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Search: Posts Made By: Dr Sardonicus
Forum: Lounge 2021-07-29, 13:23
Replies: 33
Views: 504
Posted By Dr Sardonicus
Yes, but with the overthrow of Caesar Augustus, a...

Yes, but with the overthrow of Caesar Augustus, a lot of that history would no longer exist.

And so, presumably, our knowledge of that history also would no longer exist :big grin:
Forum: Lounge 2021-07-29, 13:11
Replies: 33
Views: 504
Posted By Dr Sardonicus
Because I'm looking for a good challenge :smile: ...

Because I'm looking for a good challenge :smile:

Going further back (300 BC?) to the early days of the Roman Republic would make things too easy, while going forward and overthrowing an 18th...
Forum: Lounge 2021-07-29, 12:45
Replies: 1,761
RIP
Views: 172,103
Posted By Dr Sardonicus
Ron Popeil...

Ron Popeil (https://apnews.com/article/business-arts-and-entertainment-ron-popeil-9b58dabb751fb23f7d08d0d32e32ca5f)
Forum: Lounge 2021-07-28, 12:01
Replies: 33
Views: 504
Posted By Dr Sardonicus
A time machine? :rolleyes: As long as you...

A time machine? :rolleyes:

As long as you have one of those things, why attack Caesar Augustus at the height of his power? Why not just go a little farther back in time and kill young Octavian...
Forum: Number Theory Discussion Group 2021-07-28, 01:59
Replies: 2
Views: 107
Posted By Dr Sardonicus
Any such p has to divide the resultant of f(x)...

Any such p has to divide the resultant of f(x) and g(x). If no prime factor of the resultant provides a solution, there isn't one.

EDIT: I am assuming that gcd(a, b, c) = gcd(A, B, C) = 1.
Forum: Lounge 2021-07-28, 01:47
Replies: 1,695
Views: 129,250
Posted By Dr Sardonicus
Here's hoping you don't overtax the circuit...

Here's hoping you don't overtax the circuit you're using as a workaround...

The "takes the entire estate down with it" sounds especially worrying. Usually when a circuit breaker trips it only...
Forum: Lounge 2021-07-26, 12:06
Replies: 1,761
RIP
Views: 172,103
Posted By Dr Sardonicus
Thank you for posting this. One of the items of...

Thank you for posting this. One of the items of possible interest to Forumites about Roert Moses:
Forum: Soap Box 2021-07-26, 11:57
Replies: 81
Views: 4,796
Posted By Dr Sardonicus
From a 17 September 2014 BBC program (excuse me,...

From a 17 September 2014 BBC program (excuse me, programme) on Global Dimming (https://www.bbc.co.uk/sn/tvradio/programmes/horizon/dimming_trans.shtml):
Forum: Hobbies 2021-07-25, 15:08
Replies: 22
Views: 467
Posted By Dr Sardonicus
See also Usshering in the Millennium...

See also Usshering in the Millennium (http://www.ees.nmt.edu/outside/courses/erth385/ussher.html).

Meanwhile, back at the Olympics, I note that NBC is covering what some call the greatest Olympic...
Forum: Lounge 2021-07-25, 12:46
Replies: 1,761
RIP
Views: 172,103
Posted By Dr Sardonicus
Steven Weinberg...

Steven Weinberg (https://apnews.com/article/science-nobel-prizes-physics-fa5df3e3f8027f545d6d41c19151caeb)
Forum: Lounge 2021-07-24, 16:35
Replies: 1,368
Views: 138,053
Posted By Dr Sardonicus
States scale back virus reporting just as cases...

States scale back virus reporting just as cases surge (https://apnews.com/article/health-coronavirus-pandemic-f9c58c50f565e707be9bedfa9a82319e)IGNORANCE IS STRENGTH
Forum: Soap Box 2021-07-23, 13:42
Replies: 81
Views: 4,796
Posted By Dr Sardonicus
You have been asked, and have repeatedly been...

You have been asked, and have repeatedly been reminded and repeatedly declined to answer, a simple, real-world question about your own voting decisions:
I will not entertain any questions from you...
Forum: Lounge 2021-07-23, 12:41
Replies: 230
Views: 42,638
Posted By Dr Sardonicus
From July 2: A Mystery Illness Is Killing...

