Tech

CityFixer

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.

This Weekend There Could Be Auroras—on Mars

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

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.

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.

Adapting America's Public Libraries for the Digital Age

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

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.

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.

The Future of Transportation Is Not All Flying Cars

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

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.

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.

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.

When Yelpers Review Entire Cities

Why travel at all when the most reasonable, thoughtful people on the Internet have rated the world's metropolises for you?

Navigator

A Postcard App With a Historical Twist

ScenePast lets you send a note with a classic 20th century streetscape from your mobile device. But it's also got an addictive second feature.

The Science of New York City’s Mythic Bagel-Making Water

It's all about the ratio of total dissolved solids in a given water sample.

Mogadishu Gets Its First ATM

In a city that's struggled for peace and solid infrastructure, its 1.5 million residents can finally draw cash.

What Firechat's Success in Hong Kong Means for a Global Internet

The app now connecting political protesters could soon connect people in the developing world.

The 30-Year Quest to Find the Brain's Transit Center

Science has solved a centuries-old question: How does the mind process space?