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Atom Models Timeline

German This item is in German.

Interactive timeline of atomic models, showing what was known in any given year, from Dalton (1808) to the nuclear shell model (1949). Made for secondary-school chemistry.

Description excerpted from the original listing, which is linked below.

Open it Source code Open in English

The English version is the original site passed through Google Translate. Nothing is translated or stored here.

Facts

Published: 19 Sep 2026 (29d ago)
Medium: web
Language: German (the page says so itself)
First seen: 11 Oct 2026, 21:13 UTC

Built with

Claude Code: confirmed
the agent's own trailer in the repository's commit history

What we can see

68 hygiene score

Certificate issued by YR2, 67 days remaining
Cookie attributes no cookies set
Credentials and payment does not ask for either
No strict transport security
Served over HTTPS
Mail authentication neither published
No insecure resources
Redirects none
Security headers 0 of 5 set
Third-party origins none
Transport security TLS 1.3

Observed 11 Oct 2026 by fetching the page as a browser would. This describes hygiene and transparency, not safety: a missing header does not make a site dangerous, and a complete set does not make it trustworthy.

Made this?

Show it on your own site or README. It links back to this page.

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For a web page

<a href="https://bitsexplorer.com/i/2746406/atom-models-timeline"><img src="https://bitsexplorer.com/badge/2746406.svg" alt="Featured on BitsExplorer" height="22"></a>

For a README (Markdown)

[![Featured on BitsExplorer](https://bitsexplorer.com/badge/2746406.svg)](https://bitsexplorer.com/i/2746406/atom-models-timeline)

Changes we have seen

11 Oct 2026 first indexed

Atom Models Timeline

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