Mathematical Foundations for Computer Science… alebo toľko kníh som v aute ešte nemala

Prvá bola Computational Blood Cell Mechanics.

Aj práca na tejto druhej knihe trvala zhruba dva roky (a to nepočítam učenie predmetu, ku ktorému bola napísaná). A tento týždeň som pre ňu bola vo vydavateľstve. Okrem mojich pár výtlačkov som viezla aj skoro všetky ostatné. Dúfam, že sa z nich čo najviac dostane medzi študentov a študentky. 

Kikina úloha z matematiky

Múzeum matematiky

V New Yorku sme kedysi pochodili všeličo, ale v Múzeu matematiky sme predtým neboli. Takže po rannom behu a brunchi (bagle s lososovou nátierkou) sme si to namierili práve tam. 

Jedna vec je jasná: treba tam zobrať deti. Bola to zábava aj pre nás, ale s nimi by sme si to užili ešte viac. Bicykle so štvorcovými kolesami, autíčka na ovládanie, ktoré chodia po Möbiovom páse, Galtonova doska, ktorej sa dá meniť pravdepodobnosť, kreslenie symetrií, výstava origamov a kopu iných zaujímavostí. Paráda. 

Sezamový tábor a Topoľčiansky hrad

Sezam je seminár zaujímavej matematiky. Kika a Kubko sú ešte malí na to, aby ho mohli riešiť, takže na tábore neboli ako ostatní účastníci. Ale kamošov si tam našli, príklady počítali (náboj bol aj koláčikový), športovali (Kubovi sa celkom zapáčilo frisbee), tvorili (Kika bola veľmi pyšná na loď, ktorú sme boli aj testovať na vode, bonusové body za to, že to bolo s čelovkami potme), bolo im veľmi fajn. Už sa tešia, kedy budú môcť prísť bezo mňa.

Táborili sme pri Duchonke. Návrat do rokov sedemdesiatych… aj to samotné zariadenie, kde sme bývali, kemp pri priehrade s vodnými bicyklami, hojdačky… ale deti som do vody pustila len po kolená, veľmi sa mi nepáčila.

Na výlet sme išli na Topoľčiansky hrad. Pekný, zrekonštruovaný, zo správneho uhla pripomína rímske koloseum. Niekedy by sme tam mali zavítať na divadelné predstavenie. 

Najzaujímavejší zástupcovia fauny a flóry, ktorých sme stretli, boli veverička a jedlý gaštan. Gaštanom sme si neboli úplne istí, tak sme ho odfotili a dodatočne sa pýtali kamaráta googla, že či fakt. 

Po desiatich dňoch vedúcovania tridsiatim akčným deckám sme prišli domov uťahaní ako koníky.

PA: Prípravné stretnutia k matematickej a informatickej olympiáde

Ak poznáte nejakých stredoškolákov a stredoškoláčky, ktorých by to mohlo zaujímať, dajte im, prosím, vedieť, že sa na nich tešíme už tento pondelok (a potom ešte dvakrát). Cha! Tentokrát sa mi podarilo vyvesiť pozvánku ešte pred akciou. 

Gent (ACOMEN2017)

V Belgicku je vraj často mizerné počasie. Ale ak si odmyslím dážď v noci, keď sme prišli, tak som mala práve pekný týždeň v Gente. Je to už druhýkrát, čo som takto zažila netypické počasie počas konferencie. To prvé bolo v Edinburgu. A vôbec sa nesťažujem, dúfam, že moje konferenčné potulky budú v tomto duchu pokračovať.

Konferenciu sme mali v tejto parádnej budove:

Vnútri som akosi zabudla fotiť, takže len obrázok z knižnice:

Konferencia bola fajn, ale naša téma bola na len okraji záujmu. Po veľa rokoch to bolo zase raz, čo som počúvala prednášky o konečných prvkoch, variačných metódach… a nechytala som sa. Na jednu stranu smutné, ale na druhú mi to ani nebolo ľúto. Premárnený čas to určite nebol, zoznámila som sa so zaujímavými ľuďmi, porozprávala o zaujímavých témach. 

Po prednáškach sme sa, ako inak, túlali po Gente. 

Našli sme aj námestie, kde sa kedysi popravovalo. A dnes sú tam lampy napojené na gentské pôrodnice, ktoré sa zasvietia, vždy, keď sa v niektorej z nich narodí bábätko. 

Čo sa týka pitia, tak Belgicko nie je krajina pre mňa. Pivo, všade pivo. A akosi sa mi nezdalo vhodné v pube, kde majú 500 druhov piva (v nápojovom lístku zoradené podľa abecedy), kde sedím s deviatimi chlapmi, ktorí pijú pivo, si dať víno. Ale keď sme boli v pube, kde zase mali samú jenever (niečo ako borovička/gin), tak to som vyskúšala niekoľko druhov. Najlepšia bola citrónová, ale mali aj takú s príchuťou vaječný koňak, ktorú bolo treba z pohárika dolovať lyžičkou a aj príchuť čili papričiek, ktorá bola taká ostrá, že (dobrovoľná) obeť mala, čo robiť. 

