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Search: Posts Made By: xilman
Forum: Soap Box 2022-09-28, 06:45
Replies: 222
Views: 44,151
Posted By xilman
Why not allocate a cubic kilometre of sea water...

Why not allocate a cubic kilometre of sea water for your target and examine it with PMTs for modulated flashes?
Forum: Soap Box 2022-09-27, 19:29
Replies: 222
Views: 44,151
Posted By xilman
However, terrestrial neutrino sources are very...

However, terrestrial neutrino sources are very much closer than astrophysical source, even the Sun, and the inverse square law is enormously in their favour. Sending neutrinos a few hundred or...
Forum: Soap Box 2022-09-27, 16:20
Replies: 222
Views: 44,151
Posted By xilman
I have heard extremely plausible rumours that the...

I have heard extremely plausible rumours that the DoD have conducted experiments with pulsed neutrino beams. They are easy to generate and have global range, even to the antipodes if needed....
Forum: Soap Box 2022-09-27, 16:18
Replies: 222
Views: 44,151
Posted By xilman
AKA "lithobraking" in the astronautical...

AKA "lithobraking" in the astronautical community.
Forum: Lounge 2022-09-26, 18:53
Replies: 138
Views: 23,379
Posted By xilman
Many years ago our bed was a divan with drawers...

Many years ago our bed was a divan with drawers inside it. Our cat Brni would open a drawer, climb inside, and then turn on her back so she could walk it shut again. Completely enclosed and safe...
Forum: Lounge 2022-09-26, 16:23
Replies: 394
Views: 50,812
Posted By xilman
RHPS was released 47 years ago today. Be...

RHPS was released 47 years ago today.

Be honest: how many people here still have their corsets, fishnet stockings and cape?
Forum: Soap Box 2022-09-25, 16:48
Replies: 405
Views: 22,040
Posted By xilman
Or they would prefer to keep Russian...

Or they would prefer to keep Russian troublemakers making their trouble inside Russia.
Forum: Puzzles 2022-09-25, 16:47
Replies: 33
Views: 13,454
Posted By xilman
And do you believe in the CH?

And do you believe in the CH?
Forum: Science & Technology 2022-09-25, 16:44
Replies: 60
Views: 7,935
Posted By xilman
I get my fourth tomorrow, all being well.

I get my fourth tomorrow, all being well.
Forum: Factoring 2022-09-25, 16:43
Replies: 8
Views: 312
Posted By xilman
Kolmogorov might like to have a word with you.

Kolmogorov might like to have a word with you.
Forum: Soap Box 2022-09-21, 08:09
Replies: 405
Views: 22,040
Posted By xilman
Happened this morning instead.

Happened this morning instead.
Forum: GMP-ECM 2022-09-18, 18:51
Replies: 25
Views: 1,455
Posted By xilman
I wouldn't spend too much effort investigating it...

I wouldn't spend too much effort investigating it myself. It is interesting, but as long as the factor is valid, who cares in the end?
Forum: Lounge 2022-09-18, 18:49
Replies: 1,714
Views: 164,210
Posted By xilman
No, that is still running fine, albeit upside...

No, that is still running fine, albeit upside down because of the cpu cooling fan. Your very kind replacement fan is waiting until the old one dies completely.

Thanks for the offer. I need to...
Forum: Lounge 2022-09-18, 15:47
Replies: 1,714
Views: 164,210
Posted By xilman
The house-everything server died. Flatly refused...

The house-everything server died. Flatly refused to power anything, despite trying different PSU, mains leads etc. I guess the motherboard has caught a case of chronic death.

Luckily SWMBO's old...
Forum: MattcAnderson 2022-09-17, 06:57
Replies: 1
Views: 132
Posted By xilman
"maths" is not a plural in the UK, any more than...

"maths" is not a plural in the UK, any more than is "mathematics" anywhere. We say "Maths is hard" equivalently to "Mathematics is hard".

The difference is historical. Originally the singular was...
Forum: Astronomy 2022-09-14, 07:02
Replies: 15
Views: 896
Posted By xilman
"Almost" every amateur astronomer. The great...

"Almost" every amateur astronomer.

The great majority of amateur astronomers either live north of Sao Paulo or can access a robotic observatory in the northern hemisphere.

If I wished I could...
Forum: Astronomy 2022-09-13, 18:27
Replies: 15
Views: 896
Posted By xilman
No, it was purely coincidental that I imaged that...

No, it was purely coincidental that I imaged that region, though I admit to stealing "most important" tag from a post in Cloudy Nights. I didn't find out until this morning that there was an...
Forum: Lounge 2022-09-12, 18:32
Replies: 5
Views: 220
Posted By xilman
Happens. Try looking at the maps of roads...

Happens.

Try looking at the maps of roads (only one, actually) which cross the lava flows on La Palma.
Forum: Factoring 2022-09-11, 15:55
Replies: 106
Views: 8,490
Posted By xilman
That's not so big. We used almost that much...

That's not so big.

We used almost that much to factor RSA-129 almost thirty years ago. Sieving on moderately powerful machines by the standards of the day and linear algebra on a MasPar...
Forum: Astronomy 2022-09-10, 18:18
Replies: 15
Views: 896
Posted By xilman
Thanks for the info. I will pop by the Cambridge...

Thanks for the info. I will pop by the Cambridge branch and see whether it is worth buying.
Forum: GMP-ECM 2022-09-10, 13:27
Replies: 35
Views: 8,730
Posted By xilman
"man 1 man" goes into further detail.

"man 1 man" goes into further detail.
Forum: Astronomy 2022-09-10, 10:46
Replies: 15
Views: 896
Posted By xilman
That is also subscription-only where I live. ...

That is also subscription-only where I live.

I am told that it, like SciAm, has been so dumbed down that it is no longer worth reading. I have no idea how credible such reports may be.

In the...
Forum: Astronomy 2022-09-09, 19:31
Replies: 15
Views: 896
Posted By xilman
Nope. I do not have a subscription and have...

Nope.

I do not have a subscription and have not seen that issue. Not easily available in either the UK or La Palma.
Forum: Astronomy 2022-09-09, 12:50
Replies: 15
Views: 896
Posted By xilman
Actually, the seeing is not especially good near...

Actually, the seeing is not especially good near El Paso. We are below the inversion layer (above which sub-arcsec seeing is normal) and downwind of the Cumbre Vieja, the katabatic winds from which...
Forum: Soap Box 2022-09-09, 12:43
Replies: 17
Views: 1,214
Posted By xilman
Never heard her express any interest in that form...

Never heard her express any interest in that form of music. It is spelled with a silent-C by the way.
Showing results 1 to 25 of 1000

 
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