jpmattia

26 ms·

271.
Is Venture Capital Worth the Risk?(newyorker.com)
1 points by jpmattia 7y ago|0 comments
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by jpmattia 7y ago
> But article mentions 13.8 Volts. I wonder why there is such a huge gap? I'm spitballing here, but I'd guess that the difference is due to a resistive drop across one or both of the contact layers. In the article, Fig 2 says
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by jpmattia 7y ago
> I feel like, working in tech, we know better than anyone else how incomplete or unreliable these systems can be, so why introduce it to your home? I think there is an S-curve argument in here somewhere. There was a time where puttin
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by jpmattia 7y ago
> Visigothercize is the hottest thing right now: "burn! and loot! and turn! and burn!". I live in Santa Monica (just a little south of Malibu) and given the number of exercise/barre/yoga/soul cycle/equino
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by jpmattia 7y ago
Folks might benefit from an explanation of the Casimir effect: Two metal plates separated by a vacuum form an electromagnetic cavity of width W. The cavity allows only wavelengths whose mode goes to zero at the edges of the cavity. Normal
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by jpmattia 7y ago
It's the latter, ie there's a more fundamental quantum effect going on. The Casimir effect is an effect between two conducting plates separated by only a vacuum. Strange as it may sound, there is a force generated between the two
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by jpmattia 7y ago
That is a great/hilarious post, even if the title is wrong. (The CIA did not yet exist in 1944; The manual is likely from the OSS, which was roughly the wartime predecessor of the CIA.)
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by jpmattia 7y ago
Imagine the implications once you consider there are people who are color blind (and you are all hereby on notice that I own the color CCCCCC.)
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by jpmattia 7y ago
Must not have been clear in my post: It was 6.001 in 1983, when I took the class with Sussman and Abelson. The book was still not published, and they gave it to us as xeroxed notes.
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by jpmattia 7y ago
> but I'm fairly certain the original course was taught to MIT undergrads as an intro to CS and EE This is correct: The course number was 6.001 and was a requirement in EECS in those days. I took it while SICP was still only notes
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by jpmattia 7y ago
> I find that slow walking is way more tiring than going fast. The physics is probably something like: A leg is a pendulum, so its length determines the natural frequency, which corresponds to a gait requiring least energy. Move away
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by jpmattia 7y ago
I would love to know the thinking behind this method. Off the top of my head: They are adding Cesium ("screw the environment, I have to escape my pursuer") to the engine in order to leave a plasmonic plume. The plasma, which occ
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by jpmattia 7y ago
I was kinda assuming that the president would be the simpleton to figure out that the phone was bugged and take care of the issue. But perhaps I overestimate simpletons.
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by jpmattia 7y ago
> It'd be malpractice by a major intelligence agency not to attempt this And the countermeasure is so simple that even the most simple of simpletons can understand it. "Hey, this room is bugged. Don't talk there if you
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by jpmattia 7y ago
> I wish a physicist could explain here how the very notion of "diameter" has any meaning for an object whose size (IIUC) belong entirely to the quantum realm. Usually these are describing expectation values of radial positio
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by jpmattia 7y ago
Probably worth noting: The author writes the article as though the latest experiment "solves" the issue. A more nuanced description (which is not exactly quantamagazine's forte) would note there is a conundrum about the prot
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by jpmattia 7y ago
> Taking money from a dirty source is one thing; hiding it from the university because they've blacklisted that person in particular is about as unforgivable a crime as you'll find in academia TBH, I've never heard of a
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by jpmattia 7y ago
> Now the question becomes: how do I hedge out of this risk without going full day-trader? Here's anecdata from the past: I spent a lot of time during the housing bubble working on a similar strategy. I came to the conclusion tha
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by jpmattia 7y ago
Most folks here are focusing on Burry's comments regarding price-discovery. However there is another huge point: Liquidity risk. To understand his point, you have to know the gory details of how an ETF operates. First: When you buy
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by jpmattia 7y ago
> One of the benefits of FRAM is that you can put it through extreme radiation and still have it work afterwards. There are no oxides in the supporting circuitry? [Do you have a link to rad-hard results?]
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by jpmattia 7y ago
I can only imagine the possibilities if the president's account were hacked.
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by jpmattia 7y ago
I’m not entirely sure what you are saying. Is it not cruel, or that the cruelty is OK?
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by jpmattia 7y ago
How cruel.
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by jpmattia 7y ago
If you didn't know better, it looked like someone hit the helmet with a hammer a couple of times. So yes, some amount of kinetic energy was dissipated in deformation of the plastic rather than my skull. I was more than a little gratef
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by jpmattia 7y ago
> most people think their life is worth more than $250 FYI, I just bought the Bontrager wavecell last weekend for $150 at REI. It was a no-brainer, so to speak. [I just had the worst crash of my life 2 weeks ago. I incurred nothing wo
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by jpmattia 7y ago
Once you include the data from Buffet's earlier career, total-market-cap to GDP makes more sense. For example: https://static.seekingalpha.com/uploads/2010/7/23/98115-1279... Edit: If it were up t
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by jpmattia 7y ago
> My hunch is that they’re trying to get their hands on TSMC 7nm with cheap terms. I can't imagine a less diplomatic strategy for negotiating cheap licensing terms. Good luck to them if that's the angle.
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by jpmattia 7y ago
> You sort of can't get arbitrarily close. Is there an obvious concrete example? I've never spent proper time studying Real Analysis, and I confess I have the same intuition as OP: That you could use rationals to approximate
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by jpmattia 7y ago
I don’t think it’s at all tricky to solve: Don’t believe ratings from people who are not investing their own money. E.g., VCs in later rounds make sure that VCs from earlier rounds put in pro rata, because investing actions speak louder tha
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by jpmattia 7y ago
> Trying to keep a random number secret likely is less stressful than an actual lie. Which begs the issue: If a lie detector is accurate only for answers that are stressful, then it sure looks like we need a detector to figure out if

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