jdwg

8 ms·

1.
by jdwg 8mo ago
Is it easy to make money by growing corn? Probably not. So this is a very legitimate test. We may learn some interesting ways that planting, growing, harvesting, storing, and selling corn can go wrong. I certainly wouldn't expect to ma
2.
Groundwater Movement (Interactive)(has.concord.org)
88 points by jdwg 2y ago|6 comments
3.
Groundwater Movement (Interactive)(has.concord.org)
1 points by jdwg 2y ago|0 comments
4.
Perpetual Stew(en.wikipedia.org)
14 points by jdwg 2y ago|5 comments
5.
Arnold's Cat Map(en.wikipedia.org)
2 points by jdwg 3y ago|0 comments
6.
Most elementary proof showing that exponential wins against polynomial(mathoverflow.net)
2 points by jdwg 3y ago|1 comments
7.
by jdwg 3y ago
Professional mathematicians trying to give easy proofs of the well-known fact that an increasing exponential eventually dominates every polynomial.
8.
MetNet-3: A state-of-the-art neural weather model available in Google products(blog.research.google)
1 points by jdwg 3y ago|0 comments
9.
The Smell of Transcription: SlMYC1 Makes Tomato Plants Smelly (2019)(ncbi.nlm.nih.gov)
2 points by jdwg 3y ago|0 comments
10.
by jdwg 3y ago
I found this fun! But my plan to gain access to M by taking the opposite of DAD was prevented by the word list. How is the list generated?
11.
by jdwg 3y ago
Another review of the same book: Weeding or Writing: On “Henry at Work” https://www.clereviewofbooks.com/writing/kaag-van-belle-henr...
12.
Mathematical games interesting to both you and a 5-year-old child(mathoverflow.net)
6 points by jdwg 3y ago|0 comments
13.
by jdwg 3y ago
I gave it a photo of my face, and it said that I look approachable and friendly. I asked it to improve my hair, and it replaced me with a completely different person. Oh well! Still very impressive tech.
14.
Compromising GitHub Repositories Through the Actions Dependency Tree(paloaltonetworks.com)
2 points by jdwg 3y ago|1 comments
15.
by jdwg 3y ago
Just took the interview for the Senior JavaScript Developer position! (I'm not actually a js developer, but this was the closest I could find) - It was very nice to have "two minutes from now" offered as an interview slot - I
16.
by jdwg 3y ago
Professional mathematicians giving careful consideration to simple concepts: ~50 comments, 34 answers, and the question's still active!
17.
Conceptual reason why the sign of a permutation is well-defined?(mathoverflow.net)
3 points by jdwg 3y ago|2 comments
18.
Isle of the Dead (Sergei Rachmaninoff)(en.wikipedia.org)
1 points by jdwg 3y ago|0 comments
19.
Show HN: Risky pre-moves in online chess(jwiltshiregordon.github.io)
6 points by jdwg 3y ago|1 comments
20.
How does the Google Analytics script work?(stackoverflow.com)
1 points by jdwg 3y ago|0 comments
21.
NASA major-bodies lookup by id, name, designation, and alias(ssd.jpl.nasa.gov)
1 points by jdwg 3y ago|0 comments
22.
A device that distinguishes chiral molecules by the way they twist light(en.wikipedia.org)
2 points by jdwg 3y ago|0 comments
23.
When Alvin visited the wreck of the Titanic (2023) [video](youtube.com)
1 points by jdwg 4y ago|1 comments
24.
by jdwg 4y ago
Woods Hole Oceanographic Institution (very shortly) to release footage of the wreck of Titanic that was captured in July 1986 from cameras on the human-occupied submersible Alvin and the newly built, remotely operated Jason Junior. Most of
25.
by jdwg 4y ago
Slides from a talk by John Baez intended for a general technical audience; this was part of a birthday conference for Ross Street.
26.
Mysteries of Counting: Euler Characteristic vs. Homotopy Cardinality (2005) [pdf](math.ucr.edu)
2 points by jdwg 4y ago|1 comments
27.
Why does the SARS-Cov2 genome end in aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa? (2020)(bioinformatics.stackexchange.com)
275 points by jdwg 4y ago|92 comments
28.
by jdwg 4y ago
well, I love the subject, so I'm glad to discuss whatever! And let me know if all of the exercises are too hard. There should always be a couple of easy ones, but I don't know this audience very well.
29.
by jdwg 4y ago
The direct sum decomposition you mention doesn't always happen, as you can see in some of the examples in the calculator. It is closer to happening when \gamma is zero, and if \gamma is zero and we switch from integer coefficient to f
30.
by jdwg 4y ago
Cycles on (X, A) really can connect parts of A to other parts that look remote if you are forced to stay within A. This is visible in the long exact sequence; when the third map is nonzero, you have cycles in A that become boundaries when

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