
Want Clean Water? Turn on the Lights
Companies kill deadly bacteria and strip out heavy metals in water using new technologies that range from ultraviolet (UV) light to microbubbles
Larry Greenemeier is the associate editor of technology for Scientific American, covering a variety of tech-related topics, including biotech, computers, military tech, nanotech and robots.

Want Clean Water? Turn on the Lights
Companies kill deadly bacteria and strip out heavy metals in water using new technologies that range from ultraviolet (UV) light to microbubbles

Looking for top-secret military info? Try pawn shops

House shoots down digital TV delay

Senate okays digital TV delay, House votes today

Clinic develops iPhone app to help stutterers

Apple's Mac turns 25

Computer worm threatens security as Microsoft announces mass layoffs

The Wired White House--A Pictorial Evolution of the POTUS Web Site [Slide Show]
Tech-savvy Pres. Barack Obama quickly revamps the chief executive Web site, but finds that when it comes to technology at 1600 Pennsylvania Avenue, change (such as laptops for his staff) will come more slowly

Above It All: A Satellite's-Eye View of Pres. Obama's Inauguration [Slide Show]
GeoEye 1 puts an historic event in perspective

Satellites may be used to find water in drought-ravaged Africa

House Dems push for more than $80 billion in stimulus money for big tech projects

Gene Pool: Can DNA Research Save Columbia River Salmon?
Scientists turn to genetics to help replenish the U.S. Northwest's endangered salmon population

Social networking pedophilia--how big a threat?

Apple's Jobs takes medical leave of absence

Cyber security alert: Top 25 software writing blunders

Dirty Google searches: Researcher hits search engine for CO2 emissions

Ford leans on consumer electronics as part of no-bailout strategy

Sony's Stringer Hosts Star-Studded CES Keynote [Slide Show]
Tom Hanks, Reggie Jackson and Usher are among the celebs to join Sony's chief executive onstage at CES

New Tech Makes Classroom Computers a Reality Worldwide
Intel and others are developing the technology to make less costly, child-friendly PCs

Microsoft's Ballmer Headlines CES Keynotes [Slide Show]
"It seems like we've entered a time of reduced expectations," Steve Ballmer told a packed ballroom on the eve of this year's CES

Microsoft's Ballmer to CES: Keep investing in tech despite economic woes

CES: New netbooks combine mobility and power

Twitter celeb accounts hacked. Could yours be next?

Apple's Steve Jobs: "Hormone Imbalance" Has Caused Health Problems
Computer executive posts statement to quell questions on his condition