<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: WalterBright</title><link>https://news.ycombinator.com/user?id=WalterBright</link><description>Hacker News RSS</description><docs>https://hnrss.org/</docs><generator>hnrss v2.1.1</generator><lastBuildDate>Sat, 11 Apr 2026 11:25:34 +0000</lastBuildDate><atom:link href="https://hnrss.org/user?id=WalterBright" rel="self" type="application/rss+xml"></atom:link><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>There are multiple mathematical and physical approaches to understand lift, but they have the same results and are correct.</p>
]]></description><pubDate>Sat, 11 Apr 2026 04:25:49 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727390</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727390</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727390</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>Wings and rudders and landing gear are very heavy. Then there's the flight control system in all its complexity, along with redundant hydraulic systems and so on.</p>
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<p>Siri turn on main screen</p>
]]></description><pubDate>Sat, 11 Apr 2026 04:17:44 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727356</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727356</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727356</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>The lumpiness of the moon's gravity is not well mapped out.</p>
]]></description><pubDate>Sat, 11 Apr 2026 04:09:21 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727305</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727305</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727305</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>The moon's gravity turns out to be "lumpy" because its density is not constant. This was detected by the Apollo missions and caused them to make errors in orbit calculations. This source of error could have influenced the flyby.</p>
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<p>Your father is a better man than I am.</p>
]]></description><pubDate>Sat, 11 Apr 2026 04:04:15 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727275</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727275</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727275</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>Landing on the moon is enormously riskier than simply going further out.</p>
]]></description><pubDate>Sat, 11 Apr 2026 04:02:33 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727262</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727262</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727262</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>> one more known source of risk to eliminate.<p>How could they have eliminated that risk?</p>
]]></description><pubDate>Sat, 11 Apr 2026 03:56:46 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727220</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727220</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727220</guid></item><item><title><![CDATA[New comment by WalterBright in "Artemis II safely splashes down"]]></title><description><![CDATA[
<p>You cannot really determine what the risks are before trying something new.</p>
]]></description><pubDate>Sat, 11 Apr 2026 03:51:21 +0000</pubDate><link>https://news.ycombinator.com/item?id=47727183</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47727183</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47727183</guid></item><item><title><![CDATA[New comment by WalterBright in "Who is Satoshi Nakamoto? My quest to unmask Bitcoin's creator"]]></title><description><![CDATA[
<p>I use "dang" as a nod to Gary Larson.</p>
]]></description><pubDate>Wed, 08 Apr 2026 21:53:45 +0000</pubDate><link>https://news.ycombinator.com/item?id=47696763</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47696763</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47696763</guid></item><item><title><![CDATA[New comment by WalterBright in "Who is Satoshi Nakamoto? My quest to unmask Bitcoin's creator"]]></title><description><![CDATA[
<p>My dorm room was next door to Hal Finney. He was a freakin genius at every intellectual endeavor he bothered to try. My fellow students and I were in awe of him.<p>But you had to get to know him to realize what he was. To most people, he was just a regular guy, easy going, friendly, always willing to help.<p>He was also a libertarian, and the concept of bitcoin must have been very appealing to him.<p>And inventing "Satoshi" as the front man is just the prankish thing he'd do, as he had quite a sense of humor.<p>I regret not getting to know him better, though I don't think he found me very interesting.<p>My money's on Hal.</p>
]]></description><pubDate>Wed, 08 Apr 2026 21:42:32 +0000</pubDate><link>https://news.ycombinator.com/item?id=47696655</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47696655</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47696655</guid></item><item><title><![CDATA[New comment by WalterBright in "Why Switzerland has 25 Gbit internet and America doesn't"]]></title><description><![CDATA[
<p>I quoted "robber" in <a href="https://news.ycombinator.com/item?id=47654948">https://news.ycombinator.com/item?id=47654948</a> when I replied to it. I did not "fabricate" it.<p>> if setting prices independently from costs is OK, then monopolies are good. Because market competition is lauded for preventing exactly that.<p>Your premise does not lead to your conclusion. It doesn't make any sense.</p>
