Tech

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Reuters/Paul Hackett

This Scottish Island Is Nearly Free of Fossil Fuels

Eigg's main grid is powered mostly by wind, water, and sun.

CityFixer
ChameleonsEye/Shutterstock.com

A Danish City Is Using GPS to Track (and Help) the Homeless

An opt-in program in Odense aims to use the data to bring services to the homeless where they already congregate.

Jen & Elwood/Flickr

Personal Rapid Transit Is Probably Never Going to Happen

But the podcar concept will live on in the form of compact driverless vehicles.

AirVR/Kickstarter

Finally, a Way to Strap an iPad Directly to Your Face

The AirVR brings virtual reality closer than ever.

YouTube/PrankDial

Trolling People Who Want to Be on 'Humans Of New York'

Actor Tyler Fischer walks around the city claiming to be the man behind the insanely popular blog HONY.

Maps
Todd Schneider

An App That Solves the Famed 'Traveling Salesman Problem'

What's the shortest route, if you're visiting each city exactly once and then returning to the point of origin?

Vinogradov Illya/Shutterstock.com

Introducing 'City Makers: Global Stories'

Our new series about the people and ideas reshaping urban life all over the world, from the ground up.

Videos

How About a Crosswalk Light that Dances?

The makers of this gyrating Do Not Cross signal say it reduces jaywalking by 81 percent.

Honolulu Authority for Rapid Transportation

Honolulu Is Building America's First Fully Driverless Transit System

But there are doubts about whether it will inspire other U.S. cities to follow suit.

The Heavy Projects on Vimeo

This App Transforms Subway Ads Into Fine Art

Make your commute a "curated art experience" through augmented reality.

CityFixer
Shutterstock.com

Attention Cities Looking to Engage Immigrants: Don't Dismiss the Smartphone

A new report highlights how civic smartphone technology could be a huge help to recently arrived immigrants.

Courtesy BART

How San Francisco Is Designing Its Metro Train of the Future

BART cars are about to get their first real overhaul since the system launched in 1972.

Flickr/Garry Knight

The New Alchemy: How Self-Healing Materials Could Change the World

Scientists are cooking up asphalt, concrete, and metals that heal themselves. That means smarter and stronger infrastructure—and just a dash of magic.

David Zinck

An Urban Lab Helps Cities Switching to LED to See the Light

Cities considering a move to LED street lamps can see them in action at the Danish Outdoor Lighting Lab.

Flickr/Michael Dorausch

You Now Have a Legal Right to Write Bad Yelp Reviews in California

California businesses will now face penalties if they try to fine customers for negative comments.

Zajac/Flickr

The Awful Reign of the Red Delicious

How the worst apple took over the United States, and continues to spread

Reuters/Carlo Allegri

The Rise of Real Estate Tech

Another feather in New York’s cap: It's home to the nascent high-tech real estate industry.

Horia Varlan/Flickr

The Traffic Lights of Tomorrow Will Actively Manage Congestion

The humble traffic signal is gaining some new responsibilities.