<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: LorenPechtel</title><link>https://news.ycombinator.com/user?id=LorenPechtel</link><description>Hacker News RSS</description><docs>https://hnrss.org/</docs><generator>hnrss v2.1.1</generator><lastBuildDate>Tue, 28 Jul 2026 07:09:24 +0000</lastBuildDate><atom:link href="https://hnrss.org/user?id=LorenPechtel" rel="self" type="application/rss+xml"></atom:link><item><title><![CDATA[New comment by LorenPechtel in "DIY Home Solar System for under $5000 (2025)"]]></title><description><![CDATA[
<p>And some AI will probably come along and scrape that.<p>I didn't see the specifics of the problems but I had a very strong feeling that there's no planning for safe failure.</p>
]]></description><pubDate>Mon, 27 Jul 2026 20:11:38 +0000</pubDate><link>https://news.ycombinator.com/item?id=49074948</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49074948</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49074948</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Read More. Read Often. Read Every Day"]]></title><description><![CDATA[
<p>Why do people keep making this same mistake about longevity?!<p>> Readers have a 20% reduction in the risk of dying before their time.<p>> Readers are 2.5 times less likely to contract Alzheimers.<p>As usual, mixing up cause and effect.  Reading requires mental effort--those starting down the path to Alzheimers will find it harder and thus do less of it.  It's like the stunt the medicare advantage plan providers used to pull of making their pitches on the second floor of a building without elevators.</p>
]]></description><pubDate>Mon, 27 Jul 2026 19:56:45 +0000</pubDate><link>https://news.ycombinator.com/item?id=49074804</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49074804</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49074804</guid></item><item><title><![CDATA[New comment by LorenPechtel in "The US is charging an American citizen for wiping his phone at the border"]]></title><description><![CDATA[
<p>Under US law my understanding is that your password is something you know and thus can't be compelled.  (Although border control can say that showing them your phone is a condition of entry, but that's only meaningful for a non-citizen.)  He's a citizen, they denied him access to the attorney that would have told him he didn't have to comply.  But note that your fingerprint is something you have, not something you know--they can press your finger against the phone to try to unlock it.  That's part of the reason your phone wants the PIN after reboot.<p>The distinction between physical and legal presence is something that most people don't think about but it's effectively impossible for society to operate any other way.  With land borders you technically could put the border station exactly on the boundary, but that would be quite problematic and is never done.  There is also the problem that most countries have exit controls, also--after you pass the exit control you are no longer legally in the country even though you physically still are.<p>Then when you throw in reality it gets even more complex.  I have been on a plane that skipped landing in Taipei and proceeded to Hong Kong (I won't call it diverted as the flight was Tokyo - Taipei - Hong Kong, we were just going to get off in Taipei.)  Passports never looked at, we were shuffled around through the secure area of the airport and put on another plane that was flying the reverse route.  And I have made a transit of Botswana by train without ever encountering any officials from Botswana.  The only officials we saw were from Zimbabwe (where we boarded the train) and South Africa (where it was going.)<p>And we got caught in no-man's-land between Rwanda and Congo.  Cleared Rwanda exit control, proceeded across the border (land crossing) to Congo, they said sorry, border's closed until after the election.  We had a still-valid but useless visa for Congo, our visa for Rwanda was single entry and had been used.  The Rwandan officials saw the problem and cancelled our exit from Rwanda.<p>And I have done US pre-clearance from Canada, legally I was in the US, not Canada, before boarding the flight.  This does more than simply move the officials, the flight was treated as a domestic US flight and could land at airports without international facilities.  And, back in the less formal days we ended up going through Singapore without our passports ever being seen other than in our hands.  (On arrival, we lost an object on the airplane and spent a while hunting for it, by the time we got to the officials they were done with everyone else, they were talking to each other and just waved us through.  Then, on departure the idiot taxi driver took us to the cable car station instead of the train station.  The train started to roll while we were still in line--several of us with first-world passports got waved through.  The train was moving slowly enough we managed to catch up to a door before we ran out of platform.)</p>
]]></description><pubDate>Mon, 27 Jul 2026 19:43:56 +0000</pubDate><link>https://news.ycombinator.com/item?id=49074659</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49074659</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49074659</guid></item><item><title><![CDATA[New comment by LorenPechtel in "The US is charging an American citizen for wiping his phone at the border"]]></title><description><![CDATA[
