A swamp fan is an air conditioning substitute that blows air over cool water to cool a room. If you live in an AC-free dorm room, house, or apartment, it's not too hard to build one yourself, and this video will show you how to do it.

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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