pseudolad
@pseudolad
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PhD candidate in yearning studies | Blocked by @lexfridman
Beyond the Environment
Joined April 2015
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Pinned Tweet
frankly ive not been enjoying twitter much recently and need to give it a rest to break the habit of checking it
pseudolad will return may 1st
if you know me you’re welcome to text
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Materials scientists watching everyone get excited about a superconductivity discovery knowing it isn’t real
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right on time
so many will learn how great automotive coatings technology is by the pain of its absence
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We took children out of factories a century ago
Now they play factorio
The children yearn for the factories
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“Were you passing a value or a reference?”
“reference”
“SO YOU DO KNOW THE DIFFERENCE!!!“
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Fulfilling a poll from awhile back, I should explain why the Cybertruck’s stainless steel panels require maintenance to keep good looking and why this is a difficult problem to solve for the Cybertruck
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I made a habit of kissing my gf whenever we were alone in an elevator. After awhile she would just lean against the wall and smile at me when the doors closed
If he can be in an elevator alone with you with zero incident 🚩🚩🚩🚩🚩
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anyone wanna explain why there’s so much software? Why are SWEs like 2.5% of the us labor force. That’s a genuinely insane amount compared to all other engineering
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I am raising $200k to put her on the sphere. DM me if interested
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so nice to be in NYC where nobody knows what linear algebra is
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the actual paper if you’re interested
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so many people are about to experience their first superconductivity hype-retraction-disappointment cycles
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The market cap differential in vs outside of tech always blows my mind. Adobe was prepared to pay $20b for Figma which is literally a graphic design tool. Meanwhile US Steel just got bought for $14b
Zoom Video's market cap briefly exceeded Exxon Mobil's.
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my AI hot take is almost fully formed but in short we’re going to look back on this as 6 months of llm-mania that preceded a period of major stagnation in the field
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Never doubt OSINT types they geolocated this motherfuckers COUNTERTOP
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I stand by this one
misogyny checkpoint: what’s the first tweet that shows up when you search “women” on your page ?
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I found a senior scientist position for a chemical company in NYC that asked for PhD
$90k-110k base
🤡🤡🤡
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so many will learn how great automotive coatings technology is by the pain of its absence
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an Apple pm in 2011, unaware of the cultural destruction he is about to unleash
“what if we made messages green so people know they’re on SMS?”
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normally i'm against cutting off thieves hands but i'm considering an exemption
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normally i would say this is top-tier bait
but I don’t think it is
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If you live near the ocean or in a place that salts roads in the winter you’re at much higher risk for this! The surface will constantly be exposed to chloride ions that accelerate corrosion. This is a major reason for painting cars in the first place
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But the reality is not nearly as clean as these illustrations suggest for three reasons
1. Some iron rusts while the oxide layer is healing
2. Dirt, salt, water, aerosols and corrosive car exhaust all exist in the air
3. Surfaces are very rough at the small scale
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SF party kickoff: “let’s set our intentions”
NY party kickoff:
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@paulmrenfro
this still pisses me off to this day. Centuries of refined educational prestige -> bond villain front company
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Cybertruck uses a proprietary 300-series stainless. That is an austenitic steel with chromium and nickel as the major alloying metals. The chromium forms a very thin (<1 micron) layer of Cr2O3 which protects the iron inside from rusting
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Here’s the images a cybertruck owner took two days after driving it in the rain. Small reddish-orange rust spots are developing
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This layer is is self-healing. A scratch that damages the oxide layer will eventually be covered with new oxide, preventing the rust from penetrating deeper into the steel. Hence the marketing claim is protection from “long term corrosion”
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@inerati
we need to return to ambiguous but slightly threatening defense contractor names like “Glenwood Kinetic Systems” or “Hawkstone Automation”
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every aspiring cs dropout thinks they can fix dating, mental health or recipe suggestions at some point. It’s obligatory
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The combination of the last two poses a major challenge to the oxide layers. Salt and dirt can get trapped in the valleys. Chlorine ions from the salt form metal chlorides that prevent oxygen from repairing the chromium oxide layer. Iron is slowly etched and redeposited as rust
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So in conclusion being a Cybertruck owner means worrying a lot about keeping it clean and dry or just embracing the rust spots. They’re not a structural concern for the stainless, but its going to be pretty hard to keep a Cybertruck as clean as in the marketing
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This isn’t likely to become a structural issue but up close it certainly doesn’t look like the marketing (Which notably only promises resistance to “long term corrosion”)
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However, once the steel surface gets dinged and dirty again from small rocks and dust you’re back to square one. You could clean your Cybertruck once a week or so but there’s a lot of surface to clean!
