Last Second · What If

Last Second turns the craziest "what if" questions into short animated science stories — real physics, real numbers, and a lot of things going very wrong for Dave.

🚀 Space • ⚛️ Physics • 🌍 Earth • 🧠 Mind-blowing facts
📅 New Shorts every day

Got a "what if" you want to see? Drop it in the comments — the best ones become videos.