Tech

A Help-the-Homeless App That Isn't Just Lazy 'Clicktivism'

The creators of WeShelter “don’t want people to stop at tapping the button.”

Elon Musk Challenges Engineering Students to Design a Hyperloop Pod

Spend your summer break solving America's high-speed transportation problems.

A Robot Is Going to 3D-Print a Bridge in Amsterdam

The location of the bridge hasn’t been chosen yet, but the company in charge of the project claims it will only take two months to construct.

El Niño or Not, Floods Are Coming to California

Deluges tend to follow droughts. Are cities prepared?

Where Your Old Electronics Go to Die (or Maybe Even Live Again)

Welcome to the Brooklyn e-waste warehouse of the Lower East Side Ecology Center.

2,220 Reasons Your Next Car Should Brake for You

That’s how many lives would have been saved in 2011-12, according to a new federal report.

D.C.'s Polluted Rivers Are Getting a Green Makeover

But will all residents reap the same benefits?

This Guy Invented a Cordless Drill-Powered Skateboard

Use a simple Black & Decker to scoot along for miles—or install drywall, your choice.

Helsinki's Wi-Fi Is Super Fast, City-Wide—and Free

It will make the Wi-Fi you pay for at home look sluggish.

How Maps and Apps Create a Sense of Place: Best #Cityreads of the Week

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

Videos

These Futuristic Driverless Car Intersections Forgot About Pedestrians and Cyclists

It would be a huge mistake for cities to undo all the progress being made on human-scale street design.

A High-Tech Helmet That Helps You Navigate the City

This concept visor would highlight best routes and point out landmarks.

Matching Affordable Housing with Affordable Working

A new movement seeks to extend the “co-working” model into small-scale manufacturing to benefit low-income workers.

The Potholes in Panama City Are Tweeting Their Own Repair Requests

The potholes have been fitted with motion-sensitive devices. When a car runs over one of them, a tweet is sent automatically to the account of the Ministry of Public Works.

How Uber's Driverless Cars Could Make Pittsburgh America's Next Great Tech Hub

The ride-hailing giant has built a development facility there, luring away some talented Carnegie Mellon researchers.

Maps

Mapping Your City's Smells

Data scientists at the University of Cambridge explore how urban odors can guide better city design.

Explore the Digital Lives of Global Highrises in 'Universe Within'

The new interactive documentary, part of the HIGHRISE series produced by the National Film Board of Canada, makes its U.S. premiere on CityLab.  

Videos

Why Did a Self-Braking Volvo Plow Into a Bystander?

Caught on video, a perplexing collision raises questions about how to regulate automated features.