dorsal1967

 

Conspiracy Theories as Epistemic Systems

  "A conspiracy theory is an explanation of important events as the secret work of powerful, malicious groups acting behind the scenes."

  "Aorta sob vigilância"

Sidney Lumet’s 1976 film did not merely satirize television excess. It anticipated a social order in which news, politics, science communication, labor, and consumer identity would all be reorganized around attention. Analytical report for Blogger • Updated with sources available as of April 21, 2026

  "Beyond the Bell Curve: Why Your Performance System Is Probably Wrong"

    "A bullshit job is not one that is unpleasant, exploitative, or poorly paid. It is one that the worker themselves believes to be unnecessary."

  Is AI making us lazy or are we just using it wrong?

  A noite em que Portugal ficou sem rede.

  We are not the heroes of our own stories — but we could be.

Um diário de quem corre montanhas, lê livros e pensa sobre o mundo. O dorsal1967 é o arquivo pessoal de Luís Matos Ferreira — cientista de formação, engenheiro de profissão, corredor de montanha por paixão. Aqui encontras relatos de ultra-trails, ensaios sobre ciência e tecnologia, resenhas literárias, ficção distópica e muito mais.

O Grande Debate: Neoliberalismo em Perspetiva Vultos.

Why Going to the Moon Is Mostly a Problem of Falling Correctly The reentry.

Note: some dates in this diagram are not accurate. They are correct in the text.

How long does it take to run a marathon? The answer depends entirely on who you ask. The chart below uses a violin plot to show the full shape of the finishing time distribution — not just an average, but the entire spread from elite runners to first-timers.

"The future's uncertain and the end is always near" -  Jim Morrison This interactive timeline shows major global crises from 1945 to 2026, including wars, pandemics, economic shocks, and geopolitical events.

  Business | Chatting bots A social network for AI agents is full of introspection—and threats How worried should you be about Moltbook?

Num mundo a afogar-se em contradições, a dúvida tornou-se a única constante. Verena Solis, uma jornalista em busca da verdade, tropeça num sistema criado não para silenciar, mas para sufocar. Aqui, a certeza nunca é proibida — é enterrada sob ruído, perguntas e uma multiplicação interminável de versões.

In a world drowning in contradictions, doubt has become the only constant. Verena Solis, a journalist searching for truth, stumbles into a system designed not to silence, but to smother. Here, certainty is never banned — it is buried beneath noise, questions, and endless multiplication of versions. As protests collapse into paradox, as science is reframed into spectacle, she must decide whether truth can still survive when every fact is met with a thousand doubts. Atmospheric, unsettling, and urgently relevant,  The Ministry of Doubt  asks: what if ignorance wasn’t an accident, but the most powerful weapon of all?

  Agnotology: How Ignorance Gets Manufactured 📖 What Is Agnotology? We often think of ignorance as simply not knowing . But there’s a deeper, more troubling form of ignorance: the kind that’s deliberately created . That’s what agnotology studies.

  Versos Programados

  The Most Dangerous Force: Carlo M. Cipolla and the Laws of Human Stupidity In 1976, the Italian economic historian Carlo M. Cipolla published what may be one of the most disturbingly timeless essays of the 20th century: The Basic Laws of Human Stupidity . In just 60 pages, he set out to explain what he believed to be the greatest existential threat to humanity—not war, not disease, not greed, but something far more pervasive and insidious: stupidity .

  “He who is subjected to a field of visibility, and who knows it, assumes responsibility for the constraints of power; he makes them play spontaneously upon himself; he inscribes in himself the power relation in which he simultaneously plays both roles; he becomes the principle of his own subjection.” — Michel Foucault, Discipline and Punish

Foto: Unsplash “Não é a força, mas a perseverança que faz grandes obras.” — Samuel Johnson

"Crabs in a bucket" (or "crab mentality" ) is a metaphor used to describe a type of behavior characterized by envy, resentment, and destructive competition.

  Resolvi republicar aqui um post do blog do meu clube de corrida, o RUN 4 FUN, em que é feita a minha apresentação ao clube (em 2013, embora eu seja membro do clube desde 2009)

  Aqui está uma bibliografia abrangente sobre desportos de endurance, com foco no   Ultra Trail Running em montanha . Incluí livros recomendados e relevantes que abordam temas como fisiologia, psicologia, preparação mental e histórias inspiradoras de corredores de longa distância

Beginner Trail Running | Tips by Trail Runner Nation

UTMB Best of 2024

The   International Trail Running Association (ITRA) Performance Index   is a ranking system designed to evaluate and compare trail runners globally. It provides a standardized measure of an athlete's performance based on their results in official trail running events recognized by ITRA. This system helps runners, coaches, and race organizers assess an athlete's skill level and is also used for entry qualifications in prestigious races like the UTMB® (Ultra-Trail du Mont-Blanc).

In ultra-endurance disciplines such as ultra-trail running, most injuries (often referred to as “lesions” in sports medicine) stem from cumulative, repetitive stress rather than sudden traumatic events. Below are some of the most frequently observed problems:

Existe mais alguma coisa para além de família e amigos?

Foi descoberta uma nova espécie de pinguim

Book Review: Yuval Noah Harari’s Tetralogy

  "Apresentamos o dispositivo revolucionário: Book!" Chegou o futuro da tecnologia! Esqueça os cabos, esqueça as baterias, esqueça até mesmo a necessidade de Wi-Fi. Está na hora de conhecer o   Book , ou, como chamamos carinhosamente, o   " Bio-Optical Organized Knowledge device " . 

  By  Caroline Delbert Published: Dec 23, 2024 9:26 AM EST

  The short answer is   no , you cannot send usable (classical) information simply by measuring one half of an entangled pair—at least not in a way that circumvents normal communication channels. Although entangled particles have correlations in their measurement outcomes, these correlations alone cannot be used to transmit messages faster than light or in the absence of a classical signal. Below is a bit more detail on why:

Generative AI What Is Agentic AI, and How Will It Change Work? by  Mark Purdy December 12, 2024