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GPS and Time Dilation – Special and General Relativity

https://philosophersview.com/gps-and-time-dilation/
1•mistyvales•25s ago•0 comments

Show HN: Witnessd – Prove human authorship via hardware-bound jitter seals

https://github.com/writerslogic/witnessd
1•davidcondrey•35s ago•0 comments

Show HN: I built a clawdbot that texts like your crush

https://14.israelfirew.co
1•IsruAlpha•2m ago•0 comments

Scientists reverse Alzheimer's in mice and restore memory (2025)

https://www.sciencedaily.com/releases/2025/12/251224032354.htm
1•walterbell•5m ago•0 comments

Compiling Prolog to Forth [pdf]

https://vfxforth.com/flag/jfar/vol4/no4/article4.pdf
1•todsacerdoti•6m ago•0 comments

Show HN: Cymatica – an experimental, meditative audiovisual app

https://apps.apple.com/us/app/cymatica-sounds-visualizer/id6748863721
1•_august•8m ago•0 comments

GitBlack: Tracing America's Foundation

https://gitblack.vercel.app/
2•martialg•8m ago•0 comments

Horizon-LM: A RAM-Centric Architecture for LLM Training

https://arxiv.org/abs/2602.04816
1•chrsw•8m ago•0 comments

We just ordered shawarma and fries from Cursor [video]

https://www.youtube.com/shorts/WALQOiugbWc
1•jeffreyjin•9m ago•1 comments

Correctio

https://rhetoric.byu.edu/Figures/C/correctio.htm
1•grantpitt•9m ago•0 comments

Trying to make an Automated Ecologist: A first pass through the Biotime dataset

https://chillphysicsenjoyer.substack.com/p/trying-to-make-an-automated-ecologist
1•crescit_eundo•13m ago•0 comments

Watch Ukraine's Minigun-Firing, Drone-Hunting Turboprop in Action

https://www.twz.com/air/watch-ukraines-minigun-firing-drone-hunting-turboprop-in-action
1•breve•14m ago•0 comments

Free Trial: AI Interviewer

https://ai-interviewer.nuvoice.ai/
1•sijain2•14m ago•0 comments

FDA Intends to Take Action Against Non-FDA-Approved GLP-1 Drugs

https://www.fda.gov/news-events/press-announcements/fda-intends-take-action-against-non-fda-appro...
12•randycupertino•16m ago•3 comments

Supernote e-ink devices for writing like paper

https://supernote.eu/choose-your-product/
3•janandonly•18m ago•0 comments

We are QA Engineers now

https://serce.me/posts/2026-02-05-we-are-qa-engineers-now
1•SerCe•18m ago•0 comments

Show HN: Measuring how AI agent teams improve issue resolution on SWE-Verified

https://arxiv.org/abs/2602.01465
2•NBenkovich•19m ago•0 comments

Adversarial Reasoning: Multiagent World Models for Closing the Simulation Gap

https://www.latent.space/p/adversarial-reasoning
1•swyx•19m ago•0 comments

Show HN: Poddley.com – Follow people, not podcasts

https://poddley.com/guests/ana-kasparian/episodes
1•onesandofgrain•27m ago•0 comments

Layoffs Surge 118% in January – The Highest Since 2009

https://www.cnbc.com/2026/02/05/layoff-and-hiring-announcements-hit-their-worst-january-levels-si...
9•karakoram•27m ago•0 comments

Papyrus 114: Homer's Iliad

https://p114.homemade.systems/
1•mwenge•27m ago•1 comments

DicePit – Real-time multiplayer Knucklebones in the browser

https://dicepit.pages.dev/
1•r1z4•27m ago•1 comments

Turn-Based Structural Triggers: Prompt-Free Backdoors in Multi-Turn LLMs

https://arxiv.org/abs/2601.14340
2•PaulHoule•29m ago•0 comments

Show HN: AI Agent Tool That Keeps You in the Loop

https://github.com/dshearer/misatay
2•dshearer•30m ago•0 comments

Why Every R Package Wrapping External Tools Needs a Sitrep() Function

https://drmowinckels.io/blog/2026/sitrep-functions/
1•todsacerdoti•31m ago•0 comments

Achieving Ultra-Fast AI Chat Widgets

https://www.cjroth.com/blog/2026-02-06-chat-widgets
2•thoughtfulchris•32m ago•0 comments

Show HN: Runtime Fence – Kill switch for AI agents

https://github.com/RunTimeAdmin/ai-agent-killswitch
1•ccie14019•35m ago•1 comments

Researchers surprised by the brain benefits of cannabis usage in adults over 40

https://nypost.com/2026/02/07/health/cannabis-may-benefit-aging-brains-study-finds/
2•SirLJ•37m ago•0 comments

Peter Thiel warns the Antichrist, apocalypse linked to the 'end of modernity'

https://fortune.com/2026/02/04/peter-thiel-antichrist-greta-thunberg-end-of-modernity-billionaires/
4•randycupertino•37m ago•2 comments

USS Preble Used Helios Laser to Zap Four Drones in Expanding Testing

https://www.twz.com/sea/uss-preble-used-helios-laser-to-zap-four-drones-in-expanding-testing
3•breve•43m ago•0 comments
Open in hackernews

