Tech

AFP/Getty Images

The Real Reason You Can't Text 911

Major cell-phones companies are equipped to let callers text emergency call centers, but most states aren’t.

Flash Invaders/iTunes

The Hardest Video Game in History Is About Street Art

To thoroughly win, you'll need to actually go visit every continent. 

SketchFactor

People Just Won't Give Up on Awful Neighborhood Apps

SketchFactor is the latest in a series of user-experience-driven mapping apps with the distinct smack of genteel paranoia. 

Californians Will Have to Get Comfortable With Purified 'Toilet-to-Tap' Water

The golden state's historic drought is forcing residents to reconsider the "yuck factor" of wastewater re-use.

internets_dairy/Flickr

Cigarette Butts: Fodder for the Future's Green Tech?

Korean researchers may have uncovered an innovative use for tar-stained filters.

VivaLnk

Too Lazy to Unlock Your Phone? Try This 'Digital Tattoo'

Press your phone against this creepy skin patch instead of fumbling with that pesky code.

Videos
Natasha Kholgade/Carnegie Mellon University

3D Editing of 2D Photos. Yeah, It's Possible

Computer engineers have created software that could make it impossible to tell if photos are real. 

Library of Congress

Happy 100th Birthday to the World's First Patented Electric Traffic Light

A design based on James Hoge's creation debuted in Cleveland on August 5, 1914.

Flickr/Don McCullough

'Ubiquitous As Pigeons': Imagining Life in the City of Drones

An online installation asks us to accept an all-but-certain future of drones in cities, and to rethink our relationship to them.

Reuters/Jayanta Shaw

How Cities in India Are Preventing Prenatal Deaths With Mobile Technology

With a solar-powered diagnostic "slate," health workers can conduct tests, provide treatment, and instantly send information to doctors—even in remote areas without electricity. 

Shutterstock.com

This App Generates Hidden-Message Orbs Your Friends Must Physically Locate

Designed by brain scientists, "Traces" seeks to make messaging more meaningful.

James West/Climate Desk

Inside the Huge Solar Farm That Powers Apple's iCloud

Apple has a wide-ranging plan to keep its ever-expanding empire green—but it has a few holes.

Reuters/Eric Thayer

What Do We Do With Old Public Payphones?

Resurrecting cities' phone-booth systems with Wi-Fi hotspots, tiny art galleries, and more.

Courtesy of Placemeter

The View From Your Window Is Worth Cash to This Company

New York-based Placemeter is turning disused smartphones into big data.

Maximilian Schich

What We Can and Can't Learn From 2,000 Years of Migration Data for 'Western Intellectuals'

Researchers recently compiled birth and death data for famous North Americans and Europeans.

LabPLC/flickr

Mexico City's 'Innovation Lab' Tries Tech Solutions for Urban Issues

Government-sponsored "smart city" initiatives aim to make life safer and easier in the Mexican capital. But will they reach everyone?

courtesy of Thermos

I Drank a Cup of Hot Coffee That Was Overnighted Across the Country

A single PR stunt reveals the complicated, pervasive intersection of logistics and culture.

Shane Pope/Flickr

Should Colleges Be Broadband Hubs for Their Communities?

The University of Texas is implementing a tiered-price web-acccess structure, while four North Carolina universities are joining their cities in building a more accessible regional network.

George Ross/Getty Images

We're Moving Beyond Energy Efficiency Into 'Demand Destruction'

Hybrid cars, solar panels, and LED lightbulbs aren't just reducing our energy consumption—they're totally upending it.