[Leafcutter] is big in to making music and has put together all sorts of musical instruments and tools over the years. Recently, he was inspired to make his own piezo crystals, and wrote in to share ...

Listening to what’s going on under the sea matters greatly. Mapping the ocean floor, monitoring whale migrations, repairing the next Deepwater Horizon: each of these tasks relies on or can be aided by ...

Most consumer-grade cameras these days come with adequate microphones built in. However, as with all hardware made down to a price point, there’s room for improvement. [M. Ploegmakers] decided to whip ...