Tagged Questions
-1
votes
1answer
358 views
The difference between free energy and perpetual motion [closed]
What is the difference between free energy (over unity) and perpetual motion?
Please provide some examples, both real world and theoretical.
6
votes
2answers
717 views
Wheeler-Feynman theory, QED without fields, vacuum polarization
Initially Wheeler and Feynman postulated that, the electromagnetic field is just a set of bookkeeping variables required in a Hamiltonian description. This is very neat because makes the point of ...
