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Tech Update: Cyberwar Chief Calls for Secure Computer Network

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Cyberwar Chief Calls for Secure Computer Network

The new commander of the military's cyberwarfare operations is advocating the creation of a separate, secure computer network to protect against attacks mounted over the Internet.

YouTube Can't Be Liable on Copyright, Spain Rules

In Spain, Google's online video-sharing service, YouTube, is not legally obligated to screen television clips for potential copyright violations before posting them on the site.

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F.C.C. Opens Unused TV Airwaves to Broadband

It is the first significant block of spectrum made available for unlicensed use by the F.C.C. in 20 years.

A store in Chinatown offers to buy and unlock the iPhone 4.

Buyers Send iPhones on a Long Relay to China

Demand for Apple gadgets has created a system for buying iPhones in New York and reselling them in China.

Website Ranks Most Influential Tweeters

Researchers at Northwestern University said they can pinpoint the most influential people on Twitter's hot topic each day, and they may not be the celebrity with the most followers.

Loomtack, a roll of adhesive vinyl, can be fed into a printer to make decals.

Expanding the Creative Horizons of Your Printer

Home printers can be used to make custom textiles, as well as to produce board games, 3-D models and hardcover books.

State of the Art

Sony Raises Camera Feats to New Level

Move over, S.L.R.'s, here comes the Alpha A55 camera, an I.L.C. (interchangeable-lens compact) from Sony.

Room For Debate

The Buried Threats in That Tweet

Can Twitter and other social network sites do more to head off the hackers?

Personal Tech

Gadgetwise Blog

Is This H.P.'s Slate Tablet Threat?

A video of someone demonstrating a new tablet from H.P. has appeared on YouTube, but it is unclear if what we are seeing is the real thing.

Gadgetwise Blog

PayPal Makes It Easy to Give

PayPal has added a donate feature to its smartphone app that enables users to donate to charitable organizations with a few clicks.

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