You can save a little power in a lot of places. These solar gadgets cover household cooling, portable power, trickle charging ...

Lawal Sheriff Olakunle with his solar fan. Living in Lagos, 33-year-old Lawal Sheriff Olakunle is used to electricity shortages. He considers 10–15 hours of electricity a day to be stable power. But ...

There are a variety of situations where you want to cool off an area that doesn't have an electrical outlet nearby, like a shed or greenhouse, or a space that's tough to access, like an attic. You can ...

From camping gear to emergency backups, these Amazon picks blend solar charging with USB-C for flexible power at home or ...

The easiest way of making a solar fan is to connect the solar PV panel to a DC fan of a matching voltage and power rating. This simple arrangement does work, but has few serious drawbacks: The system ...

Beat the heat with solar or rechargeable fans. Discover the best options for eco-friendly, cost-effective cooling in Nigeria. I’ve found myself wishing for a solar fan every time my rechargeable fan ...

Cooling your home this summer will likely cost more than ever. Across the U.S., residential electricity bills are climbing fast, just as forecasters warn of another season of unrelenting heat.

Professor Shanhui Fan and a team at Stanford University have built what they call “moonlight panels,” devices that generate electricity after the sun goes down by exploiting the temperature difference ...

Breathing new life into the ordinary bus stop isn’t as simple as it might sound, but Metro officials are giving it a spin in the hopes of slightly cooling riders down. A prototype shelter aimed at ...