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Denys Rybalka's Blog

Welcome to my personal blog, experimentation platform, and a monument to my vanity

Personal website

Building a personal website is easier and more rewarding than you might think.

AWS IAM is for the rich

The full complexity of AWS's IAM is overkill for most projects, and why newer cloud providers don't bother replicating it.

Fixing physics in Portal

The infinite-fall trick in Portal violates conservation of energy, so I solve the gravitational field around portals numerically and show what the physics should really look like.