Mustard Watches (1990)

https://girard.perso.math.cnrs.fr/mustard/article.html
96•fscaramuzza•8mo ago

Comments

VOIPThrowaway•8mo ago
Love mine. I can discreetly squirt mustard onto boring hors d’oeuvres.
layer8•8mo ago
French version, as a proper PDF: https://girard.perso.math.cnrs.fr/moutarde.pdf
comrade1234•8mo ago
Is there a garmin siracha device?
layer8•8mo ago
There should be a suitable structure-preserving morphism.
rhplus•8mo ago
An ideal sriracha timepiece would include an element of time-travel, allowing the operator to summon quantities of the Huy Fong product from before the lawsuit with their chili pepper supplier.
failrate•8mo ago
I have one full of thyme.
CobrastanJorji•8mo ago
Theorems 1 and 2 are a little weak. For theorem 1, once a mustard watch reaches a sufficiently enormous size, material weaknesses become relevant problems to overcome, and it is not clearly shown that adding a few more grains will in fact allow the watch to still operate. And theorem 2 doesn't discuss how much time is needed to measure the current time. I'm not entirely sure this has been peer reviewed. No notes on theorem 4, though.
dosinga•8mo ago
material weaknesses would be more of a problem for ketchup watches. dijon mustard is strong enough so you don't require that much for it to become an issue
SyzygyRhythm•8mo ago
You can prove it easily by induction. If Wm(n) is a mustard watch containing n micrograms of mustard, then it suffices to show that Wm(0) exists, and that if Wm(n) exists then Wm(n+1) must exist. Obviously a single additional microgram of mustard could not overload the structure of a watch. Therefore, Wm(10^100) or any other size must exist.
yo_yo_yo-yo•8mo ago
What precisely is the complaint the actual author is making wrt temporal logic? Surely it is more than the assertion that there is no such canonical one?

I can’t decode French elitism.

layer8•8mo ago
I think it’s the lack of mustard. From the first paragraph: “what is the point of knowing time if you cannot get mustard?”
xorbax•8mo ago
Actually a LOL line. A long with his very skilled and meaningful schematic.
aredox•8mo ago
>I can’t decode French elitism.

It is a clear case of "langue-dans-la-joue"

(or is it "langue-dans-la-fesse"?).

samzub•8mo ago
It would not be "langue-dans-la-fesse" for sure, even if this expression is very humoristic itself! Tongue in cheek can be said "pince-sans-rire" : https://fr.wikipedia.org/wiki/Pince-sans-rire
Xmd5a•8mo ago
pince-fesses obviously
Unearned5161•8mo ago
highly entertaining read for a mustard fan, but what is this demonic presentation of a pdf
thesuitonym•8mo ago
Given the date of publication and the hand drawn figure, it's likely there never was a PDF.
aurizon•8mo ago
I would find more use from a mustard-cat treat watch
gwern•8mo ago
See also hunting lions using math: https://news.ycombinator.com/item?id=29106064
nradov•8mo ago
In the classic 2002 feature film "Undercover Brother" the titular character had a hot sauce watch which enabled him to eat white people food. James Bond was surely jealous.

https://www.imdb.com/title/tt0279493/

CalRobert•8mo ago
After moving somewhere with criminal amounts of unexpected mayonnaise I have referred to that scene often. Great movie.
worthless-trash•8mo ago
Nah. Hotsauce is for people with damaged taste buds.

I imagine the British taste bud of 007 was not damaged by low quality super high oil foods.

cvz•8mo ago
Eh? More for the rest of us, then!
brantmv•8mo ago
I'm always surprised how many other mathematicians don't know what I'm talking about when I reference this paper. It should be in the canon of math essays.
pash•8mo ago
I’m not sure what the author had in mind when he wrote the paper, but its light-hearted content reveals well how to structure a math paper: (1) state the problem and why the reader should care about it, (2) state how the paper builds on prior work, (3) summarize the main results, and then (4) develop them in theorem-proof style.

An economics paper in the same spirit (though of course economics addresses more practical problems than mathematics, in this case whether one should leave the toilet seat up or down) shows quite well how to present and develop an economic model [0].

0. https://jaypilchoi.com/wp-content/uploads/2021/06/Economic-I... [PDF]

ahazred8ta•8mo ago
Economics humor is a bit droll: https://www.ft.com/lol-404
gorgoiler•8mo ago
Mixing powdered mustard at the point of delivery would optimize for freshness. Something akin to large construction site concrete, which is mixed from raw materials on demand, but built into a pocket watch.

Just in time mustard if you will.

mbasho•8mo ago
I often wonder if the mustard watch is a microcosm of all of our inventions so far.
Pinus•8mo ago
I’m not sufficiently familiar with French culture or maths culture (and barely at all with their intersection!) to tell whether this is satire/parody, or just bonkers in general. Which is it?
ookdatnog•8mo ago
As I understand it (also neither a mathematician nor French), it's a parody on a certain type of math paper, I'm guessing in abstract algebra, where the author does nothing but present a theory that is a "generalization" of some other theories, with no concern whether this generalization is helpful in any context.

So you get a "mustard watch", a thing which behaves simultaneously as a watch and as a mustard container, and finding a situation where that would be useful is an exercise for the reader.

perthmad•8mo ago
It's a satire of a typical kind of paper from logic, in particular modal logic. Jean-Yves Girard has been very vocal against these academic papermills where the authors consider ad-hoc meaningless logical systems. For a more in-depth critique of semantics, you can also read the broccoli logic paper: https://girard.perso.math.cnrs.fr/meaning1.pdf
technothrasher•8mo ago
This reminds me that I was going to write up a paper on my breakthrough encabulator escapement watch.