The basis of freedom is three basic human needs: food, shelter and energy. If for the sake of these needs a person has to work for another person, then he is a slave, regardless of the level of income received. To obtain these three basic needs, a person needs his own land and technology: growing food, building his house and obtaining energy within his land. It is amazing that a tree can provide both food and building materials for a house and be a solar energy accumulator! Or be a source of terrible fires if we do not take care of the trees and do not take their gifts…

“A technical object is ideal if it does not exist, and the function is performed.” (c) Theory of inventive problem solving.