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Tempo e vínculo
O que faz uma relação atravessar os dias? Uma reflexão sobre presença, espera, memória e a responsabilidade de incluir o outro no próprio futuro.
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Does the Brain Fail Before It Is Destroyed? Energy Margins, Reversible Function, and the CMC Hypothesis
Neural function can become unreliable before cells disappear—but that observation does not prove a universal sequence. This essay separates physiological evidence from the testable CMC III safety-margin hypothesis and asks what could falsify it.
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No zombie Can Ask
A question that can only be asked by something for which the answer is already settled is a strange kind of question. The hard problem of consciousness is one of these, and noticing it changes what the problem is evidence for. Chalmers asked why there is experience at all. Everything
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The Hidden Grammar of Pathology: The Cost of Order
what do all of these structures have in common at their most basic physical level?
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Cellular thermodynamics is the first-order force
Cellular thermodynamics is the first-order force Because no theory of cognition — quantum or computational — survives without first settling the bill in ATP. There's a growing debate in biology about how far "cognition" really extends. Bacteria that "decide" which way to swim. Slime molds
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The Bill for Time
Essay · Time & Thermodynamics The Bill for Time Einstein described the geometry of time. He wrote before the invoice existed. Sidário Rodrigues Malheiros Júnior In 1950, consoling a grieving father, Albert Einstein wrote that a human being is a part of the whole we call the universe — a part limited
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The Operator of the Record
Essay · Philosophy of Mind The Operator of the Record Cost, time, and the one thing that cannot last Sidário Rodrigues Malheiros Júnior What can persist of a person? The question is usually answered by listing survivors — genes, children, works, names, the memory held by those who loved us. But these
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Time is the Only Place to Exist
A physiological case against the most familiar assumption in philosophy Sidário R. Malheiros Jr., MD You believe you are reading this now. Not a moment ago —now, in the living present, as the words arrive. It is the most natural conviction a person can have, and almost everything in ordinary
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O Tempo Vivido é um privilégio Termodinâmico
Newsletter · June 2026 Lived Time Is a Thermodynamic Privilege Why consciousness never accesses the present — and why that changes everything The sun on your hand right now is the sun of eight minutes ago. The star you see in the sky may no longer exist. The universe that telescopes describe
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The Life is a Termodynamic Privilege
Essay · May 2026 Lived Time Is a Thermodynamic Privilege Consciousness, low entropy, and the ontological cost of perceiving the present SIDÁRIO R. M. JÚNIOR read There is a disturbance that physics registers and cannot inhabit. It says: no signal propagates faster than light. The sun warming your hand right now
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O Terceiro Hemisfério
O recurso mais escasso não é inteligência. É tempo. A IA devolveu um pouco desse tempo para quem tem algo a dizer.
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The Hand That Cannot Tell the Time
The hand measures time and does not know the hour, because it is inside the measuring device. To know, one must step out — and perhaps that is the only place from which a universe inside a bottle can, at last, be seen.