With an ability to turn friction into small amounts of electricity, triboelectric generators may one day be used in clothes that turn movement into power, in battery-free brain implants, and a host of ...

A standard part of travel kit for the 2020s is now a battery pack — a hefty lithium-ion cell with onboard electronics for USB charging, that ensures all of our devices stay topped up while we’re out ...

I’m inclined to put up [nuxie1]’s function generator how-to because he also submitted a very nice Design Challenge entry. The generator is based on the cheap XR2206 IC which will generate functions at ...

If the past two sultry summers taught us one thing, it’s that we never want to be without power — for air conditioning, other appliances, and devices — especially when we need it most. That in itself ...

companies rely on generators as a primary source of electricity rather than the are some companies that prefer renting though, because if you rent it’s for a specific period during which you need your ...

A high-efficiency steam generator for the purification and desalination of water can be built using cheap and natural materials such as cellulose. It has been estimated that in 2040 a quarter of the ...