Up periscope
Gunk on Floor (where do people get these names??) put together a great Instructable on making a spy periscope – it’s a classic kid’s project.
spy
Weekend Project: Parabolic Microphone
Here’s a an easy to make, dollar store DIY spy microphone that lets you listen from afar and bring the sounds up close. Thanks go to Jim Lee for the original article in Make Magazine. To download Parabolic Microphone MP4 click here or subscribe in iTunes. Check out the Parabolic Microphone article MAKE 14 “Parabolic […]
Weekend Project: Parabolic Microphone (PDF)
This dollar store DIY spy mic lets you listen from afar and bring the sounds up close. PDF
