1500 BCE → 2050 CE
Three thousand years of opening layers.
Each event below is an opening of one of the eight layers, by some hand, in some civilization. Hover a node to highlight it; click to enter the layer it belongs to.
BCE
- 1500 BCEL8 · ExistenceThe Vedas crystallize Indian cosmologyAn early sustained inquiry into what exists and why.
- 600 BCEL6 · ConsciousnessLaozi and Zhuangzi · Daoist mindChinese tradition formulates negative metaphysics two millennia before Wheeler.
- 550 BCEL6 · ConsciousnessThe Buddha · the analysis of experienceFirst systematic phenomenology of consciousness.
- 500 BCEL3 · MathematicsPythagoras · number as substanceThe first claim that mathematics is more fundamental than matter.
- 350 BCEL2 · ScienceAristotle's Lyceum · classificationReality treated as a structure that admits exhaustive categorization.
- 300 BCEL3 · MathematicsEuclid's Elements · the axiomatic methodTwo millennia of mathematics organized around one book.
- 250 BCEL3 · MathematicsArchimedes · the method of exhaustionFirst operational use of an integral 1,900 years before Newton.
0–1000 CE
1000–1700
- 1054L7 · Laws of RealityThe supernova in TaurusRecorded by Song astronomers; the empirical attitude that becomes science.
- 1300L2 · ScienceEuropean universities institutionalize learningThe institution that hosts the scientific revolution two centuries later.
- 1543L2 · ScienceCopernicus · De revolutionibusThe Earth ceases to be the cosmic center.
- 1632L2 · ScienceGalileo · the DialogueMathematized experiment opens the science layer.
- 1687L2 · ScienceNewton's PrincipiaUniversal gravitation; the second opening.
- 1697L8 · ExistenceLeibniz · why is there something?The question that the entire eighth layer is built around.
1700–1900
- 1763L4 · InformationBayes's essay on probabilityFoundational text of every later AI inference engine.
- 1865L2 · ScienceMaxwell's equationsElectromagnetism unified mathematically; the first information-bearing physics.
- 1872L7 · Laws of RealityBoltzmann · entropy as statisticsThermodynamics becomes a property of microscopic counting.
20th c.
- 1900L2 · SciencePlanck's quantumThe third opening of the science layer begins.
- 1915L2 · ScienceEinstein · general relativityGravity is the geometry of spacetime.
- 1925L2 · ScienceQuantum mechanics (Heisenberg, Schrödinger, Dirac)The science layer is now statistical and observer-entangled.
- 1931L3 · MathematicsGödel's incompleteness theoremsMathematical knowledge is genuinely bounded.
- 1936L5 · ComputationTuring's universal machineThe computation layer is opened.
- 1945L5 · ComputationVon Neumann's EDVAC architectureEvery general-purpose computer since.
- 1948L4 · InformationShannon · A Mathematical Theory of CommunicationThe information layer becomes quantitative.
- 1953L4 · InformationWatson and Crick · the structure of DNALife shown to be operationally informational.
- 1972L4 · InformationBekenstein boundInformation capacity scales with area, not volume.
- 1974L6 · ConsciousnessNagel · 'What is it like to be a bat?'Subjective experience renamed as a distinct problem.
- 1989L4 · InformationWheeler · It from BitThe strongest form of the information-substrate hypothesis.
- 1995L6 · ConsciousnessChalmers · the Hard ProblemThe central question of layer 6 is named.
- 1997L4 · InformationMaldacena · AdS/CFT correspondenceA worked holographic universe.
21st c.
- 2002L5 · ComputationWolfram · A New Kind of ScienceCellular automata proposed as the substrate of physics.
- 2003L8 · ExistenceBostrom · the simulation argumentReality may be a computation. Probability argument, not metaphor.
- 2004L6 · ConsciousnessTononi · Integrated Information TheoryConsciousness becomes mathematically measurable in principle.
- 2008L8 · ExistenceTegmark · the Mathematical UniverseEvery consistent mathematical structure is a universe.
- 2012L5 · ComputationAlexNet · deep learning is taken seriouslyThe AI computational layer begins its compounding phase.
- 2017L5 · ComputationVaswani et al. · 'Attention Is All You Need'The transformer architecture; every frontier model since is one.
- 2020L5 · ComputationWolfram Physics Project launchedHypergraph rewriting as candidate substrate of reality.
- 2022L5 · ComputationChatGPT releasedFrontier AI enters every workflow on earth.
- 2024L5 · ComputationAlphaFold receives the Nobel in ChemistryMachine learning crosses formally into natural-science contribution.
Futures