standupmaths

@standupmaths@mathstodon.xyz

#1 best-selling author, also maths clown. Humble Pi, a comedy of maths errors: https://mathsgear.co.uk/collections/books/products/humble-pi-signed-paperback
Videos: http://youtube.com/standupmaths

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standupmaths, to random

Incredible. A game cartridge with a built-in console. https://youtu.be/ON-vArvervA?si=ZySi9mLFsoOuvNpT

standupmaths, to random

For all you awards fans: Abel Prize announcement video goes live in just under 90 minutes. https://www.youtube.com/live/lsAN1eUh9j4?si=oYxM3AkIDgmxADHV

standupmaths, to random

We need one more helper for our Maths Fest shows a the Royal Institution in London. Paid job for an undergraduate student studying something maths-related. 8, 9, 26, 27 Feb. https://maths-fest.com/ Email sarah@standupmaths.com for details.

standupmaths, to random

West Coast of USA show alerts!
I'm hosting "Mathematics: A Quick Revue" at the JMM in San Francisco, Friday January 5. https://www.eventbrite.com/e/mathematics-a-quick-revue-tickets-744572525467?aff=ebdssbdestsearch
Plus a full-on An Evening of Unnecessary Detail in LA on Sunday January 7. https://www.flapperscomedy.com/shows/an-evening-of-unnecessary-detail/72865/
I'll be around after both to say hi etc. See some of you there!

standupmaths, (edited ) to random

I'm hosting "Mathematics: A Quick Revue" in San Francisco on Friday, January 5th. Organised by Dan Margalit and Nancy Scherich, it's running alongside the JMM but anyone is welcome! https://www.eventbrite.com/e/mathematics-a-quick-revue-tickets-744572525467

standupmaths,

@gregsdennis I suspect we'll achieve both things.

standupmaths,

@SamiMaatta Thanks I've added that!

standupmaths, to random

Out of context youtube comments:
"I didn't expect my belief in the commutativity of multiplication to be threatened by the thought of having to balance a box on a flamingo"
https://www.youtube.com/watch?v=e1Kw3yJoNxw

standupmaths, to random

I am now two for two, appearing in a Bobby Fingers video. https://www.youtube.com/watch?v=VGhcSupkNs8

standupmaths, to random

I forgot to pack a nerdy coffee mug for the @BigMathsJam weekend. If anyone can bring one for me to borrow that would be much appreciated!

frenchguych, to random

Hey @standupmaths, regarding the Rubik's Cube problem on episode 072, why is not possible to fall into a loop that doesn't go back to the initial state, like A -> B -> C -> D -> B -> C ->.D ->B ... ? Is there only one way to go to state B ? Love the show ! (and, are there 450 dice in the jar ?)

standupmaths,

@frenchguych because all moves are uniquely reversible (at least, that is how I think about it) for a given move only a single state A can lead to B. PS No comment.

standupmaths, to random

We have officially sold 2^10 tickets to our Evening of Unnecessary Detail-palooza. 20 Nov on the Matilda set. Unbelievably, exactly when we sold 4^5 tickets as well. Get some of the last 2^7 orange dots here: http://fotsn.com/tickets

standupmaths,

@mclp I’m using the guest list as the error bars.

jdbartee, to random

@standupmaths
Not sure if you’re still on here.

But I was just listening to episode 071 of a problem squared. Is your card / present size / multiplication not just possible using logs? log(a) + log(b) = log(ab)?

Or is the point you’re finding more convenient values that also work.

Or do I just have to wait for Christmas, haha.

standupmaths,

@jdbartee It’s like a hand crafted log to use neat integers. Also: yes.

