Tech

Veloloop/Kickstarter

This Bicycle Gadget Makes Red Lights Turn Green

The "Veloloop" emits a low-frequency signal to alert traffic sensors to a cyclist's presence.

neelsky/Shutterstock.com

Here's One Way Earthquake-Prone Cities Are Thinking Ahead

"Rival" ports across Puget Sound are using game-like simulations to plan their responses—before a big one hits.

Related-Oxford

Quantifying the Livable City

NYU's Constantine Kontokosta sees Big Data as a tool not just for saving energy—but for making cities healthier, more resilient, and more equitable.

SERIES

City Makers: Global Stories

The people and ideas reshaping urban life

Toria/Shutterstock.com

When and Where Does the Internet Sleep?

A peek at the global rhythm of Internet usage.

Maps
Morphocode

Mapping the Age of Every Building in Manhattan

A new tool called Urban Layers tracks Manhattan's rise, block by block, since 1765.

Reuters/Mai Langsdon

What a Hacker Can Learn About You From a Coffee Shop's WiFi

Over public networks, the barrier to your personal details is pretty darn low.

CityFixer
eyeidea/Shutterstock.com

One Way to Avoid Flight Delays: Help Air-Traffic Controllers Do a Better Job

Hamsa Balakrishnan develops algorithms that help controllers and pilots better manage who's taking off and when.

NASA

This Weekend There Could Be Auroras—on Mars

NASA says it's a “once-in-a-lifetime event.”

Chuan Wang

China Disrupts the Rain Gear Industry with the 'Air Umbrella'

This weather wand blows raindrops 3 feet away (and perhaps onto other people).

Just in Time for Halloween Comes the Terrifying 'Jack-O-Lantern Sun'

This guy looks like he'd eat the Man in the Moon for breakfast.

Steve Cadman/Flickr

Big Data Can Peer Into Your Soul Based on Your Zip Code

Software company Esri's database files Americans into 67 different consumer groups—with eerie accuracy.

AP Photo/Eric Gay

Adapting America's Public Libraries for the Digital Age

A new report from the Aspen Institute discusses the future of an important institution.

Sam Sturgis

Mapping Africa's Growing Tech Hubs

Are you a tech entrepreneur? Check out nearly 100 innovation labs across Sub-Saharan Africa on this interactive map.

REUTERS/Kim Kyung-Hoon

Why the U.S. and Europe Have Little to Fear From the Rise of Chinese Science

Beijing is the world's top science city, but Chinese policies will prevent China from becoming the world's top science country.

dailoPhoto / Flickr

The Future of Transportation Is Not All Flying Cars

What we've learned from our 9-month series on tomorrow's urban mobility.

Reuters/Yuriko Nakao (JAPAN)

Catastrophe, Twitter, and Our Changing Relationship to Place: Best #Cityreads of the Week

A roundup of the best stories on cities and urbanism we've come across in the last seven days.

David Dodge, Green Energy Futures/flickr/cc

Vancouver's 'District Energy Utility' Can Heat Entire Neighborhoods

This experiment in "energy recycling" is like having a giant municipal hot-water heater—and the concept dates back to Roman times.

Courtesy Lyft

Pretty Soon, 'Ride-Sharing' Services Could Actually Help You Share a Ride

Cab-sharing has arrived in a serious way with UberPool and Lyft Line.