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ctchocula

719 karma · joined November 20, 2011

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ctchocula··on The Toyota Prius transformed the auto industry
A new 200A electrical panel costs $5000-6000 to be installed with a permit in SV. If you want to run 50A wire for an L2 charger that might be $1000-2000 more. Getting close to $10000, so I'd say it is fairly expensive.
ctchocula··on Hotel booking sites overcharge Bay Area customers
It's interesting that the name Linken Sphere comes from the DotA game. It's a piece of equipment that when equipped blocks one harmful spell from hitting your character. The analogy seems fit the anti-tracking as well, by preventing you from being tracked.
ctchocula··on I've acquired a new superpower
"True glory consists in doing what deserves to be written, in writing what deserves to be read, and in so living as to make the world happier and better for our living in it."
ctchocula··on Training myself to run farther with Strava's API and an IoT dog feeder of M&Ms
I like how you describe vo2 max as similar to an xp bar, because I've felt something similar. Zone 2 is what got me into running, because it made running not hurt and almost pleasurable.

It's much more sustainable than Zone 4 (supposedly anyone can maintain Zone 2 for hours) and brings with it a bunch of metabolic and health benefits. I found the book "80/20 Running" to have excellent running schedules for how to mix in a small but appropriate amount of fast Zone 4 running into a schedule that's predominantly Zone 2. It has a good mix of intervals, tempo runs and hill runs that build you up to run 5k, 10s, halfs and full marathons in beginner, intermediate and advanced pace goals.

The intent of the slow Zone 2 is to build the cardiovascular base that gives you better aerobic endurance without stressing your body out too much. Zone 4 is what makes you faster.

ctchocula··on How the Ivy League Broke America
Reminds me of "Great minds discuss ideas; average minds discuss events; small minds discuss people".
ctchocula··on History of Hangul
Can you share the name of the app for others who might be interested in trying it out?
ctchocula··on What is the origin of the lake tank image that has become a meme? (2021)
There's a similar scene in "For Whom the Bell Tolls" by Ernest Hemingway.
ctchocula··on Trump wins presidency for second time
The truth will come out eventually, but this article suggests Rogan stiffed her on purpose.

https://newrepublic.com/post/187601/fox-news-joe-rogan-donal...

ctchocula··on Trump wins presidency for second time
Idk about Theo Von, but Rogan put his thumb on the scale when he refused to interview Harris even though he interviewed Trump.
ctchocula··on Trump wins presidency for second time
You have to understand American politics behind the rise of Trump. Since the 1980s and Reagan, Democrats had broken with their New Deal era coalition composed of union workers. Instead, Democrats have aligned with middle class knowledge workers, and pushed for neoliberal policy that have offshored many manufacturing jobs. This was seen as a betrayal to the working class. That has left many working class whites with high school degrees with low-paying service jobs, that gave them a lower standard of living compared to the union jobs their parents worked.

This continued from Clinton to the Obama era. While Obamacare was a step in the right direction, it was seen as too little too late. It also had unintended consequences. For example, some of my part-time service job colleagues reported that pre-Obamacare, the employer could have them work 40 hours a week, because they weren't forced to provide them health insurance that met some minimum standard. However post-Obamacare, their hours were limited at 29 hours, which made it much harder to make a living.

By 2016, there was an opioid addiction crisis composing largely of working whites with only a high school degree, and the economy was still suffering from the slower-than-possible recovery from the Great Recession. (Economists say it would've been faster with more stimulus, but Obama was cowed by his neoliberal econ advisors). Due to gridlock in the political system, immigration system reform was impossible, and Presidents could only use Executive Orders to try to mitigate (but not solve) the problem of an increasing number of illegal immigrants from the Southern border.

All the pieces were in place:

- Scapegoat: illegal immigrants

- Weak economy: check

- Disgruntled populace: check

Feeling abandoned by both parties, the electorate went with an anti-establishment strongman demagogue who preyed on their hopes and fears. It's almost identical to the political environment that gave rise to Hitler and Mussolini.

