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Sneak Peek! (And/or help me finish this thing) (Patreon)

Published:
2019-04-09 05:59:31
Imported:
2026-06

Content

I don't normally show videos before they're done but this one is an exception. Here's a video about what you're really looking at when you see an image of a black hole. It's done in arts and crafts style.

I'd love to get your feedback. What do you like/hate? Is there anything that doesn't make sense.

If you don't want the final video spoiled, please don't watch this, but if you're interested and want to offer some suggestions, I'm editing now so now is a good time.

Thanks!

Files

How to Understand the Black Hole Picture

Comments

Glenn Watson

For me, the camera jumps around a bit at really odd angles, the one on the side feels a bit disconcerting for me (for example at 8 seconds). The content seemed good, your intro you were stumbling a bit. Felt a lot more solid once the props etc were introduced. Content is good and interesting as always. Bit of word mumbling a bit in the intro. I normally don't like being critical in this way since I can't do much better but figured you asked for feedback.

Ken Goudey

Information felt spot-on to me. Pacing and timing were good, and I feel ready to appreciate the image(s) now that I've had your insights (and caught a fair bit of your enthusiasm!) From an arts-and-crafts perspective, I think some simple foam core board (black and white) would alleviate most of the "foldy paper" issues, and a black frame/wire would disappear sufficiently. Your models get the point across clearly. I do think the couple "artists renderings" you flashed by were informative. Lingering on them longer might be a plus. Thanks!!

Patrick W. Gilmore

Overall, I liked it. The “arts and craft” style was fine. But I have to ask, did you really need to say: “Gravity of the situation”? <groan> A couple minor nit-picky things. At 1:27, hitting the ring distracts the viewer. But probably not enough to re-do the shot at this point. And at the end, the accretion disk flopping around looked a little silly. I did not mind using paper to demonstrate, but when it flopped at the end, it looked less polished than most of your other videos. Thank you for making it. I learned a lot!</groan>

Glenn Watson

A curiosity question came to my mind though. You mentioned there are two rings, one for light (due to the lack of mass) and another for matter with mass. What about matter with barely any mass whatsoever. Good luck editing the video.

JAYTEE

My brain hurts, but I'm very happy with the presentation. And because my brain was just keeping up, I didn't even notice any issues that may even exist. Cheers, JAYTEE

Jase Smith

I understood what you said and it made sense to me

Henner Zeller

Nicely explained, just two little points that I noticed - '"parallel lightrays coming in from the observer." So an observer looks at things so does not really send light. While it is clear what you mean, this feels a little sloppy. - showing the path of the lightrays with the fingers: the left hand 'hands' over the lightray to the other hand, which then proceeds to show where photons end up in the black hole; but the left hand still does something (pointing to the black hole etc.), which is confusing ("did the light just go backwards?"), so it is probably better to remove the left hand quickly after the 'handover' so that it is clear where the continuation happens.

Tim Ternstrom

Annular rings are for trees and circuit boards.

Philip Freeman

This seems very well done. You flirted with but avoided the "escape velocity of a black hole is greater than light" misconception, so congrats on that! I didn't notice anything else that was 'off' except for the (perhaps inevitable and probably deliberate) avoidance of time dilation effects, both in terms of the gravitational red-shifting of escaping light and the fact that the event horizon is a discontinuity in time as much as one in space. That's a can of worms I assume you are leaving unopened since it has (one expects) little to do with the image.

Andrew Berg

I was also bothered by discussing light rays coming from the observer.

Daren Scot Wilson

Well done! I like how with bending paper you show how the famous Interstellar image came about. Explanations are clear, make sense to me (but then, I'm a physicist) and I can't think of any improvements, other than to use actual curved space. Maybe with greatly increases Patreon funding? Only fix really needed is like someone else said, the accidentally knocked ring at around 1:30 is distracting.

João Gouveia

This was great! I really like the use of the bending paper and your model was very useful to understanding these concepts. It was simple and informative! Well done! :)

wolph

The filming of the black hole in your hands was a bit quirky and could use some graphics or so. Beyond that, excellent content :)

Scott Crawford

If the photon sphere is unstable, what feeds it? Where does it get more photons to continue its existence?

veritasium

Thanks all for feedback! Video is now uploaded and going live in 1.5 hours

Henner Zeller

In the final video I just noticed: 6:56: "Do we see the shadow of the black hole?" is the question, but the answer is (paraphrased): "Yes, we see the accretion disk". Was the question meant to ask about the accreation disk ?

Matt Dunlap

I loved the model after it was fully built and working the way you knew it would the whole time. Up until then, when you were holding the shadow (there's a phrase I never expected to use) and using your hands to show light paths I was thinking to myself "this would be better shown with an animation"... but then the ending came and the model was great! So I guess, if animation was quick and/or cheap I would say use that instead of showing the assembly of the model, but I'd wager it is neither of those things, and in that case I'm glad you went with the physical prop, even though it made following the light paths part a little more challenging.