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How to Make a paper envelope turn invisible to see what's inside

Desperately want to see what's inside an envelope without anyone knowing you've snooped? There's an easy trick you can use to make paper turn invisible - just long enough to read through it without leaving any trace behind! You just need to get your hands on some hexanes.

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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