How to Build a Scientific Civilization After This World Disappears
- How to make a digestive system
- How to make a fire extinguisher: Dissolve 1 pound (about 450 grams) of salt and 0.5 pound (about 230 grams) of Ammonium Chloride Stone in 2 quarts (about 1.9 liters) of water. Fill bottles with 1 quart (about 0.95 liters) of the solution. In case of a fire, throw the bottle into the fire https://gyazo.com/3527381d3cd0b00f4d50d958333efdc8.
- How to extract fragments: If glass fragments or other objects get stuck or embedded in the skin, they can be removed using a wide-mouthed bottle and hot water. Pour plenty of hot water into the bottle and firmly press the mouth of the bottle against the area where the fragment is embedded. As the temperature of the water decreases, the skin will adhere to the bottle and pull out the fragment https://gyazo.com/252f5c22be051c2953ced392768b7144.
These methods utilize the suction caused by the temperature difference tkgshn.icon.