Portable solar generators offer a green solution for powering up during electrical outages or off-grid excursions. Find out how today’s top models fared in our hands-on tests.

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 ...

Power outages are a huge pain, and can seriously disrupt your life. Stop worrying about what will happen to the food in your fridge or your pipes in the winter should you lose power, and invest in a ...

Solar generators and power banks aren’t just great for emergencies; they take camping and tailgating to a whole new level. As someone who has several hobbies that require keeping batteries charged ...

Many Clevelanders are using portable generators that run on gasoline during this most recent power outage. This can be done, but the option can be dangerous and has its limitations, Shepp said. A ...

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 ...

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 ...