Why Puerto Rico still has no electrical power and how to fix it
Hurricane Maria is long gone but almost all of Puerto Rico has been left without a power supply, and restarting the national grid from scratch will be very difficult
Bacteria made to turn sewage into clean water – and electricity
A self-powered waste water treatment plant using microbes has just passed its biggest test, bringing household-level water recycling a step closer
How to Build a Super Simple Electric Motor Out of Stuff You Already Have
This electric motor is fairly simple to build and uses materials that you can probably find around the house.
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