15:[[49306196,{"by":"E-Reverance","descendants":79,"id":49306196,"kids":[49307419,49310652,49307217,49308281,49309396,49307529,49307578,49308409,49307400,49309708,49308635,49307138,49307211,49307229,49307117,49307275,49307667,49308142,49307092,49307132],"score":144,"time":1786752923,"title":"Simplifying and Refactoring Introductory Calculus (2018)","type":"story","url":"https://arxiv.org/abs/1811.03459"}],[49229174,{"by":"gukoff","descendants":33,"id":49229174,"kids":[49230552,49230076,49231865,49229920,49230769,49236015,49233977,49231215,49256872,49237718,49233535,49230520,49230415],"score":198,"time":1786259998,"title":"There Are Magic Hexagons of Every Order","type":"story","url":"https://gukov.dev/math/2026/08/02/new-magic-hexagons.html"}],[49226767,{"by":"lschueller","descendants":67,"id":49226767,"kids":[49227261,49227496,49226951,49230444,49227262,49227025,49227618,49227606,49227164,49242410,49229436,49227418,49227308],"score":45,"time":1786230547,"title":"Depression has tripled in the last 15 years. Arthur Brooks about the cause","type":"story","url":"https://bigthink.com/series/full-interview/meaning-crisis-brooks/"}],[49170165,{"by":"automatoney","descendants":99,"id":49170165,"kids":[49170830,49172144,49171543,49173227,49170746,49170857,49171345,49173374,49170601,49172920,49174805,49171256,49170832,49171762,49178855,49170953,49183234,49171556,49171538,49174041,49171156,49175741,49171206,49174882,49172428,49171094,49175997,49174548,49171411,49177474,49174790,49172486,49170758,49171755,49173488,49203632,49172294,49207078,49184754,49177672,49178695,49187770,49170650,49175295,49183855,49171558,49172670,49171526,49170576,49171881,49170736,49172173,49174390,49170799],"score":627,"text":"Hello HN!

I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy.

I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has.

The methodology might be a bit shaky, but hopefully the result is as helpful for others as I have found it! There's lots of room for improvements (see the Future Work section), but I'm really happy with how it turned out.","time":1785856582,"title":"Show HN: Simple algorithm and color space to generate diverse skin tones","type":"story","url":"https://toneyalexander.github.io/inclusive-color-space/"}],[49156011,{"by":"nikolay_sivko","descendants":76,"id":49156011,"kids":[49159961,49158861,49157078,49162974,49157324,49158513,49162490,49157146,49165755,49157166,49157455,49159887,49157458,49166560,49157866,49160068,49163953,49165445,49158993,49157520,49157115,49157534],"score":340,"time":1785766140,"title":"Andy Pavlo joins ClickHouse to establish ClickHouse 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https://www.economist.com/business/2026/07/14/demis-hassabis..., https://archive.ph/GOUcN","time":1784020807,"title":"Demis Hassabis has a plan to harness AI safely","type":"story","url":"https://twitter.com/demishassabis/status/2076957440109625718"}],[48793454,{"by":"AlexeyBrin","descendants":51,"id":48793454,"kids":[48794436,48794375,48797906,48800174,48802310,48797235,48794745,48796339,48794338,48795604,48795547,48796926,48794378],"score":327,"time":1783252456,"title":"Introduction to Compilers and Language Design (2021)","type":"story","url":"https://dthain.github.io/books/compiler/"}],[48369980,{"by":"eustoria","descendants":318,"id":48369980,"kids":[48373132,48371246,48373141,48371257,48372895,48370521,48374437,48372292,48372836,48372247,48370737,48373638,48371986,48373029,48372423,48371049,48378954,48375011,48371118,48376092,48374560,48372740,48377312,48374569,48373075,48371552,48373740,48371192,48373981],"score":415,"time":1780406672,"title":"A walking tour of surveillance infrastructure in Seattle (2020)","type":"story","url":"https://coveillance.org/a-walking-tour-of-surveillance-infrastructure-in-seattle/"}],[48309233,{"by":"brandonb","descendants":868,"id":48309233,"kids":[48309521,48331555,48309335,48309651,48311908,48309605,48310246,48311443,48309435,48310776,48309542,48310982,48330625,48309512,48310450,48309562,48309558,48332051,48310802,48333540,48315043,48311287,48310826,48312630,48309699,48311395,48315126,48332398,48310322,48334575,48313323,48311671,48309944,48310514,48313443,48309482,48309389,48310275,48311917,48309905,48309622,48311995,48346035,48311827,48311205,48309951,48333215,48311564,48354603,48316074,48309369,48311838,48311061,48330776,48311007,48311055,48309289,48330963,48315441,48309716,48330864,48311128,48310420,48311721],"score":654,"time":1779977580,"title":"Citing 'severe' math deficits, UC faculty demand a return to SAT tests for STEM","type":"story","url":"https://www.latimes.com/california/story/2026-05-27/uc-math-professors-demand-return-of-sat-for-stem-admissions"}],[48194352,{"by":"dmarcos","descendants":618,"id":48194352,"kids":[48195873,48194581,48195860,48196037,48200488,48194484,48194724,48196705,48194609,48202506,48194402,48194455,48196121,48194612,48199527,48194692,48197033,48195435,48196506,48194639,48200044,48196493,48195901,48195156,48194806,48196820,48196475,48195683,48196655,48196162,48206090,48195691,48198477,48197963,48200759,48194409,48196429,48197165,48195555,48195545,48196900,48194975,48196329,48204238,48197558,48195046,48195305,48197279,48201953,48194924,48197534,48194488,48205842,48194892,48198306,48195241,48200455,48196579,48196316,48199515,48195534,48195407,48203679,48197855,48201517,48201084,48195583,48202604,48202601,48196041,48197109,48195558,48195290,48195823,48197335,48195287,48195952,48194411,48194460,48195114,48197789,48194700,48202970,48194874,48195639,48199267,48203647,48224356,48200599,48194596,48200595,48194942,48194720,48194613,48195067,48194549,48195372,48198338,48195031],"score":1431,"text":"https://xcancel.com/karpathy/status/2056753169888334312

https://www.axios.com/2026/05/19/anthropic-openai-karpathy-a..., https://archive.ph/h6T3X","time":1779203265,"title":"I’ve joined Anthropic","type":"story","url":"https://twitter.com/karpathy/status/2056753169888334312"}]]

user:	richard_chase
created:	September 21, 2025
karma:	19