<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Hacker News: dekhn</title><link>https://news.ycombinator.com/user?id=dekhn</link><description>Hacker News RSS</description><docs>https://hnrss.org/</docs><generator>hnrss v2.1.1</generator><lastBuildDate>Fri, 14 Aug 2026 09:17:42 +0000</lastBuildDate><atom:link href="https://hnrss.org/user?id=dekhn" rel="self" type="application/rss+xml"></atom:link><item><title><![CDATA[New comment by dekhn in "U of Michigan drops first-semester grades to ‘curb mental health crisis’"]]></title><description><![CDATA[
<p>"The tyranny of soft expectations"<p>I was intensely stressed through high school and undergrad, then later in grad school, postdoc, full time job as computer scientist, then as a SWE.  It wasn't pleasant but it drove me to achieve at far higher levels, in ways that paid off well in the long run (like financial stability and earlier retirement).  Note: in undergrad, I specifically went to a school that did not have grades but still felt all the stress to perform.<p>I suspect that as unpleasant as stress is, it ultimately can make us better people.</p>
]]></description><pubDate>Wed, 12 Aug 2026 16:53:34 +0000</pubDate><link>https://news.ycombinator.com/item?id=49275368</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49275368</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49275368</guid></item><item><title><![CDATA[New comment by dekhn in "Go is an ideal language for AI-assisted software engineering"]]></title><description><![CDATA[
<p>Go has some interesting ideas but they tremendously oversold goroutines as being a unique capability (they have since agreed that goroutines are effectively just scheduled thread pools with message passing).  And I know a fair number of SRE at Google who hated to use it because it lacked some key features (around ioctl and other system level functionality).  And my experience with the type system... it's just too different from what I expect a system to do.<p>For AI I use python+rust.  I develop code in python (mostly AI-driven these days) and then have it port to rust for speed.  As always, extensive testing (much of which is manually inspected to make sure it's logically consistent with the design and contract).</p>
]]></description><pubDate>Wed, 12 Aug 2026 14:58:06 +0000</pubDate><link>https://news.ycombinator.com/item?id=49273433</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49273433</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49273433</guid></item><item><title><![CDATA[New comment by dekhn in "Taxi drivers rarely die of Alzheimer's"]]></title><description><![CDATA[
<p>Comparing 1/100 and 1/60 doesn't mean anything in terms of statistical significance (you would need to know more).<p>They aren't being anti-science and it's low-quality to suggest they are.</p>
]]></description><pubDate>Mon, 10 Aug 2026 19:38:51 +0000</pubDate><link>https://news.ycombinator.com/item?id=49248630</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49248630</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49248630</guid></item><item><title><![CDATA[New comment by dekhn in "Taxi drivers rarely die of Alzheimer's"]]></title><description><![CDATA[
<p>The first question you ask when you read a paper like this is whether you think the authors actually did control for what they say they controlled for.  Usually, they didn't.</p>
]]></description><pubDate>Mon, 10 Aug 2026 16:20:13 +0000</pubDate><link>https://news.ycombinator.com/item?id=49245766</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49245766</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49245766</guid></item><item><title><![CDATA[New comment by dekhn in "Discovery Loop"]]></title><description><![CDATA[
<p>In my area (pharma) what it looks like is this:
A human defines a high-level research objective.  "Identify a protein target that causes disease in humans, and find a molecule that binds to, and disables, that protein, eliminating the disease".<p>That objective then gets loaded into an ML model that spits out an experimental protocol.  A protocol can be as simple as: "make 1 million test tubes, each with the protein, and in each, a custom molecules, and look for test tubes that show some reaction of interest".  It can be a lot more complicated (for some reason, biologists who run these systems always try to do the most challenging experiments first, while I tend to spend all my time demonstrating the system can pass basic controls first).  The protocol is then loaded into a robotic work cell which has access to protein-making machines and drug making machines, and then it handles all the experimental details (which previously would have been done by a technician).  It scales up far larger than individual technician, is much more reliable, and faster (in theory- all of these are aspirational goals right now). T he results of those experiments are used to fine tune the experimental protocol and run another round.   You run this in a loop and the result is better drugs faster (again- in theory.)<p>This is already an active area of research with more resources going to into it every day.  The fact that Jeff and Sanjay have chosen to bet on this approach should be no surprise.  In many ways, this is exactly what I intended when I wrote the documents inside Google (15 years ago) that motivated Jeff and Sanjay to work on scientific computing problems, and my current company is already trying to figure out how to work with Discovery Loop.</p>
