"Not sure what you mean. Maxwell, Faraday etc. There isn't a physicist on the planet who doesn't connect electricity with magnetism."
We are talking about cosmology Alea & the amount
of times cosmologists mention electrical forces
in the universe compared to magnetic forces!
"Theories about anti-gravity also exist and have been used to explain the universe's expansion. But as far as I know, no one has figured if it exists or how to test for it."
Yep....anti-gravity,dark matter,dark energy are
unproven,untested theories that are needed to
make your cosmological model work.....
My model doesn't need any of those...i already
have a proven tested force called electromagnetism´.
Your Feynman example is a strawman,my plasma
model has already shown to provide such craters
as part of normal anode & cathode plasma groundings.
Your model requires belief in unproven forces
while mine does not......