AaS! 66: What in the world is metallic hydrogen?
Ask a Spaceman!
Paul M. Sutter
4.8 • 853 Ratings
🗓️ 17 October 2017
⏱️ 31 minutes
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Summary
What in the world is metallic hydrogen? What does it even mean? Where does it exist in nature, and can we make it in the lab? I discuss these questions and more in today’s Ask a Spaceman!
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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 go online to Twitter or Facebook. Use the hashtag Ask a Spaceman. And I will take those questions and I will answer them eventually. |
| 0:23.5 | You can also email me at Ask a Spaceman at gmail.com or visit the website, askas spaceman.com, |
| 0:31.1 | kind of convenient, or visit my YouTube channel, YouTube.com slash Paul M. Sutter. you can ask questions all over the place. We have one simple |
| 0:41.9 | goal with this show. Complete knowledge of time and space. And on the road to complete knowledge |
| 0:47.9 | of time and space, we have today's questions. We have Tom S. and at Abguntha via email and Twitter, respectively, asking about metallic hydrogen with several question marks after that. |
| 1:00.8 | We have Andres Del C via YouTube. |
| 1:03.2 | Could you please talk more about liquid metallic hydrogen? |
| 1:05.9 | And we have Colin E via email. |
| 1:07.9 | What's inside Jupiter? |
| 1:09.5 | And how did it get there? |
| 1:12.2 | Metallic hydrogen. |
| 1:13.3 | Okay, I need to take a few steps back. |
| 1:15.8 | Let's talk about phases of matter. |
| 1:18.1 | Good old phases of matter. |
| 1:19.3 | We're used to thinking of things very simply. |
| 1:21.7 | Solid, liquid, gas. |
| 1:24.4 | And transforming from one phase to another is very easy. Like take water. Take some solid water, |
| 1:33.8 | aka ice, add some heat to it, add some temperature, increase its temperature, and it becomes a liquid. |
| 1:40.1 | Then add some more heat and it becomes a gas. |
| 1:45.7 | Okay, so that's pretty easy. |
| 1:50.6 | If I want to take a material and change its phase from one thing to another, |
| 1:53.5 | I just need to add heat or subtract heat. |
... |
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