• The Biggest Cost of Facebook's Growth
  Running the world's largest social network will be a technical and financial challenge as it grows.
• Brain Chip Helps Quadriplegics Move Robotic Arms with Their Thoughts
  It's the first study to show that brain chips can assist paralyzed people to perform complex real-world tasks.
• Virtual World Takes on Childhood Obesity
  A startup blends activity tracking with online incentives in hopes of getting kids into shape.

• A123 Systems Reports More Bad News
  The company is losing money fast. It hoped to raise money to stay afloat.
• A Computer Interface that Takes a Load Off Your Mind
  A wearable brain scanner could give computers insight into how hard you're thinking.

• Wearing a Computer Is Good for You
  Fitness trends and health-care problems are creating demand for tiny computers we won't even notice we're carrying.

• Special Reports
• The Office of the Future
  New technologies are changing the old ways of doing business. What are the innovations that organizations are exploring to better manage their operations and make them more competitive?
  
• Follow the Smart Phones
  Mining cell phone data could help target ads and rank local services.
• A Retinal Prosthetic Powered by Light
  A new type of eye implant requires less hardware and could restore more vision than existing devices.

• New Cement-Making Method Could Slash Carbon Emissions
  The proof-of-concept device concentrates sunlight to break apart limestone.
• A Nose in Your Clothes
  Peratech thinks printable electronic sensors of volatile compounds could find their way into textiles.

• Why Publishers Don't Like Apps
  The future of media on mobile devices isn't with applications but with the Web.
• U.S. Will Be Hard-Pressed to Meet Its Biofuel Mandates
  The corn ethanol industry is booming, but cellulosic biofuel production is far behind schedule.
• Startup Sends More than Music through Speakers
  Sonic Notify uses sound waves to let your smart phone pull up everything from coupons to music videos.

• With New Look, Bing Gets More Organized, Social
  Microsoft is revamping its search engine and exploiting the growth of social networking online.

• Betting Everything on Mobile
  For some Silicon Valley investors, mobile computing is the only thing worth betting on.

• Why Amyris is Focusing on Moisturizers, Not Fuel, for Now
  New data show that its products cost more than $30 a gallon to make.
• A Camera App that Gets to Know Your Friends
  Klik uses facial-recognition technology to identify who you're shooting.

Home Computing Web Communications Energy

Materials Biomedicine Business Blogs Videos