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13:54
Processing a Haystack of Over 13 Million Straws in an Automated Factory to Find 6 Needles: A Find The Needle Demo Playthrough
Find The Needle is a game about finding needles in a haystack. In this video, the demo is played from start to finish with commentary voiced by Yuzuki Yukari. It begins with carrying straws by hand on
19:03
Recreating the Not-for-Sale "Sapporo Ichiban Fried Rice Seasoning" with Store-Bought Sapporo Ichiban Shoyu Flavor
The "Sapporo Ichiban Fried Rice Seasoning" that Ryuji introduced in a previous video is a seasoning based on Sapporo Ichiban Shoyu Flavor, and both Ryuji and the staff rated it as "insanely good." How
40:35
Why Rejection Can Feel Like Terror: Gabby Bernstein on Anxious Attachment, Love Addiction, and Checking In
Matthew Hussey opens this conversation with one question. When someone pulls away, why does that person suddenly become the most important person in the world to us? Gabby Bernstein, who describes the
23:05
How Effective Is Combining Oral Vitamin C with Topical Tranexamic Acid? Reading New Research from Daiichi Sankyo Healthcare
Cosmetic chemist Kazunosuke explained a research presentation by Daiichi Sankyo Healthcare. The presentation reported that taking vitamin C and similar ingredients orally while applying tranexamic aci
36:50
Sandra Matz on How AI Reads Our Minds, and What It Gets Wrong
Can AI understand a person better than their spouse or family can? And if so, should that be a source of fear or of help? In this one-on-one interview on TBS CROSS DIG with Bloomberg, host Ryuichiro T
9:52
Why Are More Young Europeans Getting Cancer? Rising Early-Onset Rates, Their Limits, and Europe's Screening Gaps
This episode of ARTE Europe Weekly asks why diseases once associated with old age, including breast, bowel and skin cancer and glioblastoma, a form of brain cancer, are increasingly being diagnosed in
24:59Shredded Cabbage Hot Pot Made with Just Cabbage and Pork: Why Ryuji Insists on Hand-Cutting, Adding the Pork Last, and Finishing with Malony
This is a sponsored (PR) video in which culinary researcher Ryuji introduces a hot pot made with Mizkan's "Kaori no Kura Marushibori Yuzu." There are only two ingredients: cabbage and pork. Even so, R
8:28
Vishay MEPIC: The Chip Component Built to Burn
At first glance, the Vishay MEPIC looks like an ordinary chip resistor. In this video, the presenter, Ichiken, explains that it is actually designed to be burned. He bought a few from DigiKey and want
28:09
Distributing Rails Apps as Self-Hosted Software with ONCE
Kevin McConnell of 37signals argues that SaaS isn't the only way to ship a Rails application. You can also give customers a copy of the software to run on their own hardware. His talk covers three thi
25:05Inside the RubyGems Compact Index: How bundle install Finds Gems, and What's Changing
Jenny Shen, a senior developer at Shopify based in Ottawa and a maintainer and operator of rubygems.org, gave the last talk before the closing keynote at Rails World. The subject was the RubyGems comp
27:28Teaching AI Agents and Human Contributors Through Custom Rails Generators
Rachael Wright-Munn is one of four maintainers of RubyEvents.org, an open-source application that indexes Ruby community events. Her Rails World 2026 talk asks how to teach both AI agents and a growin
32:28Twelve Ways to Get Burned by Hotwire: Jeremy Smith's Practical Tour of Stimulus and Turbo
Jeremy Smith's Rails World talk asks a simple question: experienced Rails developers know what can hurt them in Rails, but do they know what can hurt them in Hotwire? He frames the talk as a hot-sauce
23:13Seeing MCP From the Inside: An Inspector, a Warm Rails Process, and the Problem of Too Much Context
Enrique Mogollan, a software engineer at Handshake, says that a year ago MCP seemed to be everywhere: in the editor, in the agent harness, in the chat. They could recite the one-line definition: MCP i
29:08Hotcell: Sandboxing Active Storage After an AI-Discovered Rails Vulnerability
Mike Dalessio, the newest member of the Rails Core team, had planned to give a Rails World talk about a Markdown API for Action Text. He described it as "conference driven development": get the talk a
23:08Sharding Is Hard, So Draw Good Boundaries: Tess Griffin on Shard Keys, Routing, and Proxies
What do you do when your database has outgrown the biggest machine you can buy? Tess Griffin, a senior developer at thoughtbot, works through that question using a fictional multi-clinic healthcare ap
26:38Inside Solid Cable: How a Polling, Database-Backed Action Cable Adapter Catches Up to Redis
Nick Pezza wrote and maintains Solid Cable, the Active Record–based adapter for Action Cable. In this session he explains how it works internally, benchmarks it against the Redis and native Postgres a
34:46Durable Orchestration on Rails: Turning Active Job Continuations into Workflows
Vladimir Dementyev leads a backend team at Evil Martians and has contributed to Rails for about a decade. In this talk he looks at how teams coordinate multi-job processes today: pipelines, batches, t
28:07Following kamal deploy From SSH to Proxied Requests: Josef Strzibny's Kamal Deep Dive
Josef Strzibny calls themself a "Kamalholic." It started with deploying a few apps and writing a blog post. Then came the first book on Kamal, a video course, a magazine article, and a series of confe
21:38How a Designer Started Shipping Production Rails: The Harness Behind a 7,000-Line PR
At Rails World, Telos Labs software engineer Alicia Rojas and product designer Arely Rivera described how Arely went from not knowing how to run a Rails project to shipping front-end changes into prod
17:21Agents on Rails: Building a Proactive AI Pipeline from Plain Rails Jobs
Daniela Velasquez's talk asks how to put agents "on Rails," and also how to keep them on the rails once they start producing output. Her position is that you don't need an extra framework. A proactive