By choosing the right path and the right reference frames, any superluminal motion can lead to information or objects returning to their origin before they depart.
Aired:
03/21/17
| Expires: | Runtime: 10m 40s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.