Board Thread:False Info and Speculative Discussion/@comment-24439517-20150809092415/@comment-4091815-20150812034852

Gravity and EM are both fundamental forces - they interact and, in theory, EM can be used to exert a gravitational field.

https://en.m.wikipedia.org/w/index.php?title=Kaluza%E2%80%93Klein_theory&redirect=no