AaS! 58: Is Time Travel Possible?
Ask a Spaceman!
Paul M. Sutter
4.8 • 853 Ratings
🗓️ 20 June 2017
⏱️ 21 minutes
🧾️ Download transcript
Summary
Does everyone have the same clock? Can we skip forward into the future? What about the past? Why does it appear to be forbidden in our universe? I discuss these questions and more in today’s Ask a Spaceman!
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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
Big thanks to my top Patreon supporters this month: Justin G., Kevin O., Justin R., Helge B., Tim R., Michael C., Lars H., Ray S., John F., James L., Mark R., Alan M., David B., and Silvan W.!
Music by Jason Grady and Nick Bain. Thanks to WCBE Radio for hosting the recording session, Greg Mobius for producing, and Cathy Rinella for editing.
Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, Chief Scientist at COSI Science Center, and the one and only Agent to the Stars (http://www.pmsutter.com).
Transcript
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| 0:00.0 | You know what time it is. It's time for Ask a Space Man. I'm your host Paul Sutter. You've got questions and I've got answers. You know how this show works, but let's travel through the possibilities one more time. You go online, Twitter, Facebook. |
| 0:22.1 | Use the hashtag Ask a Space Man. |
| 0:24.5 | Send me questions for me to answer. |
| 0:27.1 | I devour questions and spit them back out as answers. |
| 0:32.5 | You can also follow me directly on Twitter and Facebook. |
| 0:35.6 | My name is at Paul Matzler. |
| 0:36.9 | You can also go to AskAspaceman.com or the YouTube. |
| 0:40.5 | channel, YouTube.com slash C slash Paul Matt Sutter. |
| 0:44.8 | Or just go to Ask a Spaceman. |
| 0:46.2 | Their links to all of that. |
| 0:48.7 | We have one simple goal with this show. |
| 0:52.4 | Complete knowledge of time and space. And on the road to complete knowledge of time and space. |
| 0:55.3 | And on the road to complete knowledge of time and space, we've got a few questions. |
| 1:00.2 | We've got Jack S. via email. |
| 1:02.5 | Is time travel possible? |
| 1:05.0 | What is time anyway? |
| 1:06.5 | Evan W. via email, what's the speed of time? |
| 1:10.5 | And at MySci Life on Twitter and at Tanya |
| 1:13.9 | Davis on Twitter, both asking, how do we know the universe isn't rotating? How can you time |
| 1:19.7 | travel in a rotating universe? I think I brought that up. In an earlier episode, now I'm |
| 1:26.3 | reaping what I sowed because I brought it up and now I |
| 1:29.8 | got to answer it. So this episode is going to be a housekeeping episode or perhaps I should call it |
... |
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