Iris' new solar generator has a handy feature you don't often see on units like these: the ability to follow the sun around the sky. The Iris T1 has a 32-W solar panel that can rotate on two axes to ...

I love solar panels, but using them isn't as simple as plugging a rechargeable battery into the wall. 400W panels often provide 200 watts of power, and that number can get even lower if you're not ...