The saving grace for the US during Trump's first term has been her strong democratic institutions. Pray they hold up during his second and hopefully final term.

ctchocula··on Meta fires staffers for using $25 meal credits on household goods
Most likely they were in the form of UberEats or Doordash credits, which can be used to purchase retail items like the ones described in the article.
ctchocula··on Research in psychology: are we learning anything?
> There was an understanding of natural selection even back to antiquity. How could there not be? Did people not tame the animals and plants? These are experiments, and they saw the results.

No, people did not know natural selection before Darwin. He spent decades collecting and then analyzing data collected in Galapagos Islands before he made his breakthrough.

It's pure hindsight bias to think that you can go from "I bred the fattest chickens together, who made a fatter chicken" to "Humans evolved from apes who evolved from single-cellular organisms". For millennia, people from all cultures believed that God created humans from the void. In the absence of data, that's as good a guess as you can have. If Darwin concocted his theory of natural selection before he had his data, no one would have believed him. By dismissing the theory of natural selection as something that was "obvious" pre-Darwin you are dismissing his life's work.

ctchocula··on How to succeed in MrBeast production (Leaked PDF)
You might be stretching Dan Luu's essay a bit far. It's been a while since I read it, but my recollection of it was him saying the 95th percentile in an arbitrary hobby, say amateurs playing competitive esports (e.g. Overwatch), and that if you put even a small amount of time into deliberate practice, you would be better than 95th percentile player in Overwatch. I didn't get the sense Dan Luu was extrapolating to multi-billion dollar companies, what it would take to take the fight to them, and taking their market share.
ctchocula··on Apple Maps on the web launches in beta
The worst part of Apple Maps is it doesn't have "always point north" mode. That makes it unuseable for those of us that can't use non-North turn-by-turn maps.

It's been a feature request for many years now and Apple hasn't done anything about it.

ctchocula··on Calif.-based Cue Health, once worth $2.3B lays off every remaining worker
The most anti-consumer part of this company is each overpriced covid test has an expiry date. For a cheap $5 test you can find in a grocery store, even if it's past expiry you can still use the test and the ones I've tried have been accurate even when expired. For Cue, the DRM prevents you from using the expired tests and you have to throw it away. Good riddance.
ctchocula··on The Reign of Alexander III of Macedon
> I once heard a coach claim that given a student with the heart of a champion, they'd podium after having been taught but two actions.

Out of curiosity, for which sport?

ctchocula··on Selling 'Ghost in the Shell'
It's a fun anime if the slapstick comedy resonates with you and don't take everything seriously. If slapstick isn't your cup of tea, then no point forcing yourself to watch it.
ctchocula··on Selling 'Ghost in the Shell'
> I kind of like that we’re thrown headfirst into this world without a ton of exposition around motivations and whatnot. It feels _a lot_ like Blade Runner that way (my favorite film) — sort of confounding and urgent.

I really like this part of fiction and media as well, because it forces you to do some work piecing everything together, so you feel a bit like a detective as well. Way better than superhero movies where you are spoonfed everything. It's a common narrative device found in Phillip K. Dick books, one of which Blade Runner is based off of. I really like the way it builds suspense.

ctchocula··on Hyundai is spending $1B to keep self-driving startup Motional alive
> 2. It doesn't appear to work with rain

Waymos do drive in the rain. See [1].

[1] https://old.reddit.com/r/SelfDrivingCars/comments/126kznl/wa...

ctchocula··on Are we all trapped in The Matrix 25 years later?
People don't use the metaphor literally because it doesn't make sense from a 2nd Law of Thermodynamics perspective. If the Matrix was created by AGI for thr sake of producing energy, it would make no sense at all to keep humans around in pods, because it costs them more energy to keep a human alive than what they get out of the human.

The movie producers realized the problem in later movies and added some mumbojumbo that they were keeping humans around for their neural networks, but that still requires the viewer to take it on faith.

ctchocula··on The Economics of Status (2006)
This idea that everyone is at the top of a different status ladders appears to be the same basic thesis as the essay "Melancholy of Subculture Society" written by Gwern [1], which fleshes out the idea further and presents this as an ever-powerful force in the world driven by the Internet. I'm not sure I agree with it fully, but it's an interesting idea. I especially like the way the author wrote this paragraph:

"... Harvard had, in at least one interesting way, the perfect social system: Everyone at the top of his own ladder. The small minority of students passionately interested in drama knew perfectly well that they were the most important people at the university; everyone else was there to provide them with an audience. The small minority passionately interested in politics knew that they were the most important ones; their friends were there to be herded into meetings of the Young Republicans and Young Democrats in order to get them elected to positions in those organizations that were the stepping stones to further political success."