ColinTheMathmo, to random
@ColinTheMathmo@mathstodon.xyz avatar

This is an interesting read:

UK Address Oddities

https://paulplowman.com/stuff/uk-address-oddities/

standupmaths,

@ColinTheMathmo That is a great post. And because I work with Jane Street I can technically receive post addressed to 2½ Devonshire Square, London. (Which I think simplifies to 6.25 Devonshire.)

christianp, to random
@christianp@mathstodon.xyz avatar

Pals, convince me not to buy this t-shirt: https://www.threadless.com/shop/

standupmaths,

@christianp Me as well! Let me know if you find somewhere else with better print quality.

robinhouston, to random
@robinhouston@mathstodon.xyz avatar

Has anyone ever actually made these drums?

standupmaths,

@robinhouston I recently had some drums made. For a project currently on hold but I hope to complete soon. We should talk.

peterrowlett, to random

My son tried to solve a Rubik’s cube at the childminder, showing off since he does it routinely at home, but he got stuck. This is a plea for help!

We learned from the Think Maths instructions. At step 4 where the bottom ought to be a cross, dot, line or V, he says it did this - both line and V without being a cross. Then doing either the L move or the V move didn’t find a cross. I don’t know how to replicate the problem, so set up the yellow layer starting in this position (but without the first two layers solved). Playing around, we found we appeared to be stuck in a loop - depending on orientation we could sometimes rotate the line 90 or swap to a dot and back. I wasn’t able to inspect the childminder’s cube but he says the rest of the cube was two complete layers as it should be. Is this a situation that arises? What do you do if it does?

Think Maths Rubik’s Cube instructions screenshot showing step 4 - long, but available as a document online.

standupmaths,

@peterrowlett It means the cube is broken. Either someone moved stickesnaround or it broke and a piece was put back in with the wrong orientation. Often rotating a corner (takes a bit of force) can fix it but it’s trial and error.

standupmaths, to random

You said it gmail.

standupmaths, to random

Everyone is reporting on "Air traffic chaos caused by 'one in 15 million' event". https://www.bbc.co.uk/news/business-66723586

But the report says "This scenario had never been encountered before, with the system having previously processed more than 15 million flight plans" https://www.nats.aero/news/nats-report-into-air-traffic-control-incident-details-root-cause-and-solution-implemented/

christianp, to random
@christianp@mathstodon.xyz avatar

Wild how the same university that wanted to reduce my paid hours by 20 minutes each day to account for lunch breaks also wants me to come in on Saturdays to help with open days.

standupmaths,

@christianp If you then take a lunch break while not being paid, do you have to pay them?

christianp, to random
@christianp@mathstodon.xyz avatar

How is the world going to cope when YouTube shuts down?
Is it even feasible for the Internet Archive to keep a copy?

standupmaths,

@christianp I’m going to need a CV for the first time in a while.

tao, to random
@tao@mathstodon.xyz avatar

Sometimes a precisely defined mathematical concept can be in complete opposition to its colloquial meaning. I encountered this recently with the concept of two objects being incomparable. Mathematically, this means that neither object is greater than or equal to the other (with respect to some ambient partial ordering); however colloquially it is often taken to mean that one object is far greater than the other, which is almost the opposite meaning.

Another example I know of: if something is colloquially said to be "generally true" (i.e., true with only a few exceptions), then mathematically it will not be true in general (since "true in general" indicates that there are no exceptions whatsoever).

Are there other examples where the mathematical usage of a term is not merely different or orthogonal to the colloquiual usage, but is actually closer to being an antonym of that usage?

standupmaths,

@tao I find it funny that “countless” tends to be used by the public for discrete things which very much can be counted, there are just a lot to count.

Lay use of “periodically” means the opposite of being regular and is closer to meaning sporadic.

And I’d claim on a technicality that when people say “sphere” they mean all of the interval volume which is the ‘opposite’ to just the surface.

standupmaths, to random

I have my 27 tickets ready to go for a guaranteed win on tonight’s UK lottery! Maths! (PS I promise on 1.5% chance I make a net profit I will spend the money making maths videos.) https://arxiv.org/pdf/2307.12430.pdf

standupmaths,

@Origami_Alice Something video-based will come of it. But with no more than a day’s effort!

standupmaths,

Result! https://youtu.be/zYkmIxS4ksA

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