I'm probably showing my age here, but when I was in grade school, I loved playing with my solar powered calculator. If I ...

A solar-powered calculator. Its solar cells are just above the buttons, on the right. These cells generate the energy needed to make the calculator work. (PaulPaladin / Alamy Stock Photo ...

You can harness the power of the sun's rays to charge your electric vehicle. Here's how many solar panels you'll need to do it. Driving an Electric vehicle is one way to help reduce the impact you ...

Though costly to implement, solar energy offers a clean, renewable source of power. 3 min read Solar ... and handheld calculators. The cells are made of semiconductor materials like those found ...