[1] https://gwern.net/subculture

ctchocula··on Passing stars changed the orbits of planets in the solar system
If you're interested in this topic, you might also be interested in the idea that there is a Brown Dwarf hidden near our solar system that causes periodic extinctions on Earth, because it periodically messes up the comet shield provided by the Sun and gas giants.

[1] https://en.m.wikipedia.org/wiki/Nemesis_(hypothetical_star)

ctchocula··on Fewer people are buying electric cars in the US
+1 I've also been bitten by this.

The low production volume of the Volt meant that the 1st generation Volts suffered from a poorly designed regulator on all windows, so the power window stops working. Those need to get replaced 5-8 years in. The battery coolant sensor is also poorly designed and if you ever get the dreaded SHVCS message, will prevent the Volt battery from charging. The dealer then rips you off asking for $2000 for what should be a 15min repair. /rant

Aside from these small things, I've loved the Volt and the 40mi is perfect for the average commute. Wish GM invested more in Volts instead of Bolts, which are way less aesthetically pleasing.

ctchocula··on Why the math on inheriting your parents' California home has changed
+1 to this. A fair and balanced take is that Prop 13 is a massive redistribution program from renters to the landowning class in California. In an ironic twist, the people without property are subsidizing the people with property. This is exacerbating wealth inequality.
ctchocula··on The Tyranny of the Marginal User
"director" is probably a reference to Woody Allen quoting Groucho Marx in Annie Hall [1]. It's a great movie btw. Comes highly recommended from Roger Ebert [2].

[1] https://www.youtube.com/watch?v=ejnp589JuL0

[2] https://www.rogerebert.com/reviews/great-movie-annie-hall-19...

ctchocula··on Amazon Cuts Dozens of House Brands as It Battles Costs, Regulators
My experience as well. HN is one of the few places I heard people talking about the commingling problem. I wonder how Amazon is able to keep this information from being known by so few people.
ctchocula··on The death of self-driving cars is greatly exaggerated
"It is difficult to get a man to understand something, when his salary depends on his not understanding it" seems apt here regarding both Karpathy and Elon. You can call me skeptical, but when there are millions and billions of dollars on the line for the two respectively, I don't know if I believe in Karpathy's expertise (which is in AI, not self-driving per se) and personal integrity sufficiently to believe he is doing what he considers to be the right thing vs. putting profit ahead of human lives.
ctchocula··on Own-goal football (2022)
Sure, but that doesn't apply here. If you watch the video, the defender passes back to the goalkeeper. Backpasses by the defending team that are intercepted by the attacking player (even if they are in an offside position) are not considered offside, regardless of whether the attacker touches the ball first or the goalkeeper. From your link, this is the pertinent line:

"A player in an offside position at the moment the ball is played or touched by a team-mate is only penalised on becoming involved in active play by:

...

gaining an advantage by playing the ball or interfering with an opponent when it has:

  - rebounded or been deflected off the goalpost, crossbar or an opponent

  - been deliberately saved by any opponent
A player in an offside position receiving the ball from an opponent who deliberately plays the ball, including by deliberate handball, is not considered to have gained an advantage, unless it was a deliberate save by any opponent."
ctchocula··on Waymo One doubles service area in Phoenix, continues growing in SF
Waymo also operates in SF, except during the daytime unlike Cruise.
ctchocula··on Chess, unlike war, is a game of perfect information
Nitpick: MCTS is a heuristic search algorithm as well (just like minimax) that doesn't necessarily need a neural network to operate and the MCTS algorithm existed way before AlphaZero, coming from Reinforcement Learning literature. Deepmind's innovation was to replace two of the 4 classic steps of MCTS (selection step and simulation step) with neural network-based policy and evaluation network.
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