The Nature of Nothing | Space Time

Note: There is a correction in this video that has been addressed in the pinned comment below.

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Man from Nantucket

Laxmi Papney

Flo Striker

HK Norman

thesimulacre

How do we study nothing? An empty jar still contains something: molecules of air and a bath of infrared light from its warm environment. But what if we suck out every last molecule of air, chill the jar to absolute zero, and shield it from all external radiation? The jar would contain only empty space, but it turns out that empty space is far from nothing.

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[pbsspacetime]

Correction! Gluons are massless. Please think W or Z boson (mediators of the weak nuclear force) instead of gluon. Both of these have mass and hence their range is limited (as stated in the video), rendering the weak force, well, weak.

[bryanchambers]

Im a theoretical physicist in the M.S. program at TUM myself and let me just say these videos are INCREDIBLE.! They help me so much with the conceptual side of what I am working on. These subjects are very difficult to understand even without all the horrendous math but these explanations are second to none. Thank you so much PBS for bringing this amazing information so they world can appreciate our incredible universe.

[TurboSol]

This is my favorite science channel, it's rock solid science wise but still they entertain fun ideas without getting "out there" like other click bait channels.

[difdaf]

Man I love watching space time, even though I would say 90 percent of the time I have no idea what he's talking about, I still love it haha!

[nikitakuznetsov]

Friend: What are you watching?
Me: Nothing.

[charlieangkor]

Empty space is filled with PhD’s and Nobel Prizes.

[deaustin]

damn it, now everyone knows that that jar of absolute nothing at absolute zero which I have on ebay is fake

[dexterrity]

One of the best Physics channels on Youtube. Between _Space Time_ and _Sixty Symbols_, you guys provide enough inspiration to get people around the world who are seriously curious about science to take their studies to the next level.
Of course I'd love to give honourable mentions to all the other great educational content out there, but when I think about it the list starts to grow quite large.

[Scanini]

As a complete layman in these subjects I struggle a lot to understand anything, however every now and then something slots into place, it's worth the effort! :)

[manfromnantucket]

Hey, they answered my question @ 12:31

Noice.

[brianschwarm]

I so often forget to “like” videos on YouTube, but I really enjoy SpaceTime, keep up the good work! I love how you guys break it down, and if it’s too simple for the video, you’ll refer us to another great video. I also like the corrections to past videos and responding to comments at the end. I feel I have learned so much thanks to you guys and I’m only just getting started.

[wallacegrommet]

When you take away everything, you still have the infinitely energetic field of space time

[robertb]

The Science Asylum and PBS Space Time are by far my two favorite channels on youtube!

[joshuagibson]

Wow... I have been on quite a journey this past year, and I cannot believe the relation here. I have been a research and learning addict since I decided to pursue all the things that I believe I know are happening around us. I have had this pattern in my mind for a year now as well, and I came to the realization of it thanks to your videos. I think I have found the particular way of quantifying certain things, and everything this video states correlate with it perfectly. On my paper, I wrote that 0 cannot mean zero as is nothing, but instead be something that provides a seemingly neutral amount that must be worked up to. It halfway makes me want to loco with the number of weird thoughts I keep thinking are ideas and how to solve them, end up being real-world functions or questions. It is a bit intoxicating if I am being honest. I come from a lesser than practical kind of world, so there is no way of finding out what it means to daydream and, due to my ignorance and lack of much formal education in my 30 years, imagine a new level of reality and a way to answer it with too many similar patterns that are in similar tiers in their systems. Of course, I am now finding out that we are already here thanks to current math and science, and are working on the same idea. This is awesome. I am trying to figure out how to apply it, and if crazy stuff happens, I would like to preemptively thank you for all of your work on these videos.

[mrhdbnger]

My bank account has quantum energy. So there is that.

[Master_Therion]

Jon Snow is an expert on the subject of nothing.

[mrityunjaysah]

First of all thank you very much for these videos and this channel is my favourite channel on YouTube. Thank you sir for your great explanations. You are really doing great job.

[eval_is_evil]

"This episode is about nothing (laugh track)"
**Seinfeld theme music**

[christianbro]

I wish I had the knowledge to fully understand these videos.

[Sigusen]

*Nods knowledgeably with an intelligent smile*

*when asked to explain this... runs away quickly*