Ever wonder what goes on inside the engine of your car? Can you imagine at 5000 rpm there are 80+ explosions every second? Here's a DIY internal combustion engine that'll show what all that noise is about!
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Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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