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Things you can nerd out on this week: • How a mechanical watch works. Long before batteries powered our devices, watchmakers were building incredibly precise mechanical movements using nothing more than gears, springs, and an escapement. It’s still one of the most impressive feats of mechanical engineering. • Formula 1 carbon brakes. F1 cars can slow from over 200 mph in just a few seconds. This breakdown explains how carbon brake discs handle extreme temperatures and generate enough stopping power to survive an entire race. • The James Webb Space Telescope. From its massive sunshield to its gold-coated mirrors, every part of Webb had to unfold perfectly in space. See how one of the most advanced engineering projects ever built is helping us look deeper into the universe than ever before. • How movie visual effects are made. Modern films blend practical effects, CGI, motion capture, green screens, and compositing so seamlessly that it’s often impossible to tell what’s real. This video breaks down the technology behind blockbuster VFX.