<p>There has always been a difference between physical presence and actually being considered in a country, this is not unique to the US by any means.  From a practical standpoint it's impossible to not physically enter a country before being admitted except by means of airports that do pre-clearance.  Until you have been admitted to the country you are required to proceed directly to the station where your admissibility is evaluated.  You may not go anywhere else except in an emergency.<p>In the US there's no self indictment but it's interpreted as applying to anything in your mind, not to physical things.  You can not be compelled to answer a question (except if you have been granted immunity about what you will say) but things like your fingerprints are fair game.  Likewise, your phone.<p>The part of this case that I find bad is that there are no charges.  This was a fishing expedition, cops can't get warrants for fishing expeditions.  I find using the border patrol's ability to inspect arriving individuals for local law enforcement way out of line.</p>
]]></description><pubDate>Mon, 27 Jul 2026 00:27:46 +0000</pubDate><link>https://news.ycombinator.com/item?id=49063804</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49063804</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49063804</guid></item><item><title><![CDATA[New comment by LorenPechtel in "DskDitto: Ultra-fast, parallel duplicate-file detector"]]></title><description><![CDATA[
<p>Yeah, long ago I tackled a variant on this--given a directory of files, which ones are already somewhere?  I persisted data on what was already there--and found I didn't want to do a good job on the table of what was there.  The fastest approach was two tables, the first containing only crc-32s of the files, the second containing more details.  Load the first into memory, only load from the second when there was a match on the first.  Quickly discarding most prospects was the best route, don't even see if the prospect exists until it passes the first screen.</p>
]]></description><pubDate>Mon, 27 Jul 2026 00:12:39 +0000</pubDate><link>https://news.ycombinator.com/item?id=49063709</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49063709</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49063709</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Prosecutor Investigating U.S. Boat Strikes Was Murdered in Ecuador"]]></title><description><![CDATA[
<p>Lots of prosecutors killed there.  Why should we think this one wasn't another internal one?</p>
]]></description><pubDate>Sat, 25 Jul 2026 21:20:54 +0000</pubDate><link>https://news.ycombinator.com/item?id=49051714</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49051714</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49051714</guid></item><item><title><![CDATA[New comment by LorenPechtel in "SpaceX at $100 Would Imply Zero AI Value, Morgan Stanley Says"]]></title><description><![CDATA[
<p>Stock price does not need to match company value *in the short run*.  But company value exerts a tug on the share price, it won't succeed in pulling the share price to the correct value but it will in time correct the swings.  Think of walking a dog on a long leash--the dog will wander but will end up where the human goes.  Or even well-behaved dogs without a leash.</p>
]]></description><pubDate>Fri, 24 Jul 2026 20:56:46 +0000</pubDate><link>https://news.ycombinator.com/item?id=49041485</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49041485</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49041485</guid></item><item><title><![CDATA[New comment by LorenPechtel in "DOT cranks up its campaign to strip bike lane references from federal websites"]]></title><description><![CDATA[
<p>Yeah, I consider the bike lanes around here basically completely useless.  You can't actually get much of anywhere.  And there are too many drivers who harass bikes.  We just saw that recently with the boxer who got killed that way.<p>There's no thought of anything but cars, last spring at least there was a construction spot where they set up some barriers that force a pedestrian into a 35 mph traffic lane (decelerating from 55, so a lot of drivers are going faster than 35.)  And while pedestrians at that spot would be extremely rare (there's nothing beyond it--the only pedestrians would be those who were actually seeking nothing.  Namely, hikers) there is a decent amount of bike traffic there.</p>
]]></description><pubDate>Thu, 23 Jul 2026 23:16:16 +0000</pubDate><link>https://news.ycombinator.com/item?id=49029360</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49029360</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49029360</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Waymo's driverless cars crash less often than people"]]></title><description><![CDATA[
<p>Waymo certainly can't as currently designed.  Their system must have a very detailed mapping of the situation and it has a fallback of showing a human operator somewhere the situation and asking for the right course of action.  (This does not violate level 4.  A level 4 car must be able to <i>safely</i> resolve anything a human could, but it is allowed to stop and ask how to proceed.)</p>
]]></description><pubDate>Thu, 23 Jul 2026 22:52:04 +0000</pubDate><link>https://news.ycombinator.com/item?id=49029144</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49029144</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49029144</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Waymo's driverless cars crash less often than people"]]></title><description><![CDATA[
<p>Why in the world wouldn't they?<p>It's always how vehicle safety data is calculated.<p>With human drivers it matters--high mileage drivers are more likely to be driving tired or in poor conditions, low mileage drivers often are losing their abilities.  Thus you see elevated risk on the ends of the curve.  That doesn't apply to machines, though.</p>
]]></description><pubDate>Thu, 23 Jul 2026 22:48:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=49029116</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49029116</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49029116</guid></item><item><title><![CDATA[New comment by LorenPechtel in "My USB Drive Has a Hidden Encrypted Vault"]]></title><description><![CDATA[
<p>Most drives are bigger.  I have some around that size--but they're old.</p>
