Blog Archives

First Peoples documentary series to air on PBS starting Wednesday

I’ve posted before on prehistorical societies, and the fact that, for virtually all of human history, including the history of our particular sub-species: Homo sapiens, we lived in nomadic hunter gatherer tribes.  The evidence points to anatomically modern humans first … Continue reading

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Jim Holt: Why does the universe exist?

I did a post a few weeks ago explaining why I’m not much of a fan of the “Why is there something rather than nothing?” question.  So, when this TED talk popped up later, I resisted watching it, thinking it would … Continue reading

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Ants, the brain, cancer, and the internet

Deborah Gordon gave an interesting TED talk on ants.  Regular readers have seen posts from me before on ants.  An ant colony seems to operate as a type of superorganism.  I used to wonder if colonies were conscious.  (Although I now … Continue reading

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Nick Lucid on entropy

Entropy is something I have to re-read about from time to time.  It tends not to stick in my head for some reason.  Nick, in the way only he can, suggests a possible way of thinking about it. I’m still … Continue reading

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50 Science Misconceptions

I have to admit that a few of these were news to me, such as that hens can lay eggs without roosters, or that pterodactyls were not dinosaurs. via Machines Like Us.

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They’re Made out of Meat

amanimal clued me in to this sci-fi short story by Terry Bisson, ‘They’re Made out of Meat‘, which originally appeared in Omni magazine in 1990, and which is brilliant! A number of video treatments have also been made of it.

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Brian Greene on free will

Ignostic Atheist called my attention to this video of Brian Greene contemplating free will.  Greene’s take: useful to buy into but illusory.  I know many readers will disagree about the ‘useful’ bit, while I prefer ’emergent’ instead of ‘illusory’, but … Continue reading

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Where is the Earth located?

I enjoyed this video, but I wonder about Fraser’s statement that cosmologists think if you travel in one direction long enough you’ll eventually end up back where you are.  That is one model, but not the only one.  It depends … Continue reading

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Quantum Entanglement Explained

A nice video.  I’ve read about quantum decoherence and entanglement several times, but seeing it animated helped.  At least for me. Confused by how particles can be in two places at once? Wondering how particles can instantly communicate with each … Continue reading

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Skylon Spaceplane

On the post I made about the Dream Chaser spacecraft, Steve Morris called my attention to the Skylon Spaceplane.  It takes off as a plane, but has an jet engine that can switch into rocket mode, allowing it to rocket … Continue reading

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