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Search: Posts Made By: Dr Sardonicus
Forum: Lounge 2021-10-22, 19:16
Replies: 403
Views: 61,734
Posted By Dr Sardonicus
Oh, dear, that sounds quite Syrious - this is why...

Oh, dear, that sounds quite Syrious - this is why one should never attach bombs in, or to, one's home.[/QUOTE]I blinked at the amount of money. The first period should be a comma, or the first comma...
Forum: greenskull 2021-10-22, 18:14
Replies: 5
Views: 129
Posted By Dr Sardonicus
That is my understanding of the proverb's...

That is my understanding of the proverb's meaning.

But somebody rendered 1000 li and 10,000 li into a range of specific distances, and drew a comparison to "a one-way Columbus journey." :grin:
...
Forum: Math 2021-10-22, 16:54
Replies: 14
Views: 506
Posted By Dr Sardonicus
A PRP test can prove a number to be composite,...

A PRP test can prove a number to be composite, but numbers that "pass" a PRP test can be composite. So if you want a proof of primality, you need more.

The LL test is determinative for whether...
Forum: greenskull 2021-10-22, 16:02
Replies: 5
Views: 129
Posted By Dr Sardonicus
You're full of baloney. The page you cite...

You're full of baloney.

The page you cite does not render the proverb that way, and does not even mention Confucius.

According to the very page you cite, Wikipedia's Li (unit)...
Forum: Science & Technology 2021-10-22, 12:33
Replies: 6
Sticky: Poll: COVID vaccine type poll
Views: 245
Posted By Dr Sardonicus
I suppose those who received more than one type...

I suppose those who received more than one type of vaccine could vote "Other."

AFAIK the poll is anonymous, though if you have voted, it does indicate how you voted.

So if you want to know how...
Forum: greenskull 2021-10-21, 23:27
Replies: 6
Views: 163
Posted By Dr Sardonicus
A quest leading to this post...

A quest leading to this post (https://mersenneforum.org/showpost.php?p=582292&postcount=9) :grin:
Forum: Science & Technology 2021-10-21, 15:26
Replies: 274
Views: 22,901
Posted By Dr Sardonicus
Coronavirus (COVID-19) Update: FDA Takes...

Coronavirus (COVID-19) Update: FDA Takes Additional Actions on the Use of a Booster Dose for COVID-19 Vaccines...
Forum: Science & Technology 2021-10-21, 15:26
Replies: 3
Views: 107
Posted By Dr Sardonicus
Coronavirus (COVID-19) Update: FDA Takes...

Coronavirus (COVID-19) Update: FDA Takes Additional Actions on the Use of a Booster Dose for COVID-19 Vaccines...
Forum: Astronomy 2021-10-21, 03:06
Replies: 22
Views: 1,755
Posted By Dr Sardonicus
I wasn't being entirely serious in proposing a...

I wasn't being entirely serious in proposing a fleet of space telescopes. I was responding to a previous post which opined that JWST was a waste of taxpayer money.

It occurred to me that cost...
Forum: Proth Prime Search 2021-10-20, 13:12
Replies: 11
Views: 280
Posted By Dr Sardonicus
That was the only "gfn" I could come up with that...

That was the only "gfn" I could come up with that fit the context, but I wasn't certain that that was it.

One type of GFN is a^(2k) + 1, which none of the examples in this thread appear to be.
...
Forum: Proth Prime Search 2021-10-20, 12:38
Replies: 11
Views: 280
Posted By Dr Sardonicus
I'm not certain of what you mean by "gfn," but in...

I'm not certain of what you mean by "gfn," but in any case the answer is no.
Forum: Lounge 2021-10-19, 13:49
Replies: 1,126
Views: 99,210
Posted By Dr Sardonicus
And if you want subsidies, we got subsidies. A...

And if you want subsidies, we got subsidies. A protective tariff for US industry aborning, and "immediate and efficient aid" to build a transcontinental railroad.

From the 1860 National...
Forum: Proth Prime Search 2021-10-19, 13:18
Replies: 11
Views: 280
Posted By Dr Sardonicus
You did say, all format. So, I entered the...

