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The Science of What If
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Good math problems are hidden inside textbooks and online documents. To keep up with all the sources in the world is hard. For someone who just wants to continuously solve problems, finding and going through all the sources feels like a hassle. I wished for a website that could just dump all the math problems available in the world out there. And if I could filter the problems by topics, that would be beautiful. teachyourselfmath is a side project that was born out of this need. At its core, it is a math PDF extraction engine. The engine has some machine learning going on behind the scenes…
2024 · teachyourselfmath.app
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2018 · upvote.pub
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2023 · synthical.com
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i made an esoteric programming language which i call spellscript. every program is a "spell" written in a "grimoire," and you have to use keywords like summon, enchant, inscribe, and conjure. it's literally read like a spellbook because the syntax consists of all natural language, and newlines are optional. your code can now be an essay, like everybody wants! for example, if you want to print something, you'd write: `begin the grimoire. inscribe whispers of "hello, world!". close the grimoire.` it has variables, dynamic typing, arrays, functions, conditionals, loops, string manipulation,…
Oct 2025 · github.com
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2014 · emergentmind.com
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I recently published a book called “The Magic of Code” which is about the delights of the computational world, examining computing as a kind of “humanistic liberal art” that connects to so many topics, from art and biology to philosophy and language. The link I’ve shared is to a page on my book’s website where you can download a pdf of the introduction, to give HN readers a taste of what is inside. Right now there is so much worry and concern around technology that I feel like some people—though not the folks here—have forgotten how much fun that code and computation can also be. So I wanted…
2025 · themagicofcode.com
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Hi HN! My name's Robert Escriva. I got my PhD from Cornell's Computer Science department back in 2017. And three years ago I had a psychotic episode that irreversibly shook up my world. Since then I've been applying a skill I learned in grad school---namely, debugging distributed and complex systems---to my own mind. What I've found I've put into a [book (pdf)](https://rescrv.net/engineering-schizophrenia.pdf) on engineering, my particular schizophrenic delusions, and how people who suffer as I once did can find a way through the fog to the other side. This is not a healing…
Jan 2026
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Probability involves a lot of extra-mathematical concepts and funny transforms. I have always had a hard time internalizing it. When I heard a couple years ago that Lemurs are actually capable of abstract math, that gave me a bit of motivation to try to finally conceptualize probability in terms of whole numbers, counts, geometric shapes, basically easy-to-remember mathematical primitives. This book might be interesting to folks interested in predictive science, research, or just anyone who may have taken probability or statistics and might like a refresher on some of the edges of these…
2022 · leanpub.com
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Over the last two years, we’ve seen just how quickly science can move when it’s conducted out in the open, and the focus is on content rather than the publishing process. We’ve built a new way for researchers and scientists to communicate and share their findings with the world - rethought from first principles, with a lot more coming soon. Free to use, and available now for anyone with a university email address. We’re whitelisting organizations that conduct and publish research on a rolling basis. Please forward feedback and thoughts to [email protected] or comment here!
2022 · dystr.com
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I love the dictionary game: someone takes an unfamiliar word from the dictionary and writes down the definition. Then the other players come up with their own, fake, definition, and guess which one is real. I built a Wordle-style daily game out of this concept. You get shown a word and four definitions and it's up to you to figure out which one is real. There are five new words to try every day. The real definitions are from Wiktionary, the fake ones are made up by Claude (and sometimes me). Let me know what you think, and how this could be improved!
Jun 2026 · dictionarypuzzle.com
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2023 · scuddl.netlify.app
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Hi HN!, We're a group of High Schooler's who have made a website for an international cryptic hunt we have been organizing. Everything has been built from the ground up and has been open sourced. We'd love feedback on our work. And if it interests you, feel free to register and try a level or two! URL: https://halocrypt.com/ Source: https://github.com/halocrypt We're particularly proud of our frontend, since we have used a framework we built ourselves!
2021
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