Popular Science


Collection of my brief articles on popular science. Most have also been published in Spanish.
Full list at: https://manuelalfonseca.acta.es/docs/papersd.htm.

Manuel Alfonseca

Thursday, October 1, 2026

The Origin of the Universe and the Immortality of the Soul

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Aristotle The philosophical and scientific works of Aristotle were lost to Western Europe for centuries and were rediscovered through Ar...
Thursday, September 24, 2026

Time and Motion

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Pierre Duhem Time and motion are intimately related, because there can be no motion without time. In fact, Aristotle understood it the oth...
Thursday, September 17, 2026

AI failures and successes

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In previous posts, I've mentioned several cases where  AI tools (such as LLMs)  failed to answer my questions. To balance things out, t...
Thursday, September 10, 2026

Hypothetical science and dark matter

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Bullet Cluster, hot gas in pink, dark matter in blue In several previous posts in this blog, I have pointed out that physicists and cosmolog...
Thursday, September 3, 2026

The dark side of AI

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Those companies that market Large Language Models (LLMs), such as OpenAI (ChatGPT and GPT-4), Google (GEMINI), Meta (Llama), Anthropic (Cl...
Thursday, July 9, 2026

Persons cited in Populscience

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Poisson distribution of person names I enjoy compiling statistics on many things. Naturally, I also do it for this blog. One of the statist...
Thursday, July 2, 2026

Human Dignity: Religion, Politics, or Natural Morality?

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The sentence against Socrates In connection with his visit to Spain, and in particular his address to the Parliament, Pope Leo XIV has b...
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Manuel Alfonseca
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