Anonymous asked:
The first one.
Non-emergency psychiatrists don’t have a lot of good ideas for people who have no money and no friends except talking it over (which sometimes helps, but just a little) and giving them lists of social services.
Anonymous asked:
The first one.
Non-emergency psychiatrists don’t have a lot of good ideas for people who have no money and no friends except talking it over (which sometimes helps, but just a little) and giving them lists of social services.
Future anthropologist: “In the early 21st century, there was a superstition against writing your True Email explicitly. You had to write it obliquely, like ‘scott at symbol shireroth dot org’. They believed that if anyone wrote their email out explicitly, it would draw the attention of hostile spirits, and the person would never again know peace.”
Related to the “toxic masculinity” discourse from the other day:
Today I had to go to a committee meeting on doctor burnout. According to a survey, a lot of doctors in one of our departments felt overworked and burnt out, and the committee was supposed to come up with suggestions.
The committee was mostly administrators, mostly female, and although they didn’t use the exact phrase “toxic masculinity”, they talked about “macho culture” a lot. I think their theory was that male doctors had a macho culture where they felt like they didn’t need to take any time for self-care, and they shouldn’t speak up about excessive workload, and they had to look perfect or else they would lose their aura of invincibility. And that having to be this way all the time produced burnout.
So then I, as the doctor representative at the meeting, got up and said that I knew a lot of the doctors in this department, I’d talked to them a lot, and they all said the same thing. They would all love to take some time off for self-care, but there were too many patients and not enough doctors to deal with them, and if any one of them took extra time off, then one of their equally overworked colleagues would have to work even more hours covering for them.
The reason they “weren’t complaining” was that they had already complained to every administrator they could think of, and the administrators had said stuff like “you shouldn’t just complain, you have to be proactive in coming up with a solution” and refused to devote extra resources to the problem.
I said that doctors were really good at complaining about things, and really some of the best complainers-about-things you will ever meet, but that they weren’t going to keep banging their heads against the wall when nobody listened to them and there was no good solution.
The administrators thanked me for my input and went back to talking about macho culture.
TIL: JRR Tolkien’s great granddaughter, Ruth Tolkien, is the only blind person in the UK to be a competitive fencer. She is currently ranked the #186th best fencer in the country.
I wish I could just start appointments by asking “So, do you prefer mildly condescending platitudes, or medications with a bunch of side effects?”, and then people could just tell me, and I wouldn’t have to guess, and they couldn’t get angry if I gave them the one they wanted.
Public service announcement: if you have a kid with some kind of horrifying predatory criminal, and now your kid is a horrifying predatory criminal, and you have no idea how this happened because the father left before he was even born and your new husband is a great guy and you’ve both always done your best to raise your kid well and give him a good home, your kid’s psychiatrist will listen empathetically to your story, and then empathetically give you a copy of The Nurture Assumption.
…maybe not actually. But it will definitely be on his mind. And maybe it would get people to stop having so many kids with horrifying predatory criminals. Seriously, I’m doing inpatient child psychiatry now and I get multiple cases like this every day.
Reenactor throws a spear at a drone
What a time to be alive.
“The medieval warrior, realizing the consequences of his impulsive act, immediately approached the owner of the drone and offered to pay for the damage.
The owner of the drone was so impressed by the brilliant attack that he suggested organizing a competition for bringing down “dragons” with short spears next year.
Drone owners have another year to develop a unique “dragon-like” design for their flying machines.” (x)
I am 100% cooler with this knowing that the spear-thrower realized “oops maybe I shouldn’t have done that” and tried to make it right, and that the guy who the drone belonged to was cool with it
just so everyone knows, this has already been memorialized in a runestone
K and I learned how to shoot guns today. It was interesting. And by interesting, I mean “loud”.
There was some helpful safety training beforehand. But it missed the most important part, which is that the gun will eject the spent bullet casing in a random direction. Somehow I managed to live in a “gun culture” and watch a bunch of action movies without realizing this was a thing. When you’re firing a gun for the first time and really nervous, and a bullet-shaped thing shoots out of the back of the gun and hits spectators in the face, this is NOT a minor point that you can forget to warn people about, even if it turns out to be nothing and everybody laughs that you were so worried about it.
Otherwise everything went okay. I think if I ever have to write a story involving guns, I can use words like “magazine” without sounding ridiculous to people who know what they’re talking about. I think the friend who brought me was expecting that this was going to be some sort of revelatory experience where I realized that Guns Are Your Friends and so gun control was a vile lie, but I feel like if guns were *really* my friends then the person who held one at a slightly different angle than everyone else would not have had a big security guy run up to him and freak out and yell at him until he changed the angle back.
