This LEGO Gear Train Takes 90 Trillion Years to Complete One Rotation - Yanko Design
Briefly

This LEGO Gear Train Takes 90 Trillion Years to Complete One Rotation - Yanko Design
"The Eternal Mosaic bridges the gap between abstract expressionism and mechanical engineering in a way that shouldn't work but absolutely does, turning the rigid geometry of De Stijl into a functioning monument to exponential mathematics."
"What makes this build technically fascinating is how it visualizes exponential decay in a way that your brain can actually process. The designer breaks down the timeline at key stages."
"Each of the 46 stages uses a simple 24-tooth to 8-tooth reduction, a 3:1 ratio that seems almost polite on its own. But compound that across 46 stages and the numbers become absurd."
"The final stage stretches out to 90 trillion years, which is 6,500 times longer than the universe has existed. Each gear is a canvas, a stepping stone through time rendered in primary colors."
The Eternal Mosaic is a 655-piece LEGO build that merges abstract art with mechanical engineering. It features a 46-stage compound gear reduction with a total ratio of approximately 9 billion trillion to 1. At 100 RPM, the first gear rotates every 0.6 seconds, while the final gear completes its rotation in about 90 trillion years. This build effectively visualizes exponential decay, with each stage representing significant time spans, from 10 hours to 90 trillion years, showcasing a unique blend of art and mathematics.
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