IEEE Spectrum Geek Life Channel

1. Use Your Bike as a Backup to Your Backup Power Supply

   Combining solar and pedal power should get you through most outages

2. Banking, Cash, and the Future of Money

   A new book argues that for two thousand years, the nature of money has been trust—despite being constantly reinvented

3. The Intense Sound of 1,000 Analog Oscillators

   “Look Mum, No Computer” celebrates volts over bits

4. Retrofit a Polaroid Camera With a Raspberry Pi and a Thermal Printer

   Get black-and-white images instantly, and save high-resolution color images for later

5. How I Helped a Disabled Friend With a Cycle-By-Wire Recumbent Trike

   Engineering couldn’t cure a devastating illness, but it could still help someone cope with it