Video explains how to make and use invisible ink with stuff you find around the house. How to create secret messages for spy kid use and the secret to decoding the message. Use this as inspiration for one of your April Fools Day pranks!
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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