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EmWave2

This Day in Tech: Twitter adds link shortening; iOS 5 beta jailbroken in a day

Too busy to keep up with the tech news? Here are some of the more interesting stories from CNET for Tuesday, June 7.

Twitter launches automatic link shortening New service will automatically abbreviate URLs of any length to 19 characters when users compose tweets in the Tweet box. More

Hands-on with Wii successor The new Wii U console, which will debut in 2012, combines motion control with a touch-screen game controller. Nintendo says "it will change the way we play games." Get all the details

iOS 5 beta jailbroken in less than 24 hours A group of hackers … Read more

EmWave2: Portable stress relief for harried geeks

It can be hard to get a techie to relax. We are often found toiling away at Internet start-ups, programming under pressure, or blasting away at Call of Duty as enemies swarm across the lines.

The new emWave2 stress management system from HeartMath features several components that geeks love: a gadget, a computer program, and lots of cool graphs. It also has 20 years worth of stress research behind its development, but the glowing lights are what first catch your eye.

According to HeartMath, emWave technology is already being used by more than 10,000 health professionals, including 65 Veteran Administration hospitals and clinics for post-traumatic stress disorder treatment. The second-generation emWave2 is designed for personal use and is portable enough to tuck in your pocket. It also adds a computer interface and desktop program that can track your results, and it has several additional applications including a slideshow and a garden game that adds colors and images as you relax.

I got my hands on the emWave2 and took it for a stress-test drive. The $229 kit includes both an ear and a thumb monitor for your heart rate. I used the thumb monitor. It also includes a line of blue lights that give you visual feedback for controlling your breathing.… Read more