[ChrisMentrek] shares a design for a simple green LED signal light intended for experiments in “talking” to fireflies. The device uses simple components like PVC piping and connectors to make ...
Editors Note April 24, 2026: We recently tested out two new Maglites: the ML25LT and our new best overall pick, the ML150LR. In addition to this, we are working on testing out the the ThruNite LED ...
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