Technology & Digital Life

If you've had wrist and shoulder pain from clicking a mouse, relief may be in sight. This spring, a new motion sensing device will go on sale that will make it possible for the average computer user to browse the Web and open documents with a wave of a finger.

The Leap Motion Controller is on display at the South by Southwest Interactive conference in Austin, Texas, for the first time. It's one of the most talked about startups at the conference, where some 26,000 people have gathered to see emerging tech companies.

Here's the challenge: Build a rocket engine. Don't worry, you don't need much.

At the SXSW festival in Austin on Saturday, startup companies DIYRockets and Sunglass are launching a competition to create 3-D-printed rocket engines with open source (read: free) technology.

Facebook is redesigning its front page. The News Feed — which is what Facebook's roughly 1 billion users see when they log on to the site — will be rolling out a radical new look over the coming months.

The changes are meant to increase user engagement on the site, make it easier to navigate on mobile phones and provide even more highly targeted advertising.

The educational division of the media conglomerate News Corp., called Amplify, unveiled a new digital tablet this week at the SXSW tech conference in Austin, Texas, intended to serve millions of schoolchildren and their teachers across the country.

Amplify promises the tablet will simplify administrative chores for teachers, enable shy children to participate more readily in discussions, and allow students to complete coursework at their own pace while drawing upon carefully selected online research resources.