IEEE Spectrum Geek Life Channel

1. What Does It Take to Keep a Classic Mainframe Alive?

   Follow the saga of the Computer History Museum's IBM 1401

2. Build Your Own Professional-Grade Audio Amp on the Sort of Cheap

   Get amazing stereo sound with 3e Audio’s Class-D amplifier board

3. 3e Audio Amp Construction

   Tips and the Bill of Materials

4. Building a Time Machine for Radio

   The Radio Spectrum Archive will let you listen to old broadcasts as if they were live

5. Foldscope: A Paper Microscope You Can Attach to Your Smartphone

   Origami-inspired microscopes cheap enough for every student