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Search: Posts Made By: xilman
Forum: Science & Technology 2021-03-03, 18:07
Replies: 118
Views: 5,394
Posted By xilman
Today. Ox-AZ version. Second dose booked...

Today. Ox-AZ version.

Second dose booked for 2021-05-19T15:55Z.
Forum: Factoring 2021-03-03, 17:25
Replies: 6
Views: 504
Posted By xilman
Someone whom I respect greatly told me that he...

Someone whom I respect greatly told me that he had received that information from several others to whom it was new, including me.

His view is that it is unlikely to pan out in reality any time...
Forum: Lounge 2021-03-03, 17:21
Replies: 1,323
Views: 97,411
Posted By xilman
Darwinism in action. Had my first jab this...

Darwinism in action.

Had my first jab this afternoon. Must head over to the poll.
Forum: Soap Box 2021-02-24, 11:13
Replies: 685
Views: 52,690
Posted By xilman
I have found it interesting and will continue to...

I have found it interesting and will continue to read the replacement thread.

I'm a great fan of Schadenfreude.
Forum: GIMPS Board of Directors News 2021-02-24, 10:09
Replies: 12
Views: 10,208
Posted By xilman
Is this a typo, or is it some aspect of...

Is this a typo, or is it some aspect of Californian law I do not understand?

"Filed" implies past tense. July 2021 is still in the future. Should it read "will be filed" or "July 2020"?
Forum: Lounge 2021-02-23, 11:02
Replies: 1,100
Views: 85,706
Posted By xilman
A: in a lexically sorted list.

A: in a lexically sorted list.
Forum: Science & Technology 2021-02-20, 15:54
Replies: 79
Views: 6,203
Posted By xilman
An obvious solution, used throughout the world...

An obvious solution, used throughout the world where the surface gets cold but there is no permafrost, is to bury the main pipes a metre or two underground.

This doesn't prevent smaller pipes from...
Forum: Lounge 2021-02-19, 18:49
Replies: 1,682
RIP
Views: 138,934
Posted By xilman
One should never say anything but good about the...

One should never say anything but good about the dead, or so I have been told.

Accordingly, my response is: good!
Forum: Lounge 2021-02-19, 18:48
Replies: 1,682
RIP
Views: 138,934
Posted By xilman
Roger Griffen, astronomer, aged 85....

Roger Griffen, astronomer, aged 85. (https://www.joh.cam.ac.uk/stargazer-and-fellow-st-johns-dies-aged-85)
Forum: Factoring 2021-02-18, 13:35
Replies: 423
Views: 54,455
Posted By xilman
Why don't you try to find out by computation?

Why don't you try to find out by computation?
Forum: Miscellaneous Math 2021-02-17, 14:10
Replies: 32
Views: 1,383
Posted By xilman
Is this not just Dixon's algorithm? ...

Is this not just Dixon's algorithm?

Quadratic sieve is one of several optimizations to find small residues relatively quickly.
Forum: Science & Technology 2021-02-16, 10:31
Replies: 79
Views: 6,203
Posted By xilman
Drivel. There are many sources of energy and...

Drivel.

There are many sources of energy and chemical feedstock which do not include oil.

You may be too young to remember Sheik Zaki Yamani. One of his statements
was “The stone age didn’t...
Forum: Lounge 2021-02-14, 10:19
Replies: 1,100
Views: 85,706
Posted By xilman
An infinite number of mathematicians walks into a...

An infinite number of mathematicians walks into a bar. The barman says: “I can serve all of you, as long as you’re discrete.”
Forum: Lounge 2021-02-13, 17:04
Replies: 88
Views: 3,080
Posted By xilman
As many here know, I live 50% of the time near El...

As many here know, I live 50% of the time near El Paso (LP, not TX) and the remainder near Cambridge (UK, not MA).

Today the day time maximum where I presently live was 2C. The night time minimum...
Forum: Lounge 2021-02-12, 18:39
Replies: 88
Views: 3,080
Posted By xilman
According to both the good tourist guides, part...

According to both the good tourist guides, part of Hell has long since frozen over.
Forum: Lounge 2021-02-12, 18:35
Replies: 1,682
RIP
Views: 138,934
Posted By xilman
James Gunn...

James Gunn (https://www.nytimes.com/2021/02/11/books/james-gunn-dead.html) Prizewinning Science Fiction Author, Dies at 97
Forum: Soap Box 2021-02-11, 16:48
Replies: 15
Views: 450
Posted By xilman
Recycling rates are very location dependent. I...

Recycling rates are very location dependent. I believe Europe is markedly better than the US in this respect. Here in the UK we can recycle markedly more than 2 types of plastic.

Further, the...
Forum: Lounge 2021-02-07, 19:46
Replies: 88
Views: 3,080
Posted By xilman
As well as being far too expensive to manufacture...

As well as being far too expensive to manufacture and use in bulk.

CaCl2, OTOH, is a largely useless industrial by-product of the Solvay process.
Forum: Lounge 2021-02-07, 18:56
Replies: 88
Views: 3,080
Posted By xilman
Pretty much, perhaps identical, to what they use...

Pretty much, perhaps identical, to what they use in the UK, though generally used ahead of snowfall as well as afterwards.

Works well here.
Forum: Lounge 2021-02-07, 17:39
Replies: 88
Views: 3,080
Posted By xilman
Is buffalo grass vodka, aka bison grass vodka,...

Is buffalo grass vodka, aka bison grass vodka, readily available in the US?

Just poured myself a dose, at -18C of course, prompted by your post.
Forum: Lounge 2021-02-07, 17:33
Replies: 88
Views: 3,080
Posted By xilman
Good advice, of which I wasn't previously aware. ...

Good advice, of which I wasn't previously aware. Thanks!

Vodka needs to be drunk at seriously sub-zero temperatures, which is why we keep ours in the freezer. We have a jacket which is kept in...
Forum: Lounge 2021-02-07, 16:29
Replies: 88
Views: 3,080
Posted By xilman
That is what I heard too. The other end of the...

That is what I heard too. The other end of the scale, 100F, is human body temperature.

Yes, I am well aware that the latter is generally taken to be 98.4F these days, but his thermometers were...
Forum: Lounge 2021-02-07, 11:44
Replies: 88
Views: 3,080
Posted By xilman
Just started here. Drifting down very slowly....

Just started here. Drifting down very slowly. Would be horizontal but for all the bamboos and yew trees acting as windbreaks at low level.

The bamboos are performing Mexican waves in the strong...
Forum: Analysis & Analytic Number Theory 2021-02-07, 09:23
Replies: 2
Views: 475
Posted By xilman
https://en.wikipedia.org/wiki/Fermat%27s_factoriza...

https://en.wikipedia.org/wiki/Fermat%27s_factorization_method and then scroll down to "Multiplier improvement". Finally read and understand Ref. 1 ---...
Forum: LaurV 2021-02-07, 08:47
Replies: 13
Views: 914
Posted By xilman
Thanks for drawing that to my attention. Indeed...

Thanks for drawing that to my attention. Indeed hilarious.
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