Flashing traffic lights, downed trees and other traffic impediments are a nuisance and many factors determine how cities and police departments handle them -- or not.

Alex Tsatoulis grew frustrated with lack of lighting along the Midtown Greenway in Minneapolis, so he ordered some lights and ...

Learn how to build an automatic lighting system in Minecraft using redstone, daylight sensors, and lamps. This design activates lights at night, improving visibility and adding convenience to survival ...