Stefan Ruijsenaars

@stefan_arrr

Software engineer at a quantitative trading firm • I speak EN/FR/NL/ES/CAT • Build the future 🚀

London, England
stefanruijsenaars.com
Vrijeme pridruživanja: listopad 2010.
70 fotografija ili videozapisa Fotografije i videozapisi

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  1. proslijedio/la je Tweet
    prije 2 sata

    JHU has posted a time series of all confirmed cases globally. Hubei 1/21: 270 confirmed 2/3: 13522 confirmed - In 13 days, that's a 50X increase 😧 - 10+ areas now at Hubei 1/21 levels 😬 - And there are now confirmed cases in 26 nations 😱

    5 replies 12 proslijeđenih tweetova 46 korisnika označava da im se sviđa
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  2. proslijedio/la je Tweet
    prije 15 sati

    The FGC9 is a 3D printed firearm that uses zero 'gun parts' in its construction - making it a gun anyone, even in Europe, could acquire the parts to build. This is at least 15 years ahead of US gun regulation efforts - and undoes those already in place across the world.

    109 replies 1.025 proslijeđenih tweetova 3.551 korisnik označava da mu se sviđa
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  3. proslijedio/la je Tweet
    prije 14 sati

    Patronage isn't more common than in the 1980s, but it is more important to intellectual and economic productivity. Governments, top universities and companies overlook talent and opportunities they would have once seen. Decaying institutions leave low hanging fruit unplucked.

    Also it feels like patronage is a bigger thing these days. At a meeting recently we found by show of hands that a majority of the young clever people in attendance had got money from at least one eccentric billionaire, and eccentric billionaires favour the curious
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    1 reply 3 proslijeđena tweeta 27 korisnika označava da im se sviđa
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  4. proslijedio/la je Tweet
    prije 15 sati

    Do travel restrictions contain pandemics or not? Case study: the Black Death. Travel between the steppe hordes and Russian principalities was forbidden. Despite being neighbors, the Black Death didn’t jump between them for *5 years* - it had to pass through Europe first.

    16 proslijeđenih tweetova 72 korisnika označavaju da im se sviđa
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  5. proslijedio/la je Tweet
    prije 15 sati

    ‘Comfortably Smug’ Twitter Account Suspended After Asking ‘Where’s Hunter, Fat?’

    488 proslijeđenih tweetova 919 korisnika označava da im se sviđa
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  6. proslijedio/la je Tweet
    prije 16 sati

    This tracks a fascinating and encouraging phenomenon that has been developing over the last year: robust dialogue around racism between free market anarchists (lots of overlap with "libertarians" in US parlance) and their left anarchist counterparts.

    Raw Story's fleshes out a development several people have messaged/called me about in the last couple weeks. Militia groups are trying to cut off alt-right-adjacent figures and instead dialoguing with leftists.
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    1 reply 1 proslijeđeni tweet 6 korisnika označava da im se sviđa
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  7. proslijedio/la je Tweet
    prije 15 sati

    Why the coronavirus might boost Trump’s reelection prospects

    2 proslijeđena tweeta 7 korisnika označava da im se sviđa
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  8. prije 21 sat

    On 10x swimmers

    "The Mundanity of Excellence" is a deconstruction of "Excellence" and was published in 1989 by D. F. Chambliss. He studied of swimmers for several years and was able to find 3 main factors that differentia top from average swimmers. It's a great read:
    1 reply 1 korisnik označava da mu se sviđa
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  9. proslijedio/la je Tweet
    3. velj

    A friend asked me to defend technology in two tweets. Curious for critiques, or your own version. Here's mine: Society survives or dies based on its ability to sustainably grow the pie. Without a growing pie, there’s a winner for every loser, and we engage in zero sum conflict.

    49 replies 115 proslijeđenih tweetova 748 korisnika označava da im se sviđa
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  10. proslijedio/la je Tweet
    3. velj

    Here is a paper forecasting that it will peak in Wuhan on 20 April 2020 & other cities 1-2 wks later. So we're looking at Q2 not just Q1 if this were true.

    38 proslijeđenih tweetova 72 korisnika označavaju da im se sviđa
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  11. proslijedio/la je Tweet
    3. velj

    Digital quarantine is here. It appears that folks who fled Wuhan have been digitally quarantined, likely via WeChat. Their apps don’t work outside the quarantine zone. Now that’s happened to 240 Uber users in Mexico exposed to the infected. Complex issue! A thread…🧵

    26 replies 736 proslijeđenih tweetova 1.185 korisnika označava da im se sviđa
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  12. proslijedio/la je Tweet
    14. srp 2018.

    I recently binge-read more than half of blog posts by Aaron Swartz () and I think he was one of the few deep thinkers of our time. I'd definitely recommend checking out his posts, especially Theory of Change ().

    1 reply 7 proslijeđenih tweetova 36 korisnika označava da im se sviđa
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  13. proslijedio/la je Tweet
    2. velj

    "appearance is inextricably linked to self-esteem. For adolescents the relationship between appearance and global self-esteem is very high (r= 0.65). Physical appearance takes precedence in predicting global self-esteem, followed by peer social acceptance"

    1 reply 16 proslijeđenih tweetova 51 korisnik označava da mu se sviđa
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  14. proslijedio/la je Tweet
    2. velj

    "Recent work on human capital ... stresses that the quality and competence of workers in the top few percent of the distribution mattered more to technological advances than the capabilities of the average worker". What are the policy implications?

    1 reply 5 proslijeđenih tweetova 13 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    2. velj

    This video purports to be from one of the new hospitals China has built in Wuhan for coronavirus patients. If real, gives a sense of the severity. One way doors, food via a tray, probably negative pressure like a BSL-4. A maximum security prison for containment of this disease.

    2:01
    ⚠️，火神山内部视频，（不要我翻译，我完全听不懂！）
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    31 reply 138 proslijeđenih tweetova 416 korisnika označava da im se sviđa
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  16. proslijedio/la je Tweet
    2. velj

    Sequoia, one of Silicon Valley’s big beasts, is coming to London

    32 proslijeđena tweeta 94 korisnika označavaju da im se sviđa
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  17. proslijedio/la je Tweet
    2. velj

    Rolls-Royce plans to build up to 15 mini nuclear reactors in Britain Paul Stein, CTO for Rolls-Royce, said that the company is leading a consortium to produce factory-built modular nuclear reactors that can be delivered for assembly by ordinary lorries.

    4 proslijeđena tweeta 3 korisnika označavaju da im se sviđa
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  18. 2. velj

    the fashionable thing to do is to be awful

    Being nice in 2020 is such a revolutionary act.
    2 korisnika označavaju da im se sviđa
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  19. proslijedio/la je Tweet
    1. velj

    I feel like a lot of US citizens don’t quite get how hard it is to get an immigrant visa even if you are super qualified—many friends/family have struggled w the H1-B lottery or spent months applying for an O1 or got denied entry even though they have MIT degrees/great jobs/etc

    118 replies 534 proslijeđena tweeta 3.853 korisnika označavaju da im se sviđa
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  20. proslijedio/la je Tweet
    2. velj

    If you could build anything, what would you build?

    61 reply 6 proslijeđenih tweetova 56 korisnika označava da im se sviđa
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