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Can You Draw Every Flag in PowerPoint? (Part 2) [video]

https://www.youtube.com/watch?v=BztF7MODsKI
1•fgclue•4m ago•0 comments

Show HN: MCP-baepsae – MCP server for iOS Simulator automation

https://github.com/oozoofrog/mcp-baepsae
1•oozoofrog•7m ago•0 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant
2•DesoPK•11m ago•0 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
1•rs545837•13m ago•1 comments

Hello world does not compile

https://github.com/anthropics/claudes-c-compiler/issues/1
1•mfiguiere•19m ago•0 comments

Show HN: ZigZag – A Bubble Tea-Inspired TUI Framework for Zig

https://github.com/meszmate/zigzag
2•meszmate•21m ago•0 comments

Metaphor+Metonymy: "To love that well which thou must leave ere long"(Sonnet73)

https://www.huckgutman.com/blog-1/shakespeare-sonnet-73
1•gsf_emergency_6•23m ago•0 comments

Show HN: Django N+1 Queries Checker

https://github.com/richardhapb/django-check
1•richardhapb•38m ago•1 comments

Emacs-tramp-RPC: High-performance TRAMP back end using JSON-RPC instead of shell

https://github.com/ArthurHeymans/emacs-tramp-rpc
1•todsacerdoti•42m ago•0 comments

Protocol Validation with Affine MPST in Rust

https://hibanaworks.dev
1•o8vm•47m ago•1 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
2•gmays•48m ago•0 comments

Show HN: Zest – A hands-on simulator for Staff+ system design scenarios

https://staff-engineering-simulator-880284904082.us-west1.run.app/
1•chanip0114•49m ago•1 comments

Show HN: DeSync – Decentralized Economic Realm with Blockchain-Based Governance

https://github.com/MelzLabs/DeSync
1•0xUnavailable•54m ago•0 comments

Automatic Programming Returns

https://cyber-omelette.com/posts/the-abstraction-rises.html
1•benrules2•57m ago•1 comments

Why Are There Still So Many Jobs? The History and Future of Workplace Automation [pdf]

https://economics.mit.edu/sites/default/files/inline-files/Why%20Are%20there%20Still%20So%20Many%...
2•oidar•1h ago•0 comments

The Search Engine Map

https://www.searchenginemap.com
1•cratermoon•1h ago•0 comments

Show HN: Souls.directory – SOUL.md templates for AI agent personalities

https://souls.directory
1•thedaviddias•1h ago•0 comments

Real-Time ETL for Enterprise-Grade Data Integration

https://tabsdata.com
1•teleforce•1h ago•0 comments

Economics Puzzle Leads to a New Understanding of a Fundamental Law of Physics

https://www.caltech.edu/about/news/economics-puzzle-leads-to-a-new-understanding-of-a-fundamental...
3•geox•1h ago•1 comments

Switzerland's Extraordinary Medieval Library

https://www.bbc.com/travel/article/20260202-inside-switzerlands-extraordinary-medieval-library
2•bookmtn•1h ago•0 comments

A new comet was just discovered. Will it be visible in broad daylight?

https://phys.org/news/2026-02-comet-visible-broad-daylight.html
4•bookmtn•1h ago•0 comments

ESR: Comes the news that Anthropic has vibecoded a C compiler

https://twitter.com/esrtweet/status/2019562859978539342
2•tjr•1h ago•0 comments

Frisco residents divided over H-1B visas, 'Indian takeover' at council meeting

https://www.dallasnews.com/news/politics/2026/02/04/frisco-residents-divided-over-h-1b-visas-indi...
4•alephnerd•1h ago•5 comments

If CNN Covered Star Wars

https://www.youtube.com/watch?v=vArJg_SU4Lc
1•keepamovin•1h ago•1 comments

Show HN: I built the first tool to configure VPSs without commands

https://the-ultimate-tool-for-configuring-vps.wiar8.com/
2•Wiar8•1h ago•3 comments

AI agents from 4 labs predicting the Super Bowl via prediction market

https://agoramarket.ai/
1•kevinswint•1h ago•1 comments

EU bans infinite scroll and autoplay in TikTok case

https://twitter.com/HennaVirkkunen/status/2019730270279356658
7•miohtama•1h ago•5 comments

Benchmarking how well LLMs can play FizzBuzz

https://huggingface.co/spaces/venkatasg/fizzbuzz-bench
1•_venkatasg•1h ago•1 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
35•SerCe•1h ago•30 comments

Octave GTM MCP Server

https://docs.octavehq.com/mcp/overview
1•connor11528•1h ago•0 comments
Open in hackernews

Space Math Academy

https://space-math.academy
48•dynamicwebpaige•1mo ago

Comments

dynamicwebpaige•1mo ago
Introducing Space Math Academy!

Reimagined NASA’s Space Math curriculum (https://spacemath.gsfc.nasa.gov/) as an immersive game, instead of static PDFs. Students solve the same problems real scientists face daily -- calculating orbits and trajectories, dealing with space weather, etc. -- in an interactive way that goes beyond worksheets (or just sending PDFs to an LLM).

https://space-math.academy https://www.github.com/dynamicwebpaige/space-math

Powered by Gemini for storytelling and text-to-speech (TTS). Links to the GitHub repo and live link that you can play above, thanks to Google Cloud Run. Please file feature requests, if there's enough interest will add more missions and a leaderboard.

burkaman•1mo ago
Only had a couple minutes to try this but I'm already confused by a couple things.

- "UNAUTHORIZED ACCESS IS A FEDERAL OFFENSE" I guess this is a joke but I don't really get it, just seems like a weird thing to have there.

- In the first popup, the "audio transmission" is significantly different than the printed text.

