What do alien civilizations look like from afar?

This is a pretty good description of the Kardashev Scale of civilization energy usage. https://www.youtube.com/watch?v=rhFK5_Nx9xY I initially thought the video overestimated how close we are to being a Type I civilization, but then I remembered that the whole scale is logarithmic, so maybe not. It also mentioned that we might "choose" to build a megastructure … Continue reading What do alien civilizations look like from afar?

The substitution argument

Diagram of Phenomenal and Functional consciousness

A preprint came up a few times in my feeds, titled: Falsification and consciousness.  The paper argues that all the major scientific theories of consciousness are either already falsified or unfalsifiable.  One neuroscientist, Ryota Kanai, calls it a mathematical proof of the hard problem.  Based on that description, it was hard to resist looking at … Continue reading The substitution argument

Invasion of the farmers

Wheat field

Related to some of our recent discussions, Scientific American has an interesting article on the spread of farming during the neolithic.  From the article: Roughly 9,000 years ago farmers from the Middle East headed toward Europe, seeking new land to cultivate. The farmers traveled either along the Mediterranean coast or the Danube River, encountering hunter-gatherers who lived … Continue reading Invasion of the farmers

The mechanical philosophy and mysterianism

Noam Chomsky published an essay on his web site a few years ago: Science, Mind, and Limits of Understanding.  Chomsky's thesis is that there are areas of reality that science is simply incapable of understanding.  He uses as his principle example, the case of Isaac Newton's understanding of gravity. Chomsky acknowledges that this is a … Continue reading The mechanical philosophy and mysterianism