The Universe Within 12.5 Light Years

When the Fermi Paradox was first posited, scientists and engineers seemed to believe that interstellar travel was soon to be technologically achievable, a few decades, maybe centuries for the less optimistic. Progress around space propulsion has kind of stalled since then and we should maybe question the possibility of interstellar travel as this would give an easy but unpleasant answer to the famous paradox.

I’ve always wondered — magnetism seems kinda crazy — how are two objects not touching but exerting a force(?). Practically witchcraft…

Without electricity, how well would we understand it? Just that some mysterious rocks that stick?

Wonder if one day in the distant future we’ll discover a new force we never imagined.

How is two objects not touching but feeling a force crazy? Isn't that what gravity does but everyone's ok with that