Combining optical and electrical circuits should speed supercomputers.
Getting advertisers to quit tracking you may be harder than you think.
Our second annual list of the world's most innovative technology companies highlights businesses whose work is changing industries and lives.
Square, founded by the creator of Twitter, lets people accept credit cards with their smart phones. That innovation could transform transactions in surprising ways.
Making television smarter requires understanding why it is our favorite gadget.
A single graphene transistor can do the work of multiple conventional ones.
Hacked Facebook accounts produce most of the spam on the world's largest social network.
If you think the future of television is uncertain now, look at the issues the medium faced before it took off.
The online world of Second Life seemed like the next big thing, only to be largely written off. Neither hypers nor detractors understood it.
Robots that stand in for remote workers could force people to learn how to tolerate a new breed of social failings.