Looking to upgrade? Consider the pros and cons behind these iPhone, Android, and BlackBerry models.
Asking online users to pay for content hasn't worked so far, but iPads and smart phones may change their minds about the free Internet.
'Emily Howell' is a computer program that composes classical music by following rules of music its programmer taught it.
Most devices can now handle variations in voltage. But plugs still vary widely.
A cellphone may let a U.S. soldier 'speak' in Pashto or Dari. A browser can pick up on linguistic nuance.
Getting the world set up online is fine. Next: Delivering content that serves the world.
Students from West Philadelphia make a viable 'X PRIZE' run against auto companies from around the globe. The potential prize: $7.5 million for the school and a 100 m.p.g. car for the world.
See Better to Learn Better: Inexpensive, durable – but still 'cool' – glasses from Yves Behar help Mexican schoolchildren to focus.
Looking to improve reading online? Try the Readability app, which strips ads out of sight, and Instapaper, a great Web bookmarking tool.
Texting a donation took off after the Haiti earthquake. But some question whether the phenomenon will last.
Password cracking: It's just a matter of time. Here's how to fight back.
Clean up and tune up – your PC needs love. Dust bunnies, junk files slow you down.
To fight poverty and overpopulation, crops need coaxing. Advances in deep-root food plants may trigger a new Green Revolution.
Google and others embed 'Easter eggs' for times when web users are in the mood for diversion.
Drones are just part of a bid to automate combat. Can virtual ethics make machines decisionmakers?
After-school program uses the simple, experimental BigShot camera to teach young students about art, engineering, and culture.
Scientists knew there was water on the moon before NASA crashed a craft into the lunar soil.
Automated flight controls under research may be able to sense how alert pilots are. It’s one way science could help prevent mistakes like the one made by the Northwest pilots who overflew Minneapolis by 150 miles.
Motion capture blurs line between video games, films.
Column: Two examples of researchers finding amazing things by reconsidering the fundamentals.