Tim Halbur

Photographer Colin Rich created this mesmerizing video of the endless urban fabric of Los Angeles at night.

Cities across the U.S. are increasingly looking to technology to improve the public participation process and increase the ways citizens can engage with the government. Chief technical officers are becoming more common.

Want to speed up your transit? Follow San Francisco's lead and let your passengers enter any door they please, says Yonah Freemark. A pilot program on the J-Church line is testing out the idea.

Jenny Sullivan of Builder Magazine spots a trend for slightly increased densities in suburban towns, creating urban-lite communities that are attracting city dwellers who would never have dreamed of living in the burbs.

Researchers in China have reportedly created an insulation material that can "retain and release heat according to specific temperature requirements."