We may earn a commission when you click links to retailers and purchase goods. More info. There are both paid and free versions of it, with the full giving you the ability to customize a number of ...

Last week, I wrote a piece about how notification LEDs on mobile devices were a dead art form. That editorial generated a lot of interesting discussion, and a recurring theme in the comments was the ...

Grid-powered street lighting is something that many of us take for granted, but there are parts of the world where electricity is a scarce resource and when the sun goes down, local pedestrian traffic ...