Use alginate to make a mold and cast of an arm. Watch this video for a detailed list of needed ingredients and step by step instructions on how to do it yourself. This is a good technique for sculpture or special effects.
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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