]]></description><pubDate>Wed, 08 Apr 2026 04:37:15 +0000</pubDate><link>https://news.ycombinator.com/item?id=47685314</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47685314</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47685314</guid></item><item><title><![CDATA[New comment by WalterBright in "Why Switzerland has 25 Gbit internet and America doesn't"]]></title><description><![CDATA[
<p>SO had a significantly lower cost structure, it didn't need to lose money.<p>The nuance is throughout the SO anti-trust trial, SO was losing market share.<p>SO's main method of growing was to buy out competitors, and made them rich with SO stock.</p>
]]></description><pubDate>Wed, 08 Apr 2026 04:31:24 +0000</pubDate><link>https://news.ycombinator.com/item?id=47685276</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47685276</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47685276</guid></item><item><title><![CDATA[New comment by WalterBright in "How to get better at guitar"]]></title><description><![CDATA[
<p>thank you</p>
]]></description><pubDate>Wed, 08 Apr 2026 04:27:33 +0000</pubDate><link>https://news.ycombinator.com/item?id=47685241</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47685241</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47685241</guid></item><item><title><![CDATA[New comment by WalterBright in "How to get better at guitar"]]></title><description><![CDATA[
<p>???</p>
]]></description><pubDate>Wed, 08 Apr 2026 01:32:05 +0000</pubDate><link>https://news.ycombinator.com/item?id=47683672</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47683672</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47683672</guid></item><item><title><![CDATA[New comment by WalterBright in "How to get better at guitar"]]></title><description><![CDATA[
<p>I'm not in the least surprised by that. Bones in children are softer and more malleable, they don't harden up until 16 or so. (That's why young athletes should stick to more reps and lighter weights until 16.)<p>I've tried emulating those movements, and just look like Bullwinkle.</p>
]]></description><pubDate>Wed, 08 Apr 2026 01:31:30 +0000</pubDate><link>https://news.ycombinator.com/item?id=47683667</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47683667</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47683667</guid></item><item><title><![CDATA[New comment by WalterBright in "How to get better at guitar"]]></title><description><![CDATA[
<p>Another incident: I was stepping out of my ride to the airport, and noticed another woman pulling her luggage out of the trunk of a car. I remarked "I bet you're a ballet dancer." She said "nope, I'm an ice dancer!" Funny I could tell just by the way she wrangled the luggage.</p>
]]></description><pubDate>Wed, 08 Apr 2026 00:36:16 +0000</pubDate><link>https://news.ycombinator.com/item?id=47683196</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47683196</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47683196</guid></item><item><title><![CDATA[New comment by WalterBright in "How to get better at guitar"]]></title><description><![CDATA[
<p>I was at a dance hall the other day, and this young lady came floating in. It's hard to describe how she walked - just like she was effortlessly gliding. It looks easy, but anyone else would look like a moose trying it.<p>It's the result of a lifetime of ballet dancing. Probably 10,000 hours, at least.<p>I was just in awe.</p>
]]></description><pubDate>Tue, 07 Apr 2026 23:02:09 +0000</pubDate><link>https://news.ycombinator.com/item?id=47682438</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47682438</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47682438</guid></item><item><title><![CDATA[New comment by WalterBright in "Why Switzerland has 25 Gbit internet and America doesn't"]]></title><description><![CDATA[
<p>> “who cares about markets, monopolies are good”<p>I never wrote anything resembling that fabrication, and it doesn't follow from your reply, either.</p>
]]></description><pubDate>Tue, 07 Apr 2026 18:33:52 +0000</pubDate><link>https://news.ycombinator.com/item?id=47679463</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47679463</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47679463</guid></item><item><title><![CDATA[New comment by WalterBright in "Why Switzerland has 25 Gbit internet and America doesn't"]]></title><description><![CDATA[
<p>Rockefeller did not get rich by losing money.<p>Nor did Rockefeller eliminate his competitors. He never got more than a 90% market share. SO was not tried for being a monopoly, it was tried for trying to create one.<p>SO's market share sank during the trial, as Rockefeller's competitors learned how to compete with him.<p>See "Titan" by Chernow.<p>> With enough scale, a near-monopoly can provide irrational predatory pricing long enough make competitors insolvent.<p>The reason this doesn't work is if X has 10 times the market share of Y, if X wants to lose money to hurt Y, X loses 10 times the money that Y loses. I.e. the larger the market share of X is, the proportionately more money is lost trying to undercut Y.</p>
]]></description><pubDate>Tue, 07 Apr 2026 18:31:31 +0000</pubDate><link>https://news.ycombinator.com/item?id=47679439</link><dc:creator>WalterBright</dc:creator><comments>https://news.ycombinator.com/item?id=47679439</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47679439</guid></item></channel></rss>