If verified as a valid alternative, this new propellant could be used not only in spacecraft, but also in military vehicles that operate on hydrazine, said Roger Myers, executive director of Aerojet Rocketdyne, a partner in the program.
In contrast to the instinctual id and the moral superego, the ego is the rational, pragmatic part of our personality. It is less primitive than the id and is partly conscious and partly unconscious.
According to Freud, humans have three main components to their personality that cause us to behave the way we do and make us who we are; the id, ego, and superego. The superego (Latin for over the I) acts as our moral guide and mediates between the id and the ego.