In this Currents episode, Jim talks to astrophysicist Christopher Conselice about his recent paper that estimates the number of communicating intelligent civilizations in the galaxy. Topics include: the history of the 'life off earth' question, current methods of looking for extraterrestrial intelligence, how Chris builds on and modifies the Drake equation, supernovas & star formation, possible communication methods, estimating intelligent civilization lifespans, SETI and METI, dangers and benefits of contacting intelligence, technology signatures, astronomy's future, the Fermi paradox, and more.

Currents 008: Christopher Conselice: Finding Extraterrestrial Intelligence

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Jim talks with Gregg Henriques about his take on the free will versus determinism debate. They discuss the importance of definitions, the enlightenment gap, the complexity lens, why "will" is confusing & choice is a better referent, free choice vs determinism, levels of analysis, description vs explanation, freedom as description, the tree of knowledge system, ontological jumps in evolutionary complexification, a stack of emergences, systems of justification, the concept of agency, layered agency, animal decision-making, Mind2 consciousness, freedom as recursive self-awareness, the emergence of personhood, explicit self-consciousness with awareness of consequence, top-down causation, minimal elements of the debate, why Sapolsky's arguments may be dangerous, and much more.

EP 236 Gregg Henriques on Free Will vs Determinism

Jim talks with Robin Hanson about the ideas in his essay "Beware Cultural Drift: Thoughts on modernity's monoculture mistake." They discuss drift in fundamental cultural values, the current unprecedented rate of change, boutique multiculturalism, weak selection pressures, drift without selection, understanding small cultures, agency risk, comparing corporate cultures with macro-cultures, the decrease in macro-cultures, the convergence of global elite culture, worldwide norms vs cultural sphere norms, fertility habits & falling fertility, fertility decline as a symptom, 2 kinds of stories cultural elites tell, context-dependent vs learning-based drivers, the connection between deeper goals & subgoals, turning the ship vs getting on lifeboats, joining the opposition, differential reproduction & the fall of Rome, conservatism, totalitarianism, deep multiculturalism, coherent pluralism, getting to the stars, artificial minds, why Robin is pro-cult, pressure to collapse into red-blue tribalism, rates of innovation, and much more.

EP 235 Robin Hanson on Beware Cultural Drift

Jim talks with Richard Bartlett about the ideas in his essay "What we learned from a 3-month co-living experiment." They discuss Jim's visit to a co-living house, community & its recent decline, starting small & iterating, the co-living experiment in Andalusia, pre-registration, co-living plus events, finding the right place, the importance of landscape, the vibe, finances, membrane design, organizing transit, events, the emergent TPOT network, paying community organizers what they're worth, weaving weak links & strong links, social transitivity, curation, selection criteria, containment vs ejection, a pluralistic attitude toward respect, assuming good faith, focusing on what you want to see more of, systems for participation & coordination, the danger of oversystematizing, resentment minimization, just-in-time system design, increasing capacity for hosting, the arrival process, mastering hospitality, biasing toward small-group participation, unscheduled time, what's next, GameB finance, and much more.

EP 234 Richard Bartlett on an Experiment in Co-Living

Jim talks with Robert Conan Ryan about seven ethical perspectives and why everyone should know them. They discuss why understanding ethical stances is valuable, a horseshoe spectrum, pragmatism, virtue ethics, consequentialism, deontology, elitist power, deification, social justice, stacking up ethical stances, Aristotle's golden mean, sociopaths in the military, running the polis, coherent pluralism, the multi-perspectival lens, Cornel West's positional complexity, paideia, DEI (Diversity, Equity, & Inclusion), liberal universal humanism, pragmatism vs neo-pragmatism, the long run vs the short run, the transaction cost theory of ethics, inclusive entrepreneurship, the Main Street problem, and much more.

EP 233 Robert Conan Ryan on Seven Ethical Perspectives

Jim talks with Matthew David Segall about the ideas in his and Bruce Damer's new essay, "The Cosmological Context of the Origin of Life: Process Philosophy and the Hot Spring Hypothesis." They discuss the "philosophy as footnotes to Plato" idea, the hot springs origin of life hypothesis, closing the gap between chemistry & life, Whitehead's idea of concrescence, metaphysics in philosophy, minimum viable metaphysics, why physical law doesn't imply biological organisms, process-relational philosophy, deep-seated cosmic habits, the hero's answer, the type 1a supernova, rigorous speculation, the incalculability of the adjacent possible, the nature of matter, autocatalysis, the tension between the actual & possible, the rate of evolution, getting past the error catastrophe, Prigogine's ideas about dissipative systems, teleology & the second law of thermodynamics, why DNA is not a blueprint, the Fermi paradox, bringing the universe to life, social implications of the origin of life, panpsychism & panexperientialism, integrated information theory, why matter & energy must have an endogenous telos, prehension, life wanting to live better, necessity & openness, questioning falsifiability, and much more.

Currents 008: Christopher Conselice: Finding Extraterrestrial Intelligence

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