If you buy through a BGR link ... which are submerged in water. Sunlight activates the photocatalyst, splitting water into its molecular components. The gases can then be collected for storage ...

Heading to the lake? Here’s everything you need to bring to enjoy the day by the water. From essentials, to things you may ...

In one technique, long troughs of U-shaped mirrors focus sunlight on a pipe of oil that runs through the middle. The hot oil then boils water for electricity generation. Another technique uses ...