Yes, just like every new electrical generation method is steam, every new method of propulsion in space is throw something at the back as fast as we can.
The exception being Project Orion. The idea behind project Orion is to constantly drop and explode nuclear bombs behind the spaceship at a rate of 1 bomb per second. The explosion of the bomb would then push the spaceship forward.
Yes, just like every new electrical generation method is steam, every new method of propulsion in space is throw something at the back as fast as we can.
The exception being Project Orion. The idea behind project Orion is to constantly drop and explode nuclear bombs behind the spaceship at a rate of 1 bomb per second. The explosion of the bomb would then push the spaceship forward.