Helicopters

Intuition is the ability to acquire knowledge without recourse to conscious reasoning. As such, intuition is thought of as an original, independent source of knowledge, since it is designed to account for just those kinds of knowledge that other sources do not provide. Knowledge of necessary truths and of moral principles is sometimes explained in … Read more

A helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air. The idea of taking off vertically, making the transition to horizontal flight to the destination, and landing vertically has been … Read more