have perished....
Forum: Puzzles 2021-09-06, 17:31
Replies: 58
Views: 1,443
Posted By a1call
I think her name is Wilma. As for the pleasant...

I think her name is Wilma. As for the pleasant evening, I wouldn’t count on that. He is probably cooking up a new scheme with Barney Rubble which will eventually get him into trouble. :smile:
Forum: Puzzles 2021-09-05, 18:52
Replies: 58
Views: 1,443
Posted By a1call
If I understand correctly, you are describing a...

If I understand correctly, you are describing a square base (area = 1 units square) with a free-formed dome (area = 2 units square). A sphere is the most optimum general minimized surface, but it has...
Forum: Puzzles 2021-09-05, 01:28
Replies: 58
Views: 1,443
Posted By a1call
Well, I could probably write a PARI-GP code to do...

Well, I could probably write a PARI-GP code to do the same. But for me CAD is the Path-of Least-Resistance.
If you have something else in mind, then you are better in geometry than I am.
ETA It...
Forum: Puzzles 2021-09-05, 00:23
Replies: 58
Views: 1,443
Posted By a1call
SolidWorks files are not valid for upload so they...

SolidWorks files are not valid for upload so they were zipped. :smile:
Forum: Puzzles 2021-09-05, 00:11
Replies: 58
Views: 1,443
Posted By a1call
So, I finally had some spare time for this. ...

So, I finally had some spare time for this.

FWIW:
The optimum distance between the 2 circles should be less than 1/2 meter away from 66.5 m.

I will attach the SolidWorks files next. :smile:
Forum: Puzzles 2021-09-01, 14:42
Replies: 58
Views: 1,443
Posted By a1call
FTR, FWIW, I won’t be able to put any time on...

FTR, FWIW, I won’t be able to put any time on this puzzle before the weekend. It should be easy to verify things with a parametric CAD model. If possible I will attach a file and folks can verify...
Forum: Puzzles 2021-09-01, 01:41
Replies: 58
Views: 1,443
Posted By a1call
There seems to be similarities to the Trammel of...

There seems to be similarities to the Trammel of Archimedes dating back to at least 5th century:

The Sofa with hinged armrests.

https://en.wikipedia.org/wiki/Trammel_of_Archimedes
...
Forum: Puzzles 2021-08-30, 22:26
Replies: 58
Views: 1,443
Posted By a1call
Attached is the maximization-optimum I get using...

Attached is the maximization-optimum I get using CAD and successive approximation to more than 1 m resolution. :smile:
Forum: Miscellaneous Math 2021-08-29, 18:29
Replies: 21
Views: 866
Posted By a1call
FWIW, for odd positive integers a, b & n = a*b,...

FWIW, for odd positive integers a, b & n = a*b, there are relationships between the factors of n-1 and factors of n which can be used to make the solution-space for factors of n smaller. However this...
Forum: Puzzles 2021-08-29, 06:56
Replies: 58
Views: 1,443
Posted By a1call
That is cool Matt. The fence being on only 3...

That is cool Matt. The fence being on only 3 sides, somehow changes the expected maximization (if it were on all 4 sides) at a square configuration to a rectangular one.

I haven't quite got my...
Forum: Miscellaneous Math 2021-08-21, 01:52
Replies: 45
Views: 2,059
Posted By a1call
Ok, to elaborate further: * The infinite...

Ok, to elaborate further:

* The infinite series sum:
sum_(n=1)^∞ (1/a)^n
converges for all real numbers a such that a>1
...
Forum: Miscellaneous Math 2021-08-20, 23:24
Replies: 45
Views: 2,059
Posted By a1call
Well, from that we could jump to ...

