Want to find out if your neighbors are talking about you? You could always hack their webcam or turn your iPhone into a secret spy camera, but unless you have a key to their house, that could be tricky to do without getting caught.

With this DIY parabolic microphone from the folks over at GBPPR, you can listen in from a distance and do your sleuthing without ever leaving the couch. A parabolic microphone uses a parabolic reflector to focus sound waves onto a receiver. This makes it a lot more sensitive than a normal microphone (think of it like a satellite dish for audio). They’re used for… more


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