]]></description><pubDate>Thu, 06 Aug 2026 01:07:56 +0000</pubDate><link>https://news.ycombinator.com/item?id=49191156</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49191156</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49191156</guid></item><item><title><![CDATA[New comment by dekhn in "Discovery Loop"]]></title><description><![CDATA[
<p>compute resources are scarce and folks are fighting over scraps at this point.</p>
]]></description><pubDate>Thu, 06 Aug 2026 00:57:45 +0000</pubDate><link>https://news.ycombinator.com/item?id=49191066</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49191066</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49191066</guid></item><item><title><![CDATA[New comment by dekhn in "Discovery Loop"]]></title><description><![CDATA[
<p>Treating autism (and preventing it) is not eugenics.  That's a talking point some folks raise, but we're talking about intensely pervasive autism, not neurodivergence.  Really, please try to do better in your arguments than immediately saying your opponent is like Hitler.</p>
]]></description><pubDate>Thu, 06 Aug 2026 00:32:39 +0000</pubDate><link>https://news.ycombinator.com/item?id=49190903</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49190903</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49190903</guid></item><item><title><![CDATA[New comment by dekhn in "Discovery Loop"]]></title><description><![CDATA[
<p>The same thing happened before with every technological advance like cars and personal computers.<p>I don't get this weird rejection of AI from a socialistic perspective.  Or rather, I do, but I don't think it's healthy.</p>
]]></description><pubDate>Thu, 06 Aug 2026 00:27:28 +0000</pubDate><link>https://news.ycombinator.com/item?id=49190877</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49190877</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49190877</guid></item><item><title><![CDATA[New comment by dekhn in "Changes at Google DeepMind: Demis Hassabis from CEO to Chair, Jeff Dean departs"]]></title><description><![CDATA[
<p>New Jeff Dean fact: when Jeff leaves Google, the stock drops 20 points.</p>
]]></description><pubDate>Wed, 05 Aug 2026 20:41:26 +0000</pubDate><link>https://news.ycombinator.com/item?id=49188711</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49188711</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49188711</guid></item><item><title><![CDATA[New comment by dekhn in "Discovery Loop"]]></title><description><![CDATA[
<p>Actually the list is technically accurate.  So maybe it's sour grapes, but it's correct sour grapes.</p>
]]></description><pubDate>Wed, 05 Aug 2026 18:30:52 +0000</pubDate><link>https://news.ycombinator.com/item?id=49186957</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49186957</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49186957</guid></item><item><title><![CDATA[New comment by dekhn in "Changes at Google DeepMind: Demis Hassabis from CEO to Chair, Jeff Dean departs"]]></title><description><![CDATA[
<p>Basically, he had a server that did code indexing running on his workstation.  If he didn't login and run a command to refresh his prod credentials every day, the server would lose its ability to talk to prod (as it should) and fail.  Much of the company depended on that service.  Eventually it was moved to prod.</p>
]]></description><pubDate>Wed, 05 Aug 2026 17:49:11 +0000</pubDate><link>https://news.ycombinator.com/item?id=49186335</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49186335</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49186335</guid></item><item><title><![CDATA[New comment by dekhn in "AI companies destroy rare and non recoverable physical books"]]></title><description><![CDATA[
<p>The clear conclusion from all the articles I've read is that no truly rare books are being destroyed in this process.  That is an intentional technique used by the article authors to manipulate readers into being outraged.</p>
