It's easy to dismiss solar lights out of hand. Charging appliances from sunlight is great in theory, but what happens on a cloudy day? However, electrical experts have reassured me these lights can ...

Humans have harnessed the sun's energy for heat and light in various ways for centuries. From housing designs featuring thermal mass heated by the sun, to solar powered ovens and greenhouses, the ...

If you stop to think about it, it’s a marvel that we can harness energy from the sun. But we do, thanks to solar panels equipped with photovoltaic cells that convert sunlight to electricity. That’s no ...