Epoxy and the materials for tape and screen

Earth parallel: 1908–1950 (liquid crystal screens: about 1970). Goal: materials made to order, not found: plastics, fibres, alloys and coatings that the later machines are built from.

Years 56–9017 entries0 procedures written

ID	Achievement	Thread	Built on	About year
20.01	Chlorine and caustic soda by electric current ⚠salt water split by current into the two chemicals that most of the new materials start from	Making	11.22 11.61 14.21 15.25	56
20.02	Acetonethe clear solvent for lacquers, films and resins	Making	04.14 11.12	56
20.03	Cellulose lacquer and enamel painta hard, glossy coat that dries in minutes and can be sprayed	Making	08.37 11.19 11.23 16.14 20.02	58
20.04	Plastic filma thin, clear, strong ribbon: the base of photographic film and of magnetic tape	Making	11.23 14.41 15.35 20.02	60
20.05	Strong aluminium alloyaluminium with a little copper, hardened by heat and time: as strong as mild steel at a third of the weight	Making	10.17 14.34 15.46	60
20.06	Ammonia made from the air ⚠nitrogen and hydrogen joined under great pressure over hot iron: fertiliser and chemicals without limit	Making	11.30 13.23 14.44 15.09	61
20.07	Chromium and stainless steelsteel with chromium and nickel does not rust	Making	11.48 15.46 18.10	62
20.08	PVCvinyl plastic: a tough covering for cable, pipe and flooring that does not rot	Making	11.20 16.10 20.01	63
20.09	Magnet and core alloyssteels and nickel-irons made for magnetism alone: stronger magnets, cores that waste less	Making	11.48 14.06 14.15 18.10	64
20.10	Tungsten carbide tool tipsa cutting edge harder than any steel, pressed from powder	Making	11.46 12.27 14.44 14.45	66
20.11	Synthetic rubberrubber made in the works, so that tyres no longer wait on the trees	Making	11.10 11.39 16.10	68
20.12	Nylona fibre made from coal, air and water: stronger than silk	Cloth	11.19 11.63 11.71 15.42 20.06	72
20.13	Glass fibre and fibre-reinforced resinglass drawn into fine threads and set in resin: light panels and hulls as strong as metal	Making	11.01 15.43	74
20.14	Epoxytwo liquids that set, when mixed, into a glue and a casting resin stronger than any before	Making	11.63 15.43 20.01 20.02	80
20.15	Polarising filma plastic sheet that lets through only light that swings one way: half of what a liquid crystal screen needs	Making	11.60 20.04	84
20.16	Clear conducting coating on glassa film of tin oxide too thin to see, which carries current across a window	Making	05.08 11.20 19.11	85
20.17	Liquid crystal compounda liquid whose molecules line up in an electric field and turn the light: the heart of a flat screen	Making	11.04 11.71 12.35	88