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How to Experiment with air pressure using a water glass trick

"How to Experiment with air pressure using a water glass trick" cover image

Steve Spangler shows a science experiment in which a glass of water is able to suspend a card in mid air.

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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