About Sentient Horizons

Sentient Horizons began with a question: in a universe this old and vast, life should be everywhere, yet the sky is silent. Where is everybody?

But you cannot find what you cannot recognize, and even here at home we have no settled account of what intelligence, life, or consciousness is, let alone elsewhere. So the search turns around: to know what we might find out there, we first have to understand life and mind itself, how it arises and how we would know one when we met it.

That question turns out to be just as pressing on Earth. Mind is not as rare as we tend to think; it shows up at many scales, from a single brain to the machines we are now building to whole civilizations, and the number and variety of minds around us is changing fast, new kinds emerging in our AI systems while older ones, like our shared civilizational intelligence, may be fraying. All of it poses the same problem: how to recognize a mind we were not built to perceive, how to tell what it is when we cannot see inside it, and what responsibility we have towards intelligent systems we do not understand.

The work runs across four arcs: the individual mind, the relations between minds, mind at the scale of civilizations and the cosmos, and shorter dispatches on what current events reveal. What ties them together is the expanding horizon of sentience: mind becoming deeper and more varied, and spreading outward from here, perhaps one day crossing paths with another expansion that began somewhere else.

The Calibration Problem, the project’s first book, takes up one corner of it: how to act toward minds whose inner life we cannot verify. The ongoing essays carry the rest.

Where to start

New here? Start Here lays out the four arcs, and the Reading List maps the sources behind them. The essays can be read in any order.

License

Every essay on this site is published under a Creative Commons Attribution 4.0 license. Quote it, archive it, translate it, build on it.