Learn how to use household items to make a pulse jet engine that really works out of a jam jar. Pay attention to safety because the jam jar may explode when you make your pulse jet engine.

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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