---
title: Presenting at tiny ruby on Friday, November 21, 2025!
teaser: Booleans and ractors on stage in Helsinki.
tags: ruby,conferences
author:
- Louis Antonopoulos
- Sarah Lima
published_on: 2025-11-19
---

This Friday, on November 21st, Sarah Lima and Louis Antonopoulos will be
presenting at the [tiny ruby](https://helsinkiruby.fi/tinyruby/) conference in Helsinki, Finland.

If you're attending, we'd love to talk to you about Ruby, Rails, what it's like to work with (or at)
thoughtbot, or, really, anything you like!

## Presentations

### Sarah

`Revisiting Booleans in Ruby`

Sarah will talk about how Ruby interprets truth, looking beneath the surface at how booleans are actually built inside the interpreter, and how these internals influence the way developers should model objects in real Ruby applications.

### Louis

`Unlocking the Rubetta Stones: Translating a Hoard of Ancient Tablets with Ractors and AI`

Louis will take you on a ~~deep~~ medium dive into
[Ractors](https://docs.ruby-lang.org/en/3.4/ractor_md.html),
a parallel execution feature of Ruby, while also digging a little into basic cryptography and
what it's like to pair-code with Claude...or rather, his trusty AI adventuring archaeologist partner, Rubyana Gems!

Their goal: live on stage, break 5 rapidly rotating ciphers on a set of tablets in under 60 seconds to unlock a deeper mystery from the beyond.