Questions answered in this episode:
"If we did travel at 99.9% the speed if light what would it look like? And I read that we could create something like a warp drive to travel without breaking the laws of physics. Is this true? - Tyler Claudio
"... if you traveled over the speed of light you would go back in time? [If an] object or machine could go faster then the speed of light would it appear in the past?" - Cam Nelson
"Is there a timeless zone in the universe?" - Santy Arcusa
Submit your questions for the next round of Ask the Experts by clicking here and posting in the YouTube comments (Google account required). And while you're there be sure to subscribe to our Spacelab channel for weekly videos on space and astronomy.
The question with the most "likes" will be answered in the next video by a new guest expert. Previous episodes have featured astronomer Caleb Scharf, astrophysicist Neil deGrasse Tyson and Scientific American's own editor in chief, Mariette DiChristina.