Miestne jedlo? Hovädzí guláš s hranolkami, mušle, všade majonéza (niekto by im mal dať ochutnať jogurtové alebo smotanové dresingy), wafle/gofri (mňam) a čokoláda.

 Posledný večer sme ešte vyskúšali miestnu escape room (art robbery). A dostali sme sa von!

O dva týždne Paríž.

Víkendové surfovanie

aby ste videli túto stránku, musíte byť offline

The truth behind Facebook AI inventing a new language (píše môj bratranec)

Nothing scary, shocking or even note-worthy happened. Just a regular day with a regular scientific experiment. And then all hell broke loose as wanna-be journalists posted one doomsday article after another. Shutting down a chat bot when it stops showing a reasonable outcome is about as ominous as changing a faulty light bulb.

video recepty v štýle slávnych režisérov

Don’t trust what the fake news media says about Cersei Lannister (aj na u nás sa píše na tieto témy), a ešte v tejto súvislosti: Hey, Black America, Let’s All Ditch Our Slave Names

A century-and-a-half after the end of slavery and I’m still identifying with the name of the slave-owner who once owned my family. That’s my house. Their house. That sucks. That’s a bone deep pain, one hidden and held in the letters of my last name.

beauty of low margins

s deťmi sme pozerali zatmenie (mňa ešte viac zaujalo Path of curiosity

ešte na podobnú tému Voyager’s 40th Anniversary (dobré obrázky)

we react differently to our sons and daughters 

The participants included 52 fathers of toddlers (30 girls and 22 boys) in the Atlanta area who agreed to clip a small personal digital assistant equipped with the EAR software onto their belts and wear it for one weekday and one weekend day. The fathers were also told to leave the device charging in their child’s room at night so any nighttime interactions with their children could be recorded. The device randomly turned on for 50 seconds every nine minutes to record any ambient sound during the 48-hour period.

rozhovor s Pavlom Čekanom (ach, tie slovenské súťaže o eurofondy … určite ste už čítali, ale keby náhodou nie, tak tu)

Tech’s damaging myth of the loner genius nerd (h/t Ondrovi za linku)

kresky 

Measuring accuracy of latitude and longitude (nemala som byť prekvapená, ale trochu som bola)

badass trees a ešte malé stromy (moja veľká slabosť… jeden som mala, ale neprežil, kým som bola na konferencii, tak teraz ich len takto platonicky obzerám a hovorím si, že snáď ma raz prejde túžba nejaký mať… nepomáha, že máme bonsajové štúdio len pár metrov od domu)

19 Women Leading Math and Physics

Women’s fashion in every year from 1784-1970

WHO creates controversial ‘reserve’ list of antibiotics for superbug threats

Víkendové surfovanie

Včera vo veku 40 rokov na rakovinu zomrela Maryam Mirzakhani, matematička iránskeho pôvodu, jediná žena, ktorá dostala Fieldsovu medailu (keď sa dávali naposledy, v roku 2014). Mala českého manžela a malú dcéru.

To her dismay, Mirzakhani did poorly in her mathematics class that year. Her math teacher didn’t think she was particularly talented, which undermined her confidence. At that age, “it’s so important what others see in you,” Mirzakhani said. “I lost my interest in math.” The following year, Mirzakhani had a more encouraging teacher, however, and her performance improved enormously. “Starting from the second year, she was a star,” Beheshti said.

A Path Less Taken to the Peak of the Math World

When you teach, you do something useful. When you do research, most days you don’t.

That Huh would achieve this status after starting mathematics so late is almost as improbable as if he had picked up a tennis racket at 18 and won Wimbledon at 20. It’s the kind of out-of-nowhere journey that simply doesn’t happen in mathematics today, where it usually takes years of specialized training even to be in a position to make new discoveries. Yet it would be a mistake to see Huh’s breakthroughs as having come in spite of his unorthodox beginning. In many ways they’re a product of his unique history — a direct result of his chance encounter, in his last year of college, with a legendary mathematician who somehow recognized a gift in Huh that Huh had never perceived himself.

Teaching to fail – vďaka Ondrovi za linku

The most common errors in undergraduate mathematics – aj táto je dobrá a tiež Ondrova

You Don’t Need Blue Apron to Teach You to Turn On Your Oven

Whenever I write a recipe for a magazine or newspaper my editors demand more measurements and cooking times. This phony precision undermines the heart, and joy, of cooking. Chefs sample their dishes multiple times as they cook because cooking happens by taste and by eye, not by time and temperature. Baking is the fussy one where you need measurements, while cooking is for slobs like me.

Does that look like enough pasta? Does this taste as salty as you like? That sauce looks thin — let’s throw in some more tomatoes. People become dependent on cooking times and temperatures because they don’t understand how cooking works, they know only how to follow a recipe.

