# Explainers

> Formats: Explainers

- [Can sound do what quantum particles do?](https://emin.de/posts/can-sound-do-what-quantum-particles-do) (2026-10-13, explainer, Emin Mahrt.) Sound bends, spreads and interferes like electrons in the double slit. So is sound quantum? Where the comparison works and where it breaks. Markdown: [index.md](https://emin.de/posts/can-sound-do-what-quantum-particles-do/index.md)
- [What agent ready actually means](https://emin.de/posts/what-agent-ready-actually-means) (2026-09-11, explainer, Emin Mahrt.) Four public scanners now grade whether AI agents can read your site. Here is what each one measures, which checks a static host can never pass, and the exact files and headers that move the score. Markdown: [index.md](https://emin.de/posts/what-agent-ready-actually-means/index.md)
- [Crypto Explained #2: What are NFTs?](https://emin.de/posts/crypto-explained-2-what-are-nfts) (2021-10-16, explainer, Emin Mahrt.) The letters NFT mean Non-Fungible Token. Markdown: [index.md](https://emin.de/posts/crypto-explained-2-what-are-nfts/index.md)
- [Crypto Explained #1: What is Bitcoin?](https://emin.de/posts/episode-1-what-is-bitcoin) (2021-07-15, explainer, Emin Mahrt.) Bitcoin, from a non technical perspective Markdown: [index.md](https://emin.de/posts/episode-1-what-is-bitcoin/index.md)