- "The Earth is a sphere." - this is not true, I think it should be classified as a hypothesis

- "The universe is expanding." Isn't this a theory? I don't think it can be called "a basic statement", it is a well-tested theory based on a lot of observational evidence.

- "Humans and gorillas evolved from a common ancestor species." This is obviously a theory, it's like THE theory when you need an example of what a theory is. You cannot establish this by experiment or observation.

- "Light is an electromagnetic phenomenon described by Maxwell's Laws" Why is this classified as a theory?

etc.

The categorization of this first lesson seems very arbitrary, and often contradictory with the "knowledge database" on the left.

Edit: Did you AI-generate these questions and then not proofread them?

tzs•1mo ago
There are photos of the Earth taken from the neighborhood of the Moon. They show something that is indistinguishable from a sphere to the naked eye.

Sure, with instruments you can measure it and find that it deviates from a perfect sphere. But every object that is made of atoms multiple atoms is not a perfect sphere.

burkaman•1mo ago
I don't think it's a pedantic point, this is supposed to be a site about learning math that NASA scientists use, and the exact shape of the Earth is very relevant to them.

I just think it shouldn't be used as a canonical example of a fact when you'll probably learn at some point that it technically isn't true.

TeMPOraL•1mo ago
Some point being any half-decent middle-school textbook, or any popular science space book for teens. There's usually a footnote or an info box explaining that Earth isn't a perfect sphere.

It's not some arcane nerd knowledge. It's just a detail people don't remember from school because it's irrelevant to their lives.

notahacker•1mo ago
Looks like NASA is to blame for these https://spacemath.gsfc.nasa.gov/weekly/2page23.pdf

I do agree much of the categorisation is baffling (I could nitpick several others). In that respect it's a shame to start off with that lesson when some of the others are so much more relevant to the mission concept, interesting and less debatable

burkaman•1mo ago
Thanks, I tried to find that original source but wasn't able to.
notahacker•1mo ago
I'm trying to overthink the space power systems exercise now ;-)

Actually very nicely designed, but the pedant in me is screaming "you can't just expect the other 3 solar panels to have the same number of dead zones" and I can't find the source either...

0wis•1mo ago
Seems fun but unusable on mobile. Windows are not responsive enough. General design seems fun though
OkayPhysicist•1mo ago
"If I jump out a window I will die"

Is not a fact: I have never died jumping out of a window, thus it is a hypothesis (because it is testable, though that raise epistemological problems in of itself)

ricksunny•1mo ago
viz. this evergreen gem: https://blogs.bmj.com/bmj/2018/12/13/we-jumped-from-planes-w...
constantcrying•1mo ago
>Math

But the first exercise is about judging statements based on nebulous definitions, definitely unrelated to mathematics?

nimonian•1mo ago
Mathematics is concerned with a lot more than arithmetic and computation. Beyond the most basic levels, a mathematician will profit greatly from being aware of this type of epistemological vocabulary and a strong sense of their underlying meaning. Whether reading or writing mathematics, we're constantly dealing with propositions, and correctly taxonomising those propositions can really help keep your mental workspace clean.

I do question the effectiveness (and accuracy) of this exercise, but its learning objectives I think are quite apt.

constantcrying•1mo ago
To be honest I do not think that these word games are helpful at all. Throughout all of my mathematical education what has always helped me to keep my "mental workspace clean", was to never abandon the model.

> and correctly taxonomising those propositions

The correct taxonomy for a proposition is true/false and proven/unproven.

I can not even fathom a mathematical model where distinguishing a "law" from a "fact" is meaningful.

And the idea of defining a "fact" as something empirically demonstrated is just ridiculous, I totally reject it.

vessenes•1mo ago
I dislike the linked site. A lot. But counterpoint: Zermelo-Frankel with or without Axiom of Choice is a fair mathematical analogue to distinguishing laws and facts, in my opinion.

Put another way, decidability is a large area of mathematical research.

constantcrying•1mo ago
>Put another way, decidability is a large area of mathematical research.

What does ZF(C) have to do with decidability? Decidability is a question in any sufficiently complex system (Gödel's first theorem). And exactly this distinction is what I made for the taxonomy of propositions, you can group them into true and false and also into provable and unprovable. What would be a fact and what would be a law?

Regardless of that, in neither case the empiricism the site uses to define a fact would play any role.

NooneAtAll3•1mo ago
I'm so confused by the first task...

specifically I got hit with "chimpanzees and humans have common ancestor" (or something like that)

definition for a "fact" (supposed correct answer) given on the page ("A basic statement established by experiment or observation. True under specific conditions.") seems to me akin to "direct result of some experiment"

meanwhile, determining common ancestry - in my mind - took a lot of work, comparing anatomy, digging out bones and stuff... all the correlation, all the composition

surely it's more of a theory that's supported by many facts?

vessenes•1mo ago
Oooh, I hate this.

"The Earth is a sphere" -> nope

"Water freezes at 32F" -> depends

"Apes and Humans share a common ancestor" -> not a fact, although an extremely likely theory. The site's definition about fact mentions observability. I'd accept "Ape and Humans share 99.x% of DNA, indicating common ancestry" as a fact

neko_ranger•1mo ago
Seems very well put together, but I guess idk what a fact vs law is
ceritium•1mo ago
How does it save the progress?
simne•1mo ago
Well people, knowledge become belief. - Position of Moon creating tides, which affect some places very strong, because line of shore constantly moving more then by cup meters, so some operations need to be planned according to tides, this is not belief, this is fact. Position of Sun amplifies tides for up to 50%. BTW, people knowing Astronomy, easy conclude, most extreme Sun tides amplification happen with Sun Eclipse.

I also seen few other wrong classifications.

Sorry, good idea, but such mistakes made it unplayable.