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Search took 0.25 seconds. Search: Posts Made By: Nick
Forum: Soap Box 2021-02-24, 21:51
Replies: 17
Views: 359
Posted By Nick
Accidental Americans...

Accidental Americans (https://en.wikipedia.org/wiki/Accidental_American)
Forum: Combinatorics & Combinatorial Number Theory 2021-02-23, 16:58
Replies: 9
Views: 8,956
Posted By Nick
See the exercise here...

See the exercise here (https://www.mersenneforum.org/showpost.php?p=477146&postcount=3)
Forum: Other Mathematical Topics 2021-02-23, 10:07
Replies: 1
Views: 121
Posted By Nick
Brown University's Symposium for Undergraduates...

Brown University's Symposium for Undergraduates in the Mathematical Sciences (SUMS) this year is online and open to everyone, but you have to register by March 1st.
It includes a talk by Peter...
Forum: Other Mathematical Topics 2021-02-23, 10:04
Replies: 1
Views: 121
Posted By Nick
Events

- a thread for mathematical events of possible interest to forum members.
Forum: Miscellaneous Math 2021-02-20, 09:48
Replies: 4
Views: 168
Posted By Nick
Look up the link between even perfect numbers and...

Look up the link between even perfect numbers and Mersenne primes.
Then examine it modulo 9, as retina suggests.
Forum: Lounge 2021-02-17, 17:06
Replies: 1,319
Views: 96,754
Posted By Nick
"Intranasal fusion inhibitory lipopeptide...

"Intranasal fusion inhibitory lipopeptide prevents direct-contact SARS-CoV-2 transmission in ferrets"
Article: https://science.sciencemag.org/content/sci/early/2021/02/16/science.abf4896.full.pdf
Forum: Lounge 2021-02-17, 07:29
Replies: 4,254
Views: 302,789
Posted By Nick
Yes, indeed.

Yes, indeed.
Forum: Lounge 2021-02-16, 22:04
Replies: 4,254
Views: 302,789
Posted By Nick
There are reports that this is now being done...

There are reports that this is now being done with audio by the police in the US:...
Forum: Information & Answers 2021-02-16, 08:38
Replies: 26
Views: 872
Posted By Nick
Once upon a time, number theory conferences,...

Once upon a time, number theory conferences, seminars, etc. were meetings for people with a passion for pure mathematics.
Then its applications to cryptology meant all sorts of people started coming...
Forum: Homework Help 2021-02-13, 19:08
Replies: 3
Views: 274
Posted By Nick
You could start by thinking about which positive...

You could start by thinking about which positive integers k have ϕ(k)=2ⁿ.
Forum: Lounge 2021-02-13, 12:28
Replies: 1,319
Views: 96,754
Posted By Nick
Notice by a bottle of hand gel at the entrance to...

Notice by a bottle of hand gel at the entrance to a building:
"Please satanise your hands here."
Forum: Lounge 2021-02-13, 12:27
Replies: 88
Views: 3,028
Posted By Nick
It's now sunny and people are ice skating on the...

It's now sunny and people are ice skating on the Prinsengracht canal in Amsterdam!
https://twitter.com/HugoStienstra/status/1360522673281929223
(The tower in the background of the video clip is the...
Forum: Lounge 2021-02-12, 19:41
Replies: 88
Views: 3,028
Posted By Nick
Once the coldest place on Earth...

Once the coldest place on Earth (https://www.lorentz.leidenuniv.nl/history/cold/cold.html)
Forum: Lounge 2021-02-11, 08:32
Replies: 4,254
Views: 302,789
Posted By Nick
BBC Basic was very good within the limitations of...

BBC Basic was very good within the limitations of hardware at that time.
It had many things that later became standard in C,
and lots of ideas from our wishlist (such as OLD to undo NEW).
Forum: Lounge 2021-02-10, 12:36
Replies: 88
Views: 3,028
Posted By Nick
Is that normal at this time of year for you?

Is that normal at this time of year for you?
Forum: Lounge 2021-02-09, 22:17
Replies: 88
Views: 3,028
Posted By Nick
Glad to hear you're OK! No big problems here,...

Glad to hear you're OK!
No big problems here, either. And now that the storn has passed,
everyone is getting their ice skates out of storage.
Forum: Science & Technology 2021-02-09, 14:54
Replies: 32
Views: 1,057
Posted By Nick
Most people on earth live near a river or the...

Most people on earth live near a river or the sea.
Both can be used to generate power locally.
Forum: Lounge 2021-02-07, 14:22
Replies: 88
Views: 3,028
Posted By Nick
You know it's a blizzard when the auto-focus on...

You know it's a blizzard when the auto-focus on your camera can't find anything to latch on to and just keeps cycling!
Forum: Lounge 2021-02-07, 10:07
Replies: 88
Views: 3,028
Posted By Nick
Right now, it's snowing horizontally. There is...

Right now, it's snowing horizontally.
There is less snow than we had feared, but the strong freezing wind is causing problems.
Forum: Languages -- Ancient & Modern, Human & Machine 2021-02-06, 19:11
Replies: 5
Views: 1,615
Posted By Nick
"A new feminist translation of Beowulf" ...

"A new feminist translation of Beowulf"
https://www.mcdbooks.com/books/beowulf
Forum: Lounge 2021-02-06, 16:56
Replies: 88
Views: 3,028
Posted By Nick
Amsterdam is restricting boats on some of its...

Amsterdam is restricting boats on some of its famous canals in order to increase the chance of ice forming so that people can skate there.
Forum: Lounge 2021-02-06, 12:35
Replies: 88
Views: 3,028
Posted By Nick
We have a code red weather alarm in the...

We have a code red weather alarm in the Netherlands for blizzard conditions tomorrow.
That is very rare here so it could be quite disruptive!
Forum: Soap Box 2021-02-01, 18:57
Replies: 3
Views: 264
Posted By Nick
Petitions

"The algebraic geometer Alexander Kuznetsov -- winner of the European Mathematical Society prize of 2008 --
has been arrested for peacefully protesting the detention of Alexey Navalny.
The more...
Forum: Languages -- Ancient & Modern, Human & Machine 2021-01-31, 10:30
Replies: 22
Views: 1,361
Posted By Nick
Be there or be ... plaza?

The English word "square" has a chequered history.
Even in geometry, its definition is not standardized
(are the interior points part of the square, like a disc, or just the outline, like a...
Forum: Lounge 2021-01-30, 21:22
Replies: 877
Views: 89,600
Posted By Nick
You can lead a horse to beer but you can't make...

You can lead a horse to beer but you can't make it drunk...
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