This video shows an updating of the famous Magdeburg experiment carried out by Otto von Guericke in 1654 using two metallic hemispheres to show the effects of atmospheric pressure - try it for yourself!
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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