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The Mathematics of Juggling [video]

https://www.youtube.com/watch?v=0FSWzr5kjhg
26•surprisetalk•5mo ago

Comments

vunderba•5mo ago
Great talk. He mentions how much more difficult (relatively) the circular-oriented shower pattern is than the standard cascade, even though both use three balls.

As an amateur juggler/magician, it's also an interesting point to consider from the perspective of your audience. The layman might not have a visible appreciation for the additional difficulty, as opposed to the keen eyes of professionals.

Claw pattern is another good one, since you don't have the luxury of allowing the ball to fall into your waiting hand but have to snatch them out of the air.

From a performative standpoint, I'm always trying to min-max—something that is trivial to learn but looks highly impressive.

TLDR: I hated learning faro shuffles.

out-of-ideas•5mo ago
very interesting; for those that made it to ~43mins in, i think this is "negative siteswaps" video mentioned: https://www.youtube.com/watch?v=_5Q4UhyajC4 ( and some more info here: https://juggle.fandom.com/wiki/Impossible_Siteswap_Animator )

We built another object storage

https://fractalbits.com/blog/why-we-built-another-object-storage/
60•fractalbits•2h ago•9 comments

Java FFM zero-copy transport using io_uring

https://www.mvp.express/
25•mands•5d ago•6 comments

How exchanges turn order books into distributed logs

https://quant.engineering/exchange-order-book-distributed-logs.html
48•rundef•5d ago•17 comments

macOS 26.2 enables fast AI clusters with RDMA over Thunderbolt

https://developer.apple.com/documentation/macos-release-notes/macos-26_2-release-notes#RDMA-over-...
467•guiand•18h ago•237 comments

AI is bringing old nuclear plants out of retirement

https://www.wbur.org/hereandnow/2025/12/09/nuclear-power-ai
32•geox•1h ago•24 comments

Sick of smart TVs? Here are your best options

https://arstechnica.com/gadgets/2025/12/the-ars-technica-guide-to-dumb-tvs/
433•fleahunter•1d ago•362 comments

Photographer built a medium-format rangefinder, and so can you

https://petapixel.com/2025/12/06/this-photographer-built-an-awesome-medium-format-rangefinder-and...
78•shinryuu•6d ago•9 comments

Apple has locked my Apple ID, and I have no recourse. A plea for help

https://hey.paris/posts/appleid/
865•parisidau•10h ago•445 comments

GNU Unifont

https://unifoundry.com/unifont/index.html
287•remywang•18h ago•68 comments

A 'toaster with a lens': The story behind the first handheld digital camera

https://www.bbc.com/future/article/20251205-how-the-handheld-digital-camera-was-born
42•selvan•5d ago•18 comments

Beautiful Abelian Sandpiles

https://eavan.blog/posts/beautiful-sandpiles.html
83•eavan0•3d ago•16 comments

Rats Play DOOM

https://ratsplaydoom.com/
332•ano-ther•18h ago•123 comments

Show HN: Tiny VM sandbox in C with apps in Rust, C and Zig

https://github.com/ringtailsoftware/uvm32
167•trj•17h ago•11 comments

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI

https://simonwillison.net/2025/Dec/12/openai-skills/
481•simonw•15h ago•271 comments

Computer Animator and Amiga fanatic Dick Van Dyke turns 100

109•ggm•6h ago•23 comments

Formula One Handovers and Handovers From Surgery to Intensive Care (2008) [pdf]

https://gwern.net/doc/technology/2008-sower.pdf
82•bookofjoe•6d ago•33 comments

Show HN: I made a spreadsheet where formulas also update backwards

https://victorpoughon.github.io/bidicalc/
179•fouronnes3•1d ago•85 comments

Will West Coast Jazz Get Some Respect?

https://www.honest-broker.com/p/will-west-coast-jazz-finally-get
9•paulpauper•6d ago•2 comments

Freeing a Xiaomi humidifier from the cloud

https://0l.de/blog/2025/11/xiaomi-humidifier/
126•stv0g•1d ago•51 comments

Obscuring P2P Nodes with Dandelion

https://www.johndcook.com/blog/2025/12/08/dandelion/
57•ColinWright•4d ago•1 comments

Go is portable, until it isn't

https://simpleobservability.com/blog/go-portable-until-isnt
119•khazit•6d ago•101 comments

Ensuring a National Policy Framework for Artificial Intelligence

https://www.whitehouse.gov/presidential-actions/2025/12/eliminating-state-law-obstruction-of-nati...
169•andsoitis•1d ago•217 comments

Poor Johnny still won't encrypt

https://bfswa.substack.com/p/poor-johnny-still-wont-encrypt
52•zdw•10h ago•64 comments

YouTube's CEO limits his kids' social media use – other tech bosses do the same

https://www.cnbc.com/2025/12/13/youtubes-ceo-is-latest-tech-boss-limiting-his-kids-social-media-u...
83•pseudolus•3h ago•66 comments

Slax: Live Pocket Linux

https://www.slax.org/
41•Ulf950•5d ago•5 comments

50 years of proof assistants

https://lawrencecpaulson.github.io//2025/12/05/History_of_Proof_Assistants.html
107•baruchel•15h ago•16 comments

Gild Just One Lily

https://www.smashingmagazine.com/2025/04/gild-just-one-lily/
29•serialx•5d ago•5 comments

Capsudo: Rethinking sudo with object capabilities

https://ariadne.space/2025/12/12/rethinking-sudo-with-object-capabilities.html
74•fanf2•17h ago•44 comments

Google removes Sci-Hub domains from U.S. search results due to dated court order

https://torrentfreak.com/google-removes-sci-hub-domains-from-u-s-search-results-due-to-dated-cour...
193•t-3•11h ago•34 comments

String theory inspires a brilliant, baffling new math proof

https://www.quantamagazine.org/string-theory-inspires-a-brilliant-baffling-new-math-proof-20251212/
167•ArmageddonIt•22h ago•153 comments