Humanity has always strived for constant development and progress, and one of the key aspects of this development is the improvement of perpetual motion machines.  However, the idea of a completely perpetual motion machine that does not require an external energy source continues to be the subject of speculation and discussion.  Here we will consider several approaches and promising ideas about how such an engine is essentially created. One of the main theoretical concepts about eternal energy is the idea of transferring energy from a vacuum...