>"What does that radio signal look like at the endpoint, once it has traversed all of that space?" Exactly the same, just much weaker. The issue at play is just that light moves at a finite speed, and cell phones would…
>"What does that radio signal look like at the endpoint, once it has traversed all of that space?" Exactly the same, just much weaker. The issue at play is just that light moves at a finite speed, and cell phones would…