Illuminate your yard or balcony and create a festive atmosphere with the best solar string lights. See shopping tips, top picks, and test results here.

Small-scale solar panels about the size of a door are poised to be plugged into more U.S. homes and apartments as homeowners ...

The researchers skipped the acid bath. Instead, they melted the solder at 450 degrees Celsius (842 degrees Fahrenheit) to separate it from the copper. Then they used vacuum distillation at 1,150 ...

A salt called guanidinium thiocyanate can improve the efficiency and stability of perovskite solar cells, a new class of ...

Construct this simple solar still DIY project. Once you learn how to make a solar water distiller, you'll never need to buy distilled water again!

If you were to pick a social invention with greatest bang-for-buck value, you might plump for a solar lamp. These cheap simple devices are life-changing because they’re relatively cheap, simple ...

Here are instructions on making two simple solar viewers using regular household items.

Here are instructions on making two simple solar viewers using regular household items.

Here are instructions on making two simple solar viewers using regular household items.