Show HN: Physically accurate black hole you can put in your room
this is a simplified viz · for science-grade rendering →
Synchray.jl
Sasha
(Alexander)
Plavin
›
Black hole playground
Choose your view ✨
⚠️ This needs WebGL2, which isn't available on this browser/device — it won't render here.
🖥️ Regular Display
Explore the black hole on this screen
Unsupported on this device Open in Chrome on Android
📱 Augmented Reality
We have a black hole at home
Unsupported on this device Open in a VR headset
🥽 Virtual Reality
Can you touch it?
📷 Camera
All-distorting black hole at your fingertips
Modes
Switch camera
How it works
Once you click Generate, Ollama reads this article and crafts 5 comprehension questions. Your answers are graded against the article content — general knowledge won't be enough. Score 70+ to count toward your certificate.
Questions are cached — you'll always get the same 5 for this article.