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Show HN: On device gesture detection used for a Stranger Things inspired prank

https://stranger-browsers.stream/
1•howieyoung•2h ago
A browser experiment: a webcam gesture triggers an Upside Down transformation. Privacy: on device detection only, no recording, no upload.

Comments

howieyoung•2h ago
Hi HN, I built this as a small browser experiment.

How it works • Toggle “Eleven Mode”, grant camera permission, then show a palm toward the webcam • Gesture detection runs entirely on device in the browser using [MediaPipe Hands] • Once triggered, I apply a lightweight set of DOM and visual effects to create the “Upside Down” transformation

Privacy • Camera is used for on device gesture detection only • No recording, no upload

What I’m exploring • The practical ceiling of on device gesture recognition in real world conditions (lighting, camera quality, background noise), and what it takes to keep latency low enough for a “feels instant” UX • How far AI assisted coding can take a real time interactive web experience before manual performance work becomes the bottleneck

Feedback I’d love • OS + browser + device, and whether it triggers reliably for you • Any performance issues or onboarding confusion • Did you find any easter eggs, and which one is your favorite

Ant societies rose by trading individual protection for collective power

https://entomology.umd.edu/news-events/news/ant-societies-rose-trading-individual-protection-coll...
1•hhs•1m ago•0 comments

Ask HN: Why do QR codes need so much visual real estate?

1•rishikeshs•5m ago•0 comments

Everyone should be using Claude Code more

https://www.lennysnewsletter.com/p/everyone-should-be-using-claude-code
1•bilsbie•5m ago•0 comments

Apple didn't have to go this hard [video]

https://www.youtube.com/watch?v=x4_RsUxRjKU
1•igravious•6m ago•0 comments

Show HN: Research repo for a time-based macroeconomic valuation model

https://github.com/ArturGrandi/grand-time-architecture
1•AGsist•6m ago•0 comments

On British Roads, Chinese Cars Are Racing Ahead

https://www.nytimes.com/2025/12/17/business/britain-china-cars-byd.html
1•bookofjoe•6m ago•1 comments

Show HN: Discord bot that reminds you to commit daily

https://github.com/NKMAK/commit-reminder-discord-bot
1•nkmak•7m ago•0 comments

China Seen Overtaking U.S. as Global Superpower (2011)

https://www.pewresearch.org/global/2011/07/13/china-seen-overtaking-us-as-global-superpower/
1•lawrenceyan•14m ago•0 comments

A development tool I cannot live without: bin/merge_master_into_all_git_branches

https://www.semicolonandsons.com/articles/merge-master-into-all-git-branches
1•jackkinsella•19m ago•0 comments

Grok Official Full Fixed Point Engine Release Google Suppressing

https://github.com/AnalyticalAgnosticAndrewRusher/VCH-Fixed-Point-Game-Engine-VIsualizer
1•ApexSignalAndy•20m ago•2 comments

Data center deals hit record $61B in 2025 amid construction frenzy

https://www.cnbc.com/2025/12/19/data-center-deals-hit-record-amid-ai-funding-concerns-grip-invest...
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DraftKings hopes to score big with new prediction markets app

https://www.cbsnews.com/news/draftkings-prediction-markets-app-sports-betting/
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Laws That Do Harm (1982)

https://miltonfriedman.hoover.org/internal/media/dispatcher/214279/full
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https://turtosa.com/blog/from-zero-to-rag
1•kevinroleke•34m ago•0 comments

Google and Apple warn employees on visas to avoid international travel

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7•SilverElfin•35m ago•2 comments

Climate change's hidden price tag: a drop in our income

https://news.arizona.edu/news/climate-changes-hidden-price-tag-drop-our-income
2•geox•38m ago•2 comments

HoustonTracker2 – A Music Sequencer for the Texas TI-82

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TailwindSQL: Like TailwindCSS but SQL.className your way to database queries

https://tailwindsql.xyz/
1•sawirricardo•40m ago•0 comments

This is a duplicate. Please delete it.

https://community.ntppool.org/t/ntp-at-nist-boulder-has-lost-power/4192
1•nobody9999•43m ago•1 comments

HBM Supply Curve Gets Steeper, but Still Can't Meet Demand

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1•rbanffy•44m ago•0 comments

U.S. Plans $80B Nuclear Power Expansion

https://spectrum.ieee.org/80-billion-us-nuclear-power
4•rbanffy•46m ago•1 comments

When creating images, AI keeps remixing the same 12 stock photo clichés

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1•rbanffy•48m ago•0 comments

C-reactive protein outpaced 'bad' cholester as leading heart disease risk marker

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4•bikenaga•50m ago•1 comments

STPA (System Theoretic Process Analysis) at Google

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Rcarmo/Guerite: A Watchtower Replacement

https://github.com/rcarmo/guerite
1•rcarmo•55m ago•0 comments

OpenWRT 25.12.0-RC1 Released

https://downloads.openwrt.org/releases/25.12.0-rc1/
2•josteink•1h ago•0 comments

OpenWRT 24.10.5 Released

https://openwrt.org/releases/24.10/notes-24.10.5
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Why the fuel-switch story does not explain the AI171 crash

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1•sltr•1h ago•1 comments

Show HN: Calcu-gator.com – Financial calculators for Canadians

https://calcu-gator.com/
2•Nitromax•1h ago•0 comments

Monte Carlo Cubes

https://thevesselshortstories.substack.com/p/monte-carlo-cubes
1•kawrydav•1h ago•0 comments