Datascapes – atlas for the end of the world; somewhat related: Summary of Solutions by Overall Rank

The tragedy of men

The biggest problem with masculinity, Perry proffers, is that it’s based on a model that’s several thousands of years old, when survival depended on physical strength and male power. Or, as he puts it, “masculinity is to chase things and fight things and to fuck. Everything else is a bit of a mismatch.” This framework for men has remained remarkably persistent even as society has evolved past it, with modern jobs and relationships requiring a very different set of skills. Feminism, Perry observes, is forward-thinking, wondering how women can change themselves and their lives for the better. But masculinity is regressive, always “harking back to some mythical golden age (for men), when men were ‘men.’” The easiest thing in the world to sell to men who feel disenfranchised from modern life, he says, is nostalgia—a promise that the world can change to fit them rather than the other way around. That men can be great again.

s kým trávime čas – trochu smutné grafy; zaujímavé by bolo pozrieť, či/ako sa slovenské podobajú na tie americké

meet Ruby and her friends

Snow leopard

About me: I’m the most beautiful, polite and well-mannered Snow leopard I know. I often have fights with the robots. (Which is kind of pointless, since we are similar in the end.) 
Birthday: June 8th
Interests: Solitude, Zen, and pirates
Pet peeve: People think I’m tough, but I’m really cuddly. 
Favorite expression: Think different
Secret superpower: Boundless beauty

Mladá osobnosť vedy Tomáš Bertók: Ľuďom chýba súdnosť a kritické myslenie

what bullets do to bodies

Early in my medical training, I learned that it is not the bullet that kills you, but the path the bullet takes. A non-expanding (or full-metal-jacket) bullet often enters the body in a straight line. Like a knife, it damages the organs and tissues directly in its path, and then it either exits the body or, if it is traveling at a slower velocity, is stopped by bone, tissue or skin.

This is in contrast to expanding bullets, especially if shot from an assault rifle, which can discharge bullets much faster than a handgun. Once they enter the body, they fragment and explode, pulverizing bones, tearing blood vessels and liquefying organs…

Two years ago, a group of doctors wrote in the Annals of Internal Medicine: “It does not matter whether we believe that guns kill people or that people kill people with guns — the result is the same: a public health crisis.” In the war zone of the E.R., we don’t see partisanship or politics. We see the devastation that happens when our society normalizes tools of total bodily destruction.

este raz (dlhšie a ťažké čítanie)… a tu je to celé v dvoch vetách

She started talking about the 2012 murder of 20 schoolchildren and six adults at Sandy Hook Elementary School. Goldberg said that if people had been shown the autopsy photos of the kids, the gun debate would have been transformed. “The fact that not a single one of those kids was able to be transported to a hospital, tells me that they were not just dead, but really really really really dead.

akčné fotky a fotky spod mikroskopu

Sezamko v Rajeckej Lesnej

V zime bol Sezamko u nás na fakulte, teraz sme sa vybrali na víkendovku do Rajeckej Lesnej. Až na prehánkové počasie to bola paráda. Počítali sme príklady:

Rozmýšľali na prednáškach:

Športovali:

Túlali sa po lese:

Mokli v daždi:

Súťažili:

Užívali si slniečko:

Bývali v chatkách:

Stretli rozprávkové bytosti (hádajte, kto som):

A bolo nám veľmi fajn:

Takže ak poznáte terajšie štvrtáčky, štvrtákov, piatakov a piatačky, tak im v septembri odporučte Sezamka, radi sa s nimi na podobnej akcii stretneme budúci rok. 

PS Krásne fotky nám opäť nafotil Martin Dubovský

Víkendové surfovanie

our mothers as we never saw them

The old photos of her are even more compelling than the stories because they’re a historical record, carrying the weight of fact, even if the truth there is slippery: the trick of an image, and so much left outside the frame. These photos serve as a visual accompaniment to the myths. Because any story about your mother is part myth, isn’t it?

Stephen Wolfram: A New Kind of Science (celá kniha, free)

Paul Lockhart: A Mathematician’s Lament 

In fact, if I had to design a mechanism for the express purpose of destroying a child’s natural curiosity and love of pattern-making, I couldn’t possibly do as good a job as is currently being done [by] contemporary mathematics education.

Neuralink (a venture to merge human brain with AI) and The Boring Company – Elon má nejako veľa voľného času…

Seeing theory – výborné, budem ukazovať budúci školský rok prvákom a prváčkam

British food, explained (sorta)

Unless it’s a pie that is a pudding, like a mince pie, which doesn’t involve mince, which is meat that’s been minced, but does involve mincemeat, which doesn’t involve meat. You could put what you think of as pudding on this type of pie, which is a pudding.

slovenské nemocnice nie sú Baby-Friendly (už ani formálne)

Study: Accomplished female scientists often overlooked

One, the composition of the organizing committee matters. I looked at all the neuroimmunology conferences held in 2016 worldwide, and I found that as you approach 50 percent women on the organizing committee, you approach 50 percent female invited speakers. So if you want gender parity in speakers, first you need to include more women in organizing and planning committees. Two, speaking out about gender balance makes a difference.

lyrebird – vytvoria imitáciu vášho hlasu z jednominútovej nahrávky

jahňatá narodené s použitím umelých materníc – fascinujúce, strašidelné, úžasné

kto sponzoruje (slovenské) konferencie pediatrov? Kto by mal? A kto by nemal?

Dievčatá sa o vedu a technológie začínajú zaujímať neskôr, ich záujem prudko klesá

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