Discover how to harness the motion of a swinging pendulum to generate electricity and charge your smartphone in this hands-on ...

Developed by Barnaby Brown, a retired engineer, The Lost Generator is designed for accessibility, offering beginner-friendly instructions to help users reduce electricity bills, prepare for outages, ...

A signal generator is a handy bit of kit and with the right components, it’s pretty easy to build one. Fabricating a proper signal generator probe is another matter entirely. [Frank]’s DIY signal ...