Tech

The Databases That Facial-Recognition Apps Need to Survive

No matter how powerful a facial-recognition technology is, it can’t get the job done without a way to link names to faces.

China: Where Marathon Mania and Epic Air Pollution Levels Collide

An unfortunate intersection of trends.

Videos

Watch the Earth Warm Since 1880 in This Fascinating Animation

Nine of the 10 hottest years on record all occurred after 2000, says NASA.

Yes, You Can Buy an iPhone Case That Doubles as a Stun Gun

Next time someone tries to pick your Apple, give them a taste of your Yellow Jacket. 

Videos

The Drones Can Stay as Long as They Deliver Our Beer

Inside one German man's obsession with building a booze-delivering UAV.

Where the Road Ends: A Travel Video Shot With Google Street View

We "drove" thousands of miles to find these beautiful, remote places.

The First Google Glass Moving Violation Case Got Dropped

But it's still unclear whether wearing the device is truly legal while driving.

My Face, Digitally Recognized

The age of practical facial recognition has begun, and it's only going to get more precise.

How iPhones Are Forcing Banks to Rethink Brick-and-Mortar Branches

Customers now use mobile phones to do everything from depositing checks to paying bills.

Of Course Scientists Are Attaching Cameras to Alligators

Meet the "Crittercam."

The Weird Stuff That Happens When You Sign Up for Food Stamps

"We started getting these letters."

One Day, Your Phone Could Be Powered by 'Micro Windmills'

The nano-turbines are so small that hundreds could fit inconspicously on a phone's sleeve.

The Rise and Fall and Eventual Rise Again of the 'Smart City'

A conversation with Smart Cities author Anthony Townsend.

Get Ready for the Glowing Plants Craze

Soon, you'll be able to get one for your apartment. And in a couple of years, they could be used to light our streets.

The One Thing Young Americans Won't Give Up

Hint: It's not cars.

Scientists May Have Decoded Your Social Circle

Researchers studying the shape of our social networks make some startling findings.

Photos

5 Remote Sites We Can Now See, Thanks to China's Version of Google 'Street View'

China's most comprehensive on-the-ground photography yet.

And Now There's Facial Recognition for the People in Your Pupils

You know how sometimes you can see yourself in the eyes of another person? Others can see you, too.