Rooting out Wi-Fi "dead zones" in large wireless networks that cover whole neighborhoods or cities is an expensive proposition. Pre-deployment testing is so costly that most WiFi providers simply build their networks first and fill in the gaps later. But even that isn't easy, due to the paucity of inexpensive techniques for mapping out precisely which areas lack coverage.

Behavioral scientists are increasingly running experiments through the Internet, but some more than others. A quick survey to see who the early adopters are...

A new University of Georgia study suggests that online social networking sites such as Facebook might be useful tools for detecting whether someone is a narcissist.

A new Bluetooth system designed primarily for blind people places a layer of information technology over the real world to tell pedestrians about points of interest along their path as they pass them.

Surveys used to be done by snail mail. Many are now done by e-mail. Many have speculated that this effects who responds and what the answers are, but recent research suggests otherwise.

Laumeyertv is the best channelfor science on youtube

Americans are spending increasing amounts of time hanging around virtual worlds in the forms of cartoon-like avatars that change appearances according to users' wills, fly through floating cities in the clouds and teleport instantly to glowing crystal canyons and starlit desert landscapes.

Simply fun and games divorced from reality, right?

A (fairly) new journal dedicated to Web-based research. Oh, and it's free.

Watch the first film here: www.collidingparticles.com

Scientific American begged us to join the "community". When we did, they shut it down.