From July 2: A Mystery Illness Is Killing Mid-Atlantic Songbirds (https://www.npr.org/2021/07/02/1012541984/a-mystery-illness-is-killing-mid-atlantic-songbirds)


From July 21: What’s making...
Forum: Soap Box 2021-07-21, 13:24
Replies: 81
Views: 4,796
Posted By Dr Sardonicus
The argument that "what I as an individual do is...

The argument that "what I as an individual do is too insignificant to matter" is fallacious because it assumes that only direct consequences matter.

We all depend on roads and bridges as works of...
Forum: Number Theory Discussion Group 2021-07-20, 15:34
Replies: 0
Views: 291
Posted By Dr Sardonicus
A real thread about digit sums

Here, [x] is the integer floor of x, n is a positive integer, and b is an integer greater than or equal to 2. The base-b digits of n can be computed by repeated integer division with quotient and...
Forum: Soap Box 2021-07-17, 15:18
Replies: 81
Views: 4,796
Posted By Dr Sardonicus
It can be argued that it is less-than-ordinary...

It can be argued that it is less-than-ordinary individuals, or sometimes small groups of them, that have had the most disproportionate effect on government. Here in the good ol' USA, the names John...
Forum: Miscellaneous Math 2021-07-16, 11:46
Replies: 49
Views: 1,372
Posted By Dr Sardonicus
... or the ever-popular Matthew 15:14...

... or the ever-popular Matthew 15:14 (https://www.biblegateway.com/passage/?search=Matthew%2015%3A14&version=KJV)
Forum: Miscellaneous Math 2021-07-15, 13:04
Replies: 49
Views: 1,372
Posted By Dr Sardonicus
At the risk of arrest for criminal belaboring of...

At the risk of arrest for criminal belaboring of the obvious, I give one obvious reason to deem digit sums a poor candidate for any sort of correlation with Mersenne prime exponents.

If b > 1 is...
Forum: Puzzles 2021-07-12, 12:34
Replies: 35
Views: 2,591
Posted By Dr Sardonicus
Solution to June 2021 challenge

We assume that 1 < i < j, i + j is odd, and take p = i^j + j^i. One of the summands is an even integer divisible by 8, and the other is the square of an odd integer, hence p == 1 (mod 8).

Thus,...
Forum: Lounge 2021-07-11, 12:56
Replies: 76
Views: 15,511
Posted By Dr Sardonicus
It seems that folks are actually rethinking...

It seems that folks are actually rethinking "officially" using places of origin in common names for invasive or pestiferous organisms. I don't have any problem with such usage (assuming it is...
Forum: Lounge 2021-07-10, 15:30
Replies: 76
Views: 15,511
Posted By Dr Sardonicus
Never mind "experts." I'm sure there are...

Never mind "experts." I'm sure there are descriptive common names for Lymantria dispar where it's native. Maybe "fuzzy tree-defoliator" or something like that (in English translation). Such a...
Forum: Lounge 2021-07-10, 13:21
Replies: 76
Views: 15,511
Posted By Dr Sardonicus
Bug experts seeking new name for destructive...

Bug experts seeking new name for destructive gypsy moths (https://apnews.com/article/science-race-and-ethnicity-racial-injustice-18e74693eccc7d4a2d0a4ffeaf3691aa)
Forum: Puzzles 2021-07-08, 11:34
Replies: 35
Views: 2,591
Posted By Dr Sardonicus
Here's the solution - but first, a word from our...

Here's the solution - but first, a word from our sponsor us!
Forum: Lounge 2021-07-07, 13:24
Replies: 1,761
RIP
Views: 172,103
Posted By Dr Sardonicus
I know I saw this movie, around 1981. In Russian...

I know I saw this movie, around 1981. In Russian with English subtitles. Alas, I can't recall much of it at all. One scene is vividly stuck in my mind, though. It's a street fight. It reminded...
Forum: Puzzles 2021-07-07, 13:03
Replies: 5
Views: 651
Posted By Dr Sardonicus
I submitted a solution on the 2nd in the...

I submitted a solution on the 2nd in the suggested format. I had never heard of "primary Carmichael numbers." Apparently a new thing. I learned something!

I only submitted a single example, a...
Showing results 1 to 25 of 1000

 
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