Ages ago I compiled a list of beneficial to society knowledge. From memory so more of a pamphlet than on a hard drive: How wings/flight works; how to design a

Ages ago I compiled a list of beneficial to society knowledge. From memory so more of a pamphlet than on a hard drive: How wings/flight works; how to design a simple airfoil. Germ theory, penicillin. Microscope looking for crazy hands on long stalks. Lenses are molten glass in a mold. Vaccines are created by producing lots of a bad thing and then heating it up to the point it dies. deactivated virus. Heat milk to just below a boil. Never let it boil. Milk does absorb significant amounts of heat before boiling. Pasteurization. Insulin comes from pigs and dog pancreas. electricity = magnet + water wheel. magnets come from heated iron. next to coiled wire. magnet -> compass electricity + tungsten = lightbulb. gears, glasses, thermometers, scissors, saws, utensils, language books, screwless construction techniques.