]]></description><pubDate>Tue, 04 Aug 2026 22:05:26 +0000</pubDate><link>https://news.ycombinator.com/item?id=49175874</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49175874</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49175874</guid></item><item><title><![CDATA[New comment by dekhn in "Why some people mow a lawn better than others"]]></title><description><![CDATA[
<p>The author's objective function is incorrect, negating the core claim.</p>
]]></description><pubDate>Tue, 04 Aug 2026 18:48:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=49173128</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49173128</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49173128</guid></item><item><title><![CDATA[New comment by dekhn in "Karpathy’s Pelican"]]></title><description><![CDATA[
<p>I'd like to see the Silmarillion, specfically both Ainulindalë and the Fall of Numenor.  At this point a visual model would probably produce something better than Amazon (but presumably not Jackson).</p>
]]></description><pubDate>Sun, 02 Aug 2026 17:59:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=49146748</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49146748</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49146748</guid></item><item><title><![CDATA[New comment by dekhn in "AI companies destroy rare and non recoverable physical books"]]></title><description><![CDATA[
<p>You are not being prevented from accessing another copy of the book to get that knowledge.</p>
]]></description><pubDate>Sat, 01 Aug 2026 15:12:02 +0000</pubDate><link>https://news.ycombinator.com/item?id=49135145</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49135145</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49135145</guid></item><item><title><![CDATA[New comment by dekhn in "AI companies destroy rare and non recoverable physical books"]]></title><description><![CDATA[
<p>These articles are designed to create maximal outrage, and they can mislead you into thinking the problem is far worse than it really is.  Conflating the nature of the books (between "rare" and "common") is exactly the sort of things these articles do.<p>Also, the companies are required to do this by the government/law, they are not doing this because they want to destroy old knowledge.  They are making that knowledge more widely available in a digital form.</p>
]]></description><pubDate>Fri, 31 Jul 2026 20:52:57 +0000</pubDate><link>https://news.ycombinator.com/item?id=49128399</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49128399</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49128399</guid></item><item><title><![CDATA[New comment by dekhn in "AI companies destroy rare and non recoverable physical books"]]></title><description><![CDATA[
<p>I do too.  But my hope is that by calmly repeating the truth the AI haters might realize that they are being manipulated.</p>
]]></description><pubDate>Fri, 31 Jul 2026 20:15:29 +0000</pubDate><link>https://news.ycombinator.com/item?id=49128055</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49128055</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49128055</guid></item><item><title><![CDATA[New comment by dekhn in "AI companies destroy rare and non recoverable physical books"]]></title><description><![CDATA[
<p>This is one of those articles that goes out of its way to enrage people, when the underlying reality is far simpler, more straightforward, and less nefarious.</p>
]]></description><pubDate>Fri, 31 Jul 2026 19:28:26 +0000</pubDate><link>https://news.ycombinator.com/item?id=49127543</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49127543</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49127543</guid></item><item><title><![CDATA[New comment by dekhn in "Algorithms on billion-scale graph using 10GB RAM: I love DataFusion"]]></title><description><![CDATA[
<p>It's hard to take the article seriously when it has quotes like this:
"The hardest part. 2B edges twitter graph is already huge (its edges are 30 GB in CSV !!!)."<p>Who cares how big the graph is in CSV?  That's not the representation you operate over in big data.<p>All of this would have easily fit in memory on any reasonable modern system.</p>
]]></description><pubDate>Fri, 31 Jul 2026 19:23:45 +0000</pubDate><link>https://news.ycombinator.com/item?id=49127485</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49127485</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49127485</guid></item><item><title><![CDATA[New comment by dekhn in "CipherX applies painless permanent tattoos with dissolving microneedle patches"]]></title><description><![CDATA[
<p>Got it.  I guess there is a whole subgenre of 8-bit pixel art tattoos as well.</p>
]]></description><pubDate>Thu, 30 Jul 2026 15:55:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=49111808</link><dc:creator>dekhn</dc:creator><comments>https://news.ycombinator.com/item?id=49111808</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49111808</guid></item></channel></rss>