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UPDATE_II: Ok, tentative fix. I changed some Patreon settings and if you go into your "manage membership" settings (or profile settings / shipping address) you should be able to add your address to your Stand-up Maths pledge. Let me know if that still isn't working! I'm only semi-convinced it's fully working.

UPDATE: A few people have said they cannot link their postal address to their support of me. I thought I had the address requirements turned on for all tiers but I’ll take a closer look later (currently away from laptop). Don’t worry: everyone who wants a balloon will get one. I’ll email anyone still missing an address on 07 Aug to double check!

If you've already watched my video about the balloon with -1 holes then you know that I have bought enough torus balloons to post one for free to every Patreon supporter.

But for that to happen I need to know your postal address! Please check you have a postal address on file with Patreon if you would like to get a balloon in the mail from me. Deadline is 7 August if you want the ultimate mathematics party accessory.

Files

Why does this balloon have -1 holes?

Thank you to BetterHelp for sponsoring this video! To get 10% off your first month of therapy, go to https://betterhelp.com/standupmaths to sign up today. If you are need of urgent mental health support please check for crisis help lines available in your country. USA: https://www.mentalhealth.gov/get-help/immediate-help UK: https://www.nhs.uk/mental-health/advice-for-life-situations-and-events/where-to-get-urgent-help-for-mental-health/ Do check out Jordan Ellenberg's book Shape. This video was inspired by Chapter 2. https://www.nytimes.com/2021/06/21/books/review/jordan-ellenberg-shape.html https://www.jordanellenberg.com/book/shape/ Support me on Patreon and I will post you a free torus balloon. I hope I don't regret this. https://www.patreon.com/standupmaths Here is Sam Hartburn's geogebra file: https://www.geogebra.org/m/yjtjxr2n Trouser animations thanks to: Bentley Davis https://BentleyDavis.com Em Raymond https://twitter.com/techcavy Kalina Panteleeva https://www.instagram.com/kalinadoescg/?hl=en Thanks to Visual Topology & Geometry for "Punctured torus homeomorphism". https://www.youtube.com/watch?v=tz3QWrfPQj4 Me cutting two joined cylinders in half way back in 2015. Good times. (At 29:29.) https://youtu.be/1wAaI_6b9JE?t=1769 CORRECTIONS: - When talking about the Euler Characteristic of the torus at 16:29 I say the value of zero is "only on our friend the torus" which is technically wrong. In the moment I was just talking about the sphere and the torus but loads of other shapes have an Euler Characteristic of zero. Like the cylinder. - I'm undecided if the string method of thinking about holes at 17:04 was helpful. I could have talked about the dimension of the boundary manifold, but that felt like I was repeating the previous bit too much and wanted a different way to think about it. Not sure if this counts as a 'correction' per se, but I just needed to talk to someone about it. Thanks for listening. - Let me know if you spot any other mistakes! Filming and trouser sewing by Alex Genn-Bash Editing by Michelle Martin Graphics by Sam Hartburn Doughnuts later eaten by Matt Parker Music by Howard Carter Design by Simon Wright and Adam Robinson MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ US book: https://www.penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker/ UK book: https://mathsgear.co.uk/products/5b9fa76f230ffa140094dc43 Nerdy maths toys: http://mathsgear.co.uk/

Comments

Bugs woodhouse

My birthday is 5th august so this will be fun!

Henry

Do people at all tiers get a balloon? I don't think I can include an address at the pi tier.

Rene Miklas

I found no way to enter an address in the app. I shall try on a desktop on Monday...

Bryn

So awesome. It can sit beside shadow of a hypercube.

Ingrid

Rufus, that won't work since the tier doesn't have the option to put in your address. Matt will have to update the tier to include a physical reward so people can enter their address for it.

Ingrid

Hey Matt, I think you need to update the reward tiers so people can put in their address for the balloon.

Phil D

Same, I have an address registered with Patreon in order to receive items from a different creator, but I don't have the option to share it with Matt at the pi tier as it is not listed as having a physical reward.

Stewart Caswell

I ran out of toroidal balloons just this morning, so this couldn’t have come at a better time!

Eagle Chee

This was such a damn cool video. Thanks to Matt and to all the contributors! :3

James Bastone

Matt please can you update the tiers so we can add our addresses? Thanks.

standupmaths

Yes they do. I thought I had that turned on. Don’t worry I’ll look into it and get back with an update over the weekend. Everyone will get a balloon even if I need to make a separate postal address form!

standupmaths

You can watch it slowly deflate across a fourth dimension.

standupmaths

Well, you’re not getting them from anywhere else at the moment!

Neil Sheriff

Thanks for this, just discovered I hadn't updated my address on Patreon since I moved last year.

Christoph Lechleitner

Regarding tiers not getting to enter an address, maybe this effects historic tiers that aren't available for new supporters but still have long-term supporters using them. Just a thought, and we know you're on it ;-)

UsrBinPRL

The toroidal balloon looks very much like a haemorrhoid cushion, which is fortunate as I need something to sit my annulus on.

Paavo Saarinen

Not sure why I even bothered checking if I have my address there, I have already gotten a Christmas card from Matt once and it found its way here just fine (though it was slightly odd considering I don't think I've ever been a supporter on a tier that's supposed to get a physical card, but not complaining)

Bugs woodhouse

Imma put it on one of my cats heads. Like a crown.

LordLoki

i can't add it either and i am in the Overly-Irrational Support tier which i think still exists. But as you say Matt surely is on it :D

Björn Fahller

My birthday is next week. Any chance for an early delivery? ;-)

Rick Rubenstein

Wager: You had a joke in there about sticking your finger in your annulus but decided against it.

