Meanwhile, the electricity produced could chip away at utility bills over time.

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 ...

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 ...