SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

If you have multiple microphones in known locations, and can determine the time a sound arrives at each one, you can actually determine the location that sound is coming from. This technique is ...

You’re probably not going to hang out around Chernobyl any time soon. Still, knowing the conditions there can both satisfy ...