Erin

It's always a delight to receive post, and this balloon will coincidentally make a lovely counterpart to the weird lumpy sphere from Destin

Nicholas Koceja

Honest question. What if we get a balloon, but find the balloon to instead be a punctured torus? Would you send another one, or would we just be out of luck?

David Perek

Topology will make you paranoid about good samaritans who claim to have patched a hole in your tires.

Franciszek Sowul

I mean those balloons better be punctured toruses, otherwise we won't be able to blow in them! Though if it happens to be a twice punctured torus (Euler characteristic -2), that would be really unlucky

Beanedict Cumbfurbatch

If you bought stretchy enough sweatpants, you could see the legs together and then still wear them.

standupmaths

Everyone gives away spheres and balls. I had to go one (genus) better.

standupmaths

Other than the deliberate inflating hole? Depends on if I have many spares.

standupmaths

Yes. But you’d look strange. Proud. But strange.

Seven

I have my shipping address set up but I'm not sure on how to connect it to my membership here

Beanedict Cumbfurbatch

Wait, so a sock is a disc, but once you get a hole in the toe it’s a torus, so getting a second hole in it makes the sock pants? And if you sew the arms of a shirt together, and then sew the neck to the bottom hem, what does that become?

Parrik

I love this way too much xD

Ryan Aldridge

The hole in the toe would make the disc into an annulus, not a torus - your sock would become the same shape as a drinking straw.

Andy D.

Thanks for the edit re: the addresses. I can't add mine so I'll wait patiently!

desmu

Can one thing have two 2-dim holes?

Professor Panyck

For my amusement, I'd like to confirm, the supporters with addresses linked that have NOT watched the video are randomly going to receive torus balloons correct?

Tucker Middlebrook

Do we send you through some message thing like this our address or is the address from our profile set up the way you get the list of your supporters. I just became a patreon person today.

Toby Archer

I mean basically we're just a contorted donut, right?

Toby Archer

[insert joke about only having two balls to give away]

Phil Boswell

I went to the "Manage Memberships" page: https://www.patreon.com/pledges It lists all of the people I support and shows my Billing Address if I have one: there's also an "Update" link on the addresses. Does that help?

Alan

You can add your address in your profile settings.

David G Briscombe

I can't believe how much I am looking forward to getting a balloon that has four holes in it!

standupmaths

Hi folks, I've just changed some Patreon settings. But I'm not 100% sure it's worked. Could you check under your profile settings / shipping address that I appear in the list of creators you can share it with? I want to check it's working before I tell everyone to do it.

standupmaths

Oh, they absolutely will. I am still deciding if I include a letter with a link to the video, or just a plain envelope containing a torus balloon and no explanation.

Seven

I'm now able to add my address to this pledge under the manage membership tab! I think what you did worked

standupmaths

Thanks! I’ve updated the post. I’ll wait a bit to make sure it’s working for everyone and then email all the people I don’t have an address for.

John Sawyer

So I could add my address to your profile but it seems to have a very strange idea of how UK postal addresses work. It insisted I add a County and then formatted Wiltshire as WIL like it was some kind of weird US state. Hoping it gets to me so I can add it to my weird collection of stuff.

Russell Monkey

My toddler is going to be very excited...should I start with the balloon, the doughnuts...or should I just sew all his trouser legs together? As we know, children are very adaptable...

Florian Linscheid

I could add the address now, seems to be working fine! 👍

Bluefox

I confirmed by clicking my little icon in the top left corner, and then clicking Manage Memberships that you have my address. BTW, can you guess why I subbed at $3.15?

kefir

I still don't have the option to add my shipping address (I'm a $2 patreon), but I'd like the balloon! I guess I'll wait for the email on the 7th, sorry for the trouble!

Russell Monkey

Surely some passive-aggressive instructions or questionable spec sheet...

Bret Scofield

I see the address field and have updated it.

Tucker Middlebrook

Matt. Unrelated to the balloon video (though I still throughly enjoy this video), but can a future video be on either: 1. forms of great historical codes used in various methods of security 2. Explain the recent discovery of the scientific physics-breaking difference of the resonant density of what was the previously assumed amount for the sub atomic particle muons. And how the new number could have massive implications in not just physics, but of maths all together.

DEATH2

At least you were able to add your county. I had to choose between the 2 nearest towns as it doesn't have Berkshire. But it has Berkshire for province....

Jean-Luc Burhop

I was able to add my address. Apparently you can't do it through the pateron app and need to do it through the website.

Thomas Ibbotson

Me too. Added my address anyway just in case. And I won't miss out on whatever the next thing might be.

Harry Balzac

Didn't see my name in the video now I'm sad.

Harry Balzac

Also I have no idea where to put my postal address.

Harry Balzac

Oh oops looks like it's using an old creditcard I'll fix that sometime this week

J. Siebring

Still can't add my address. Much too late now anyway...

John Sawyer

Have these been sent out yet? Just checking it hasn't got lost in the post. :O

Simon Pain

I got mine in the post yesterday in the UK.

John Sawyer

Ahh might arrive the next time our postman deigns to turn up (they are occasionally a bit flakey.). Thanks..

Zach Hoy

This is the one that finally got me to come to Patreon and support you, I LOVED this explanation of it. Falling in love with math again.

AgentHedgepiggle

My balloon now has pride of place in my front room as a temporary modern art installation!

James Bastone

Hi Matt, are these still being sent out or should those of us who haven't got one now assume we won't be getting one? I'd really like to get one still, I've been a supporter for some time now and I was really excited to hear about the balloons.

Tomasz Szymański

Just received mine (Poland) and I love it!! It's pink so it reminds the one from the Simpsons.

J. S. B.

I cannot wait to get my infinity balloon!!