Well, from that we could jump to

sum_(n=1)^∞ (a/(a+1))^n = a

https://www.wolframalpha.com/input/?i=sum_%28n%3D1%29%5E%E2%88%9E+%28a%2F%28a%2B1%29%29%5En

and

1/x=a/(a+1) solve for x => x...
Forum: Miscellaneous Math 2021-08-20, 22:54
Replies: 45
Views: 2,059
Posted By a1call
Yes, you are correct. I erred as usual in...

Yes, you are correct. I erred as usual in entering the formula:
https://www.wolframalpha.com/input/?i=series+1%2F%281.1%29%5En+converges
Forum: Miscellaneous Math 2021-08-20, 22:45
Replies: 45
Views: 2,059
Posted By a1call
sum_(n=1)^∞ 1.1^n diverges to ∞ ...

sum_(n=1)^∞ 1.1^n diverges to ∞

https://www.wolframalpha.com/input/?i=series+%281.1%29%5En+converges
Forum: Miscellaneous Math 2021-08-20, 21:54
Replies: 45
Views: 2,059
Posted By a1call
I have no way of proving any of the following, so...

I have no way of proving any of the following, so I state them as virtual (as opposed to literal) wagers:

* There are infinite Mersenne primes
* The sum of the reciprocals of...
Forum: Puzzles 2021-08-09, 02:56
Replies: 13
Views: 748
Posted By a1call
15 Notable People Who Dropped Out of School ...

15 Notable People Who Dropped Out of School



https://people.howstuffworks.com/15-notable-people-who-dropped-out-of-school.htm
Forum: Linux 2021-08-06, 22:28
Replies: 8
Views: 703
Posted By a1call
The way I understood the idea, is to use a cell...

The way I understood the idea, is to use a cell phone as a hotspot wifi to route cellular data to multiple wifi clients.
In my neck of the woods, there are no issues (technically or contractually)...
Forum: Hardware 2021-07-31, 04:52
Replies: 18
Views: 1,290
Posted By a1call
I googled: whynotwin11 malware The site...

I googled:
whynotwin11 malware

The site www. joesandbox. com reports it as Malicious:



Here is a closed GitHub discussion regarding false ownership:
...
Forum: Hardware 2021-07-30, 22:38
Replies: 18
Views: 1,290
Posted By a1call
Well, the thing is I did not have a warning the...

Well, the thing is I did not have a warning the 1st time I ran the program (Or at least I can't remember to).
There are not any other complaints indexed by google anywhere so far.
The attachment is...
Forum: Hardware 2021-07-30, 21:03
Replies: 18
Views: 1,290
Posted By a1call
Acknowledged with thanks. FTR I did not have...

Acknowledged with thanks.
FTR I did not have any warnings the 1st time I ran it when I initially posted.
Only when I ran it today.
Forum: Hardware 2021-07-30, 19:41
Replies: 18
Views: 1,290
Posted By a1call
FTR my Antivirus software just reported that it...

FTR my Antivirus software just reported that it blocked a suspicious activity by WhyNotWin11.

Can a Mod please remove the links and references in post-1.

If you have run the software already...
Forum: Forum Feedback 2021-07-28, 05:23
Replies: 30
Views: 1,295
Posted By a1call
Yes, and they can be launched without...

Yes, and they can be launched without enabling-JavaScript/"Trust"-ing-"this"-document, which is probably why Adobe has discontinued Flash. But as you said it is a balancing act. Still, it seems...
Forum: Forum Feedback 2021-07-27, 16:13
Replies: 30
Views: 1,295
Posted By a1call
https://support.microsoft.com/en-us/topic/frequent...

https://support.microsoft.com/en-us/topic/frequently-asked-questions-about-word-macro-viruses-b935417e-9064-8121-6e63-26f115d7290a


Sound like an unnecessary liability to me.
A disclaimer at the...
Forum: LaurV 2021-07-22, 17:11
Replies: 10
Views: 603
Posted By a1call
Hey, I found this with a Google search, I think...

Hey, I found this with a Google search, I think it's appropriate here:



https://youtu.be/WZEJ4OJTgg8
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