You did say, all format.

So, I entered the date May 24, 1981 AD (Gregorian calendar) into a Julian Day calculator.

Modified Julian Day 44,748 November 17. 1858 AD
Julian Day 2,444,748.5 noon...
Forum: Miscellaneous Math 2021-10-19, 12:43
Replies: 346
Views: 31,714
Posted By Dr Sardonicus
:rolleyes: :rolleyes: :rolleyes: This is...

:rolleyes: :rolleyes: :rolleyes:

This is gobbledygook3. Whether a number is one less than a highly composite number does not depend on what base you express it in. The term "dozenal enders"...
Forum: MattcAnderson 2021-10-18, 16:43
Replies: 24
Views: 566
Posted By Dr Sardonicus
:missingteeth: :missingteeth: :missingteeth:...

:missingteeth: :missingteeth: :missingteeth: :missingteeth:

Proposing to attempt the construction without knowing whether F33 is prime, is epically inane.

The cosine can be calculated fairly...
Forum: Science & Technology 2021-10-18, 15:20
Replies: 274
Views: 22,901
Posted By Dr Sardonicus
The FDA advisory panel has unanimously...

The FDA advisory panel has unanimously recommended approval of EUA for the Moderna booster for over-65 and other "vulnerable" groups who got the Moderna vaccine. It seems they also recommended EUA...
Forum: Lounge 2021-10-18, 14:37
Replies: 1,788
RIP
Views: 184,458
Posted By Dr Sardonicus
Betty Lynn...

Betty Lynn (https://apnews.com/article/betty-lynn-dead-0df19f63517c78fd5135cc75b8f437ff)
Forum: Lounge 2021-10-18, 14:26
Replies: 1,126
Views: 99,210
Posted By Dr Sardonicus
Make up your mind.

Make up your mind.
Forum: Lounge 2021-10-18, 13:50
Replies: 1,126
Views: 99,210
Posted By Dr Sardonicus
Speak for yourself. Before I apply for...

Speak for yourself.

Before I apply for funding to set up my production facility, could you please explain to me how the guidance and flight control systems work, and how to build them?
Forum: Lounge 2021-10-18, 12:53
Replies: 1,126
Views: 99,210
Posted By Dr Sardonicus
Payments for services are not...

Payments for services are not "subsidies."
Forum: Lounge 2021-10-18, 12:36
Replies: 1,788
RIP
Views: 184,458
Posted By Dr Sardonicus
Colin Powell...

Colin Powell (https://www.foxnews.com/politics/colin-powell-dead-covid-19-former-secretary-of-state)EDIT: According to NBC News...
Forum: MattcAnderson 2021-10-18, 12:10
Replies: 24
Views: 566
Posted By Dr Sardonicus
Let f(x) be a monic irreducible polynomial in...

Let f(x) be a monic irreducible polynomial in Z[x]. Let G be the Galois group of f(x). The order of G is always divisible by the degree d of f(x). The roots of f(x) = 0 are constructible with...
Forum: MattcAnderson 2021-10-17, 02:07
Replies: 24
Views: 566
Posted By Dr Sardonicus
You might like Constructing 17, 257, and 65537...

You might like Constructing 17, 257, and 65537 sided polygons (http://facstaff.susqu.edu/brakke/constructions/big-gon.htm)

See also the references in Wolfram Mathworld's 257-gon...
Forum: greenskull 2021-10-16, 15:18
Replies: 80
Views: 1,288
Posted By Dr Sardonicus
The term "fruit coat" is imprecise. Do you mean...

The term "fruit coat" is imprecise. Do you mean "fleshy fruits" like berries?

I note that some gymnosperms, e.g. yews and ginkgoes, have fleshy "fruits."
Forum: greenskull 2021-10-16, 14:31
Replies: 33
Views: 524
Posted By Dr Sardonicus
I can't psychoanalyze an avatar. It would have...

I can't psychoanalyze an avatar. It would have to be you, the user.

I don't make house calls, but you are welcome to come to the office.

Dr. Sardonicus, Chief of Client Placement
Frederick...
Showing results 1 to 25 of 1000

 
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