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Fasil — where people disagree well, so truth emerges where minds meet. 18 debate phases, AI evaluation, cryptographic voting.
@abd_yazouri · X

Interactive 3D visualization showing step-by-step derivation of Euler's identity e^{iπ} + 1 = 0.
@Sabrina7772 · X
I built my first app with Grok Build and had a lot of fun making it. It’s a little interactive lab for e^{iπ}+1=0. You start at 1, turn halfway around the circle, land on −1, then add 1 — and you can actually see why the equation works. Code: Any feedback is appreciated

Learn math through interactive quizzes with an AI tutor across 9 topics.
@TawiahHann7270 · X
Check out what I just built with Lovable!

Analyze your movement patterns and mobility with guided camera tests to reveal your Movement Age.
u/govariusgovictus · Reddit
He really, really wanted to build an app with me so we did it! Met this guy at a networking event and he kept insisting we build an app together. So we did it! The app: Previa A movement screening that runs straight in your phone browser. Prop up your camera, do a few guided mobility tests, an AI pose model tracks your joints and calculates your Movement Age - basically how old your body actually moves. Where you're restricted, where you compensate, how asymmetric you are. M

Add countries to an interactive map to see how the Mercator projection distorts their shapes.
@DamianGuzierowi · X

TurnKeeper is a fair Slack rotation app: round robin rotations, on-call rotation and standup rotation with an explainable, append-only ledger. EU-hosted, €19/month flat.
adriankurz · HN
TurnKeeper – Fair, explainable team rotations for Slack (no AI)

Write or AI-generate good news, bad news, or roasts, then send as suspenseful reveal links.
@extraextra411 · X
Check out what I just built with Lovable! #goodnews #badnews #roast

One hidden picture a day, same for everyone. Draw as little as you can before you name it, lower is better.
@lukkais · X

Complete quests to test Unicity Protocol infrastructure and earn XP.
@77auv7 · X
智能体最缺的不是算力,是底层安全。 @unicity_labs 社区版上线了,专为 AI Agent 打造的模块化 OS,走 Rust 微内核控制权限和成本,不用担心 Agent 乱跑。 尝鲜入口👇 #SphereQuests

Find the fairest meeting point for 2-10 people with AI recommendations for cafes, restaurants, and more.
MeetSpot 聚点 — 多人聚会地点智能推荐工具,输入 2-10 人地址,用球面几何算法计算公平中点,AI 评分推荐附近高评分场所,覆盖 350+ 城市,免费使用无需注册。

Remove AI watermarks from images and videos, or cut out subjects in your browser.
sumit_bighaniya · Product Hunt
Unmark Remove Gemini & Veo watermarks from images and video