]]></description><pubDate>Thu, 23 Jul 2026 20:13:39 +0000</pubDate><link>https://news.ycombinator.com/item?id=49027400</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49027400</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49027400</guid></item><item><title><![CDATA[New comment by LorenPechtel in "My USB Drive Has a Hidden Encrypted Vault"]]></title><description><![CDATA[
<p>Power use is not deterministic unless it's in a known state.  The power hungry circuit is the erase and that's mostly a background thing.</p>
]]></description><pubDate>Thu, 23 Jul 2026 20:10:51 +0000</pubDate><link>https://news.ycombinator.com/item?id=49027362</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49027362</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49027362</guid></item><item><title><![CDATA[New comment by LorenPechtel in "My USB Drive Has a Hidden Encrypted Vault"]]></title><description><![CDATA[
<p>Simply dismounting it won't prevent the stored write.  You would have to dismount and then quickly power down.  The safe-to-remove indication on Windows takes at least that long.</p>
]]></description><pubDate>Thu, 23 Jul 2026 20:08:22 +0000</pubDate><link>https://news.ycombinator.com/item?id=49027337</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=49027337</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=49027337</guid></item><item><title><![CDATA[New comment by LorenPechtel in "My USB Drive Has a Hidden Encrypted Vault"]]></title><description><![CDATA[
<p>This isn't stand-up-to-state-actors security.  This is keep-state-actors-from-noticing security.  They know you're guilty, they'll get it.  The XKCD version of password cracking works no matter how secure your hardware.<p>But while states realistically can crack most anything it doesn't mean they can crack *every*thing.  There are simply too many flash drives crossing the border every day.<p>But there is a big flaw I see:  8gb.  You're carting around an 8gb flash drive these days??</p>
]]></description><pubDate>Tue, 21 Jul 2026 19:26:28 +0000</pubDate><link>https://news.ycombinator.com/item?id=48996983</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48996983</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48996983</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Three ways people respond to a problem (other than solving it)"]]></title><description><![CDATA[
<p>That's just pushing the problem around.  You aren't doing anything about the actual cause.</p>
]]></description><pubDate>Sat, 18 Jul 2026 15:11:44 +0000</pubDate><link>https://news.ycombinator.com/item?id=48958842</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48958842</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48958842</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Three ways people respond to a problem (other than solving it)"]]></title><description><![CDATA[
<p>Implicit in this is the assumption that the person is capable of being a productive worker.  An awful lot of the homeless are psychiatric cases.</p>
]]></description><pubDate>Sat, 18 Jul 2026 15:08:21 +0000</pubDate><link>https://news.ycombinator.com/item?id=48958812</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48958812</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48958812</guid></item><item><title><![CDATA[New comment by LorenPechtel in "Flock Safety had a car journalist stalked, wrongly accused, and detained"]]></title><description><![CDATA[
<p>Fundamentally, this is the police not understanding statistics as usual.  It provides a flood of data, and the more data you have the more likely you are to see an error.</p>
]]></description><pubDate>Fri, 17 Jul 2026 22:51:32 +0000</pubDate><link>https://news.ycombinator.com/item?id=48953056</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48953056</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48953056</guid></item><item><title><![CDATA[New comment by LorenPechtel in "A full body MRI earns you a year of smoking"]]></title><description><![CDATA[
<p>Doesn't need to be significant injury from every incident.<p>My wife had an MRI, incidental find on it caused a PET CT scan.</p>
]]></description><pubDate>Mon, 13 Jul 2026 21:18:54 +0000</pubDate><link>https://news.ycombinator.com/item?id=48899028</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48899028</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48899028</guid></item><item><title><![CDATA[New comment by LorenPechtel in "How Doctors die. It’s not like the rest of us (2016)"]]></title><description><![CDATA[
<p>Note how the data gets contaminated here.<p>CPR is simply buying time, at best it can delay death in the hope the doctors can do something about whatever caused the heart to quit.  Usually they can't.<p>AED is different.  Despite what Hollywood would have you believe the shocker does not start your heart and it is never used on a stopped heart.  Shocking is about the heart beating ineffectively.  It has a chance of actually treating the problem, not merely buying time.  If the heart is stopped the AED just sits there and says continue CPR.  And people blame it for being defective.</p>
]]></description><pubDate>Sun, 12 Jul 2026 19:16:21 +0000</pubDate><link>https://news.ycombinator.com/item?id=48883728</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48883728</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48883728</guid></item><item><title><![CDATA[New comment by LorenPechtel in "How Doctors die. It’s not like the rest of us (2016)"]]></title><description><![CDATA[
<p>A big increase in a small number can still be a small number.</p>
]]></description><pubDate>Sun, 12 Jul 2026 19:04:57 +0000</pubDate><link>https://news.ycombinator.com/item?id=48883625</link><dc:creator>LorenPechtel</dc:creator><comments>https://news.ycombinator.com/item?id=48883625</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=48883625</guid></item></channel></rss>