# @optica.worldwide on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DPRcfIoD0sp
- **Gondola URL:** https://gondola.cc/posts/35185862-opticaworldwide-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/2a32596970.jpg
- **Posted:** 2025-10-01T16:01:41.000+00:00
- **Account Owner:** Optica (@optica.worldwide) — https://gondola.cc/optica.worldwide

## Caption

Hot coffee poured into a ceramic mug bubbles up rapidly, generating a myriad of self-similar, curved reflectors that include images of the ceiling light gleaming at different scales.

—Jaeyoun Kim, Iowa State University, Ames, Iowa, USA

Happy #InternationalCoffeeDay

## Stats

- **Views:** 0
- **Likes:** 153
- **Shares:** 0
- **Comments:** 1

## Tags

internationalcoffeeday

---
Copyright (c) Gondola