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i stg we’re gonna end up with HIPAA for tailors if he keeps doing this
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Perhaps there is a product that works well but more likely it will peel fairly easily under the abrasive environment of driving. Normal car paint is multilayered with both an electrically applied coat and primer that help basecoat and clearcoat stick really well
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BREAKING: Lex Friedman was interviewing Yevgeny Prigozhin aboard his jet when it was shot down in the Tver region of Russia
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anyone wanna grab a cardboard box and meet me outside the OpenAI office?
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Cleaning the surface will help by removing rust and salt as well as exposing fresh surface to reform the oxide layer. Citric acid and a scotch brite pad will do fine but this is a temporary solution. Also if you’re not careful the scratches from the pad will mar the surface
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You can provide some protection to the stainless using a process called passivation. This uses a dilute acid to etch away the iron on the surface leaving just chromium and nickel. Basically, it’s a boost to the oxide layer and will increase the time needed between cleanings
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@animalologist
the sexual tension of “i want to kiss all the time but public decency forbades it” is amazing
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But this only delays the inevitable! Anything more than a superficial scratch will penetrate the oxide layer, exposing iron and causing rust spots to form again!
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@allgarbled
car paint is shockingly highly engineered to withstand scratches, uv, corrosion, weather and look good while doing it
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*so horny i should be lobotomized
“I should become an ML engineer and move to NYC”
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@spooky_stokes
nah this is based. Someone with the agency to teach themselves physics is worth 100 people who sneer at them
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@reallifesenator
crop it in a little we have the perfect phone lock screen for when I'm bleeding out in the rain after avenging you
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it’s the perfect thing for when you’re going up to your apartment after a date
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BREAKING: Xi Jinping tries burrito at El Farolito in the mission
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Opinions vary on this. Stainless steel is generally regarded as difficult to paint because many paints don’t stick well to the protective chromium oxide layer
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colleges basically teach the same stuff everywhere but 95% of the value is the caliber of your peers and instructors. Go to the most prestigious school you can. The value of the network falls dramatically the lower you get
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Okay so if a stainless surface isn’t protected it will form rust spots. Could we put a clear coat on the steel to protect it without changing appearance?
Maybe!
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hey did you know the govt will send you $150k-2mil if you’re working on something cool and are willing to write a report about it? It’s called an SBIR or STTR
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amphetamines were meant to power armies across Central Europe without sleep, not help you remember your keys
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I hooked up chatgpt to a rotary phone with the whisper api and text to speech. Next step is getting the response time down!
Now i have the ultimate in retro-futuristic toys
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wait you guys really have to do leetcode in interviews? I thought that was a joke
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We can’t use the bottom two layers and keep the stainless look so more than likely a clearcoat directly on stainless will be much less durable than typical car paint. Remember, the outside of a car is an abrasive environment
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they didn’t learn from prigozhin’s mistake
Breaking: OpenAI board in discussions with Sam Altman to return as CEO
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Ultimately, clearcoats probably only buy you time just like cleaning and passivation. How much will depend a lot on the specific coating but I doubt it’s longer than a few months
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why do betting markets massively overrate the probability of unlikely outcomes?
Betting markets think Michelle Obama is 3rd most likely to be the next president (I disagree but ymmv)
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just had an amazing fumble
Complimented a girl on her jewelry, got her a drink, got her name
her gf was sitting next to her
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@MegaBasedChad
Actual scientist: "I've spent 23 years studying soil bacteria in western Oregon. I have no idea what they're like in eastern Oregon and I won't comment"
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@arctanno
It’s a suburban mass dedicated entirely to the art of making chips, there’s nothing else
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Jeff Bezos shows what the cuban grindset could do if communism didn’t hold them back
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the gf and I rolling up to the barbie/oppenheimer double feature
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honest to god if you’re in high school DO NOT compare yourself to other people on college admissions forums
did some research on reddit for my younger brother and now my whole homepage looks like this
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SFPD has figured out how to decrease crime stats like a neural net chasing its poorly defined reward function
call SF pd to report crime
be on hold for an hour
every 30 seconds they loop the same shitty message
10 seconds of it is the most eldritch horror machine god ear bleed static """for the hearing impaired""" sound ive ever heard
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we need to talk about how more men would get laid instantly if their rooms looked like this
we need to talk about how more men would get laid instantly if their rooms looked like this
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