The Making thread

Phase 01 — First days: water, fire, shelter Year 1 (days 1–7)

Phase 02 — Stone, bone, wood and fibre toolkit Year 1 (weeks 2–6)

Phase 03 — Food security and the first camp Year 1

Phase 04 — Clay, kilns, charcoal and lime Years 1–2

Phase 05 — Copper and bronze Years 2–3

Phase 06 — Iron and steel Years 3–5

Phase 07 — Carpentry, the village, measures and writing Years 4–9

Phase 08 — Farming, cloth, leather and household industry Years 6–18

Phase 09 — Water, wind and mechanical power Years 14–22

Phase 10 — Blast furnace, coal, cast iron and rolling Years 20–26

Phase 11 — Glass, chemistry, petroleum, rubber and cement Years 24–32

Phase 12 — Precision and machine tools Years 30–36

Phase 13 — Steam power Years 34–40

Phase 14 — Electricity, generators, motors and batteries Years 38–45

Phase 15 — Railways, steam and electric cars, the power grid Years 43–50

Phase 16 — The builder's tools: spanners, pneumatic hammer and construction crane Years 51–58

Phase 17 — The gasoline engine and the forklift Years 51–64

Phase 18 — High-voltage lines, transmission towers and the multimeter Years 52–64

Phase 19 — Roads, bridges, flyovers and tall buildings Years 55–100

Phase 20 — Epoxy and the materials for tape and screen Years 56–90

Phase 21 — Microphone, speaker, magnetic tape and the telephone exchange Years 58–85

Phase 22 — The propeller airplane Years 62–80

Phase 23 — Logic gates, ferrite core memory and the valve computer Years 72–100