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Search: Posts Made By: xilman
Forum: Lounge 2021-04-14, 16:15
Replies: 1,708
RIP
Views: 149,479
Posted By xilman
Rule of thumb: if the promised returns from an...

Rule of thumb: if the promised returns from an investment sound too good to be true, they probably are.

I've relatively little sympathy for the old and greedy.
Forum: Science & Technology 2021-04-13, 15:36
Replies: 48
Views: 10,692
Posted By xilman
Locusts make good human food too. I speak...

Locusts make good human food too.

I speak from experience.
Forum: jwaltos 2021-04-12, 17:57
Replies: 6
Views: 208
Posted By xilman
I strongly recommend that you do read it.

I strongly recommend that you do read it.
Forum: Homework Help 2021-04-12, 10:30
Replies: 20
Views: 781
Posted By xilman
I realise that is profoundly misleading, not to...

I realise that is profoundly misleading, not to say wrong.

37# is certainly >7.4 billion, and so on, but the procedure outlined work only to 41^2-1 = 1680 as a primality test. It filters out 85%...
Forum: Homework Help 2021-04-11, 19:18
Replies: 20
Views: 781
Posted By xilman
To check for divisibility by 7, 11 and 13...

To check for divisibility by 7, 11 and 13 simultaneously use the rule-of-eleven three digits at a time and examine the result.

I quite often use this to check primality of small numbers (<30030)...
Forum: Puzzles 2021-04-11, 13:00
Replies: 5
Views: 145
Posted By xilman
Quantum tunnelling? ...

Quantum tunnelling?


https://en.wikipedia.org/wiki/Quantum_tunnelling#Faster_than_light
Forum: Science & Technology 2021-04-11, 12:56
Replies: 48
Views: 10,692
Posted By xilman
Exactly what I did. Hit reply instead of edit.

Exactly what I did. Hit reply instead of edit.
Forum: Science & Technology 2021-04-11, 07:57
Replies: 48
Views: 10,692
Posted By xilman
True. The real reason is that I hit reply,...

True.

The real reason is that I hit reply, not edit.
Forum: Science & Technology 2021-04-10, 18:52
Replies: 48
Views: 10,692
Posted By xilman
Were you there back in 1979? According to...

Were you there back in 1979?

According to the Beeb "Local media have also reported increased activity from Mount Pelee on the island of Martinique, north of St Vincent."

Those with a knowledge...
Forum: Science & Technology 2021-04-10, 18:49
Replies: 48
Views: 10,692
Posted By xilman
Were you there back in 1979?

Were you there back in 1979?
Forum: Science & Technology 2021-04-10, 17:23
Replies: 2,886
Views: 216,484
Posted By xilman
Laser cooling of anti-hydrogen...

Laser cooling of anti-hydrogen (https://physicsworld.com/a/breakthrough-in-laser-cooling-antihydrogen-could-reveal-why-matter-dominates-the-universe/)
Forum: Lounge 2021-04-09, 14:33
Replies: 1,708
RIP
Views: 149,479
Posted By xilman
Phil the Greek

https://www.bbc.co.uk/news/uk-11437314
Forum: Tales From the Crypt(o) 2021-04-05, 15:07
Replies: 280
Views: 66,781
Posted By xilman
Long before the invention of radio and...

Long before the invention of radio and television, people were writing autobiographies.
Forum: Science & Technology 2021-04-05, 15:06
Replies: 189
Views: 9,234
Posted By xilman
Yup. It doesn't much matter as long as you get...

Yup. It doesn't much matter as long as you get the second within 3 months of the first.

For the avoidance of doubt: that's what the medics say and I'm just repeating it. Please don't be tempted to...
Forum: Programming 2021-04-05, 15:04
Replies: 2
Views: 190
Posted By xilman
Released it how and where? Hard to give...

Released it how and where?

Hard to give feedback without access to it.
Forum: Soap Box 2021-04-05, 11:51
Replies: 46
Views: 1,112
Posted By xilman
Wrong. The first gold and silver coins were...

Wrong.

The first gold and silver coins were minted over 2500 years ago in Greece. Promissory notes date from 6th century China.

Commodity money (https://en.wikipedia.org/wiki/Commodity_money)...
Forum: PrimeNet 2021-04-03, 16:00
Replies: 11
Views: 384
Posted By xilman
Remember: two wrongs do not make a right. ...

Remember: two wrongs do not make a right.

Three lefts do.
Forum: Factoring 2021-04-01, 19:19
Replies: 18
Views: 510
Posted By xilman
Almost all computers these days come with enough...

Almost all computers these days come with enough storage to allow you to dual boot.

If you want to spend money on a Windoze license, repartition and dual boot.

That's how my current laptop is...
Forum: XYYXF Project 2021-04-01, 19:15
Replies: 15
Views: 2,133
Posted By xilman
Nice work!

Nice work!
Forum: Factoring 2021-04-01, 19:13
Replies: 3
Views: 268
Posted By xilman
Trivial question to answer. For The Codebook...

Trivial question to answer.

For The Codebook challenge back in 1999 I created a RSA modulus which could have been factored much more easily than the GNFS actually used to solve the problem.

My...
Forum: LaurV 2021-03-30, 18:27
Replies: 14
Views: 331
Posted By xilman
In my view napalm has a pleasant enough smell but...

In my view napalm has a pleasant enough smell but nothing over which to eulogise.

That said, the smell of commercial napalm may be far better than that of the home-brew which I have made to light...
Forum: LaurV 2021-03-30, 18:21
Replies: 14
Views: 331
Posted By xilman
Others praise the smell of napalm in the morning.

Others praise the smell of napalm in the morning.
Forum: Information & Answers 2021-03-29, 14:05
Replies: 9
Views: 358
Posted By xilman
Undoubtedly so, as long as you don't mind working...

Undoubtedly so, as long as you don't mind working on non-Mersenne numbers.

Integer factorization, for instance. My ECMNET server is plugging away after many years. There are some Number Field...
Forum: Languages -- Ancient & Modern, Human & Machine 2021-03-28, 13:20
Replies: 34
Views: 2,406
Posted By xilman
It is now very well established that Classical...

It is now very well established that Classical Latin always pronounced the letter C hard, as in the English K and the Greek Κ. The conclusive evidence is that where a Latin word is found in...
Forum: Languages -- Ancient & Modern, Human & Machine 2021-03-28, 13:01
Replies: 34
Views: 2,406
Posted By xilman
Nice one. Do you know the motto of the...

Nice one.

Do you know the motto of the French Navy?

A l'eau, c'est le heure.
Showing results 1 to 25 of 1000

 
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