Also, Ada Palmer (author of Too Like The Lightning) was at the shooting range and I got to get a picture with her!
It’s a good thing some bands sell out, because I can’t make out without a
girlfriend, and whenever I have responsibilities, I want out.
More Wikipedia:
Pope Benedict IX, born Theophylactus of Tusculum in Rome, was Pope on three occasions between October 1032 and July 1048.
Aged approximately 20 at his first election, he is one of the youngest popes in history. He is the only man to have been Pope on more than one occasion and the only man ever to have sold the papacy.
K: Wait, I thought Charlemagne was the Pope.
Me: Huh, no, Charlemagne was the Holy Roman Emperor. The Pope was the Pope.
K: Yeah, but I heard they were in cahoots, which I figured doesn’t really happen in this world unless you’re the same person.
K: I’m fine with you mocking my understanding of history…
Me: I’m not mocking your understanding of history, I’m mocking your understanding of cahoots!
K: I understand you can be in cahoots now, it’s just historical cahoots.
Concept: a world in which, by some quirk of the brain, the inhabitants can tell if a number is prime or not (and if so, what its factors are) as easily as they can tell if it’s even or odd. No strong cryptography exists; the best you can do is basically a sophisticated equivalent of rot-13 to indicate something should, in principle, be treated as private.
Instead, steganography is king. Militaries strenuously work to hide the existence of their satellite programs; top secret transmissions are crafted to be indistinguishable from the cosmic radiation background. Rather than providing a password to log into your online banking, you have to visit an obscure blog on 16th century weaving techniques, and click on that pixel there.
This approach to secrecy pervades every aspect of society. The President goes to a public library in rural Virginia twice a week, where he retrieves top-secret memos hidden between the pages of a 1956 issue of Time magazine. Covert operations must be made so improbable that if their existence is leaked, they are indistinguishable from wild and pointless conspiracy theories. The CIA has one operation to infiltrate the Iranian nuclear program, and three hundred almost-identical ones to rearrange the flower beds of the Bulgarian embassy in Tehran. No one remembers which one is the real one; there’s a little flower shop down the street that’s sold five hundred euro’s worth of petunias every week for the last fifteen years to out-of-towners in dark sunglasses.
This is funny and I like this, but reminder that there is strong encryption that doesn’t depend on prime numbers. We’ve been using ECC for a while, and starting to implement lattice-based stuff that doesn’t even have flavor in common with prime-number questions.
Fair enough! I know less than nothing about math more complicated than trigonometry.
Not embarassing at all; a bunch of this is in my field and I’m teaching a seminar in the fall.
Cryptography falls into basically three categories right now.
(1) Weak “little-sister” type encryption. Everything from ROT-13 up through WWII Enigma-style encryption is basically trivial to crack if you have a decent computer and know what to do with it. It will stop your little sister from reading your mail, but it will not stop Big Brother.
(2) Discrete Logarithm-based encryption. This is encryption based on the fact that given a, x, and p, it’s really easy to compute a^x mod p; but given a, p, and a^x mod p, it’s really hard to compute x. (The second computation is known as finding a “discrete logarithm” because it’s inverting discrete exponentials).
This is the category that prime-number based encryption like RSA and Diffie-Hellman falls into. It’s also the category that elliptic-curve cryptography falls into; the details are slightly different, but elliptic curve is still based on the fact that it’s way easier to compute an exponential in a finite abelian group than it is to compute a logarithm.
Currently these algorithms are fairly secure, if your security parameter is large enough. We don’t have efficient ways to compute the discrete logarithm on a classical computer, although no one has proved that it can’t be done. But Shor’s Algorithm would let us compute the discrete logarithm on a quantum computer in polynomial time, so once quantum computers are practical all this cryptography will stop being really effective.
(3) Lattice-based encryption. This is just starting to be rolled out; Google launched an experimental implementation last year. It’s much harder to explain or describe, but is related to the difficulty of finding the shortest vector in a lattice (which you can think of as some structured subset of the integer-valued points in n-dimensional space).
Importantly, the Shortest Vector Problem is NP-hard. This means that if P is not equal to NP, then this encryption is not effectively breakable under any circumstances. Conversely, if this type of encryption is breakable, then encryption in general is not possible in principle—and a whole bunch of other things suddenly become much easier.
In particular, we don’t expect lattice-based cryptography to be vulnerable to a quantum computer.