The Twins Paradox Explained: Why the Traveling Twin Is Younger
minutephysics · Explainer · 4 min · 2016 · YouTube title: Complete Solution To The Twins Paradox
Why it's here
HN commenters recommend it as an easy-to-digest explanation of time dilation and the twin paradox.
What it covers
A minutephysics explainer on the twins paradox in special relativity. It shows why the traveling twin ends up younger and how acceleration resolves the paradox.