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strain

Break bad ergonomic habits with help from RSIGuard

Velcro wrist braces. Padded keyboard rests. Office chairs like beach balls on steroids. All ergonomically designed to prevent and treat workplace repetitive strain injuries (RSI) like carpal tunnel syndrome caused by sitting and typing all day, every day. One of the best things you can do about RSI is to make the problem part of the solution. RSIGuard Stretch Edition collects a variety of ergonomic tools in one easy-to-use package. Its Break Timer uses realistic models to suggest stretch breaks when you need them and leave you alone when you don't. The AutoClick tool cuts down on mouse clicks, … Read more

Why do my eyes hurt while watching TV?

CNET reader Jerry asks:

I recently bought a 40-inch LED LCD. I like it a lot, but over the past few months I've noticed my eyes hurt after watching the TV. Mostly it seems to happen at night. This can't be normal, right? Before I spend money on an eye doctor (I've never been), I figured I'd ask if there was something about the TV that was causing it. I never had this problem with my old TV.An interesting, and surprisingly common question.

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Give yourself a break

If you're the type who has to peel yourself off your chair at quitting time, you might want to take this well-intentioned ergonomic helper for a spin. Workplace Angel is the apple a day that may help keep the repetitive-stress away. On-screen reminders pop up at set intervals, gently nudging you to take short or long breaks and suggesting stretches to relieve mounting tension. You can keep time with an animated 3D helper who demonstrates the proper execution of exercises.

Workplace Angel is a decent-looking program that requires some foresight (you are prompted to select reminder times before that … Read more

Is cracked silicon the future for chips?

Cracks are a bad thing in general, but they might help speed up chips.

AmberWave Systems, which specializes in semiconductor substructures, discussed a new method for growing germanium and other, faster semiconductor materials on top of silicon at the recent Semicon West conference, according to the Technology Review magazine of the Massachusetts Institute of Technology.

In a nutshell, AmberWave digs trenches of about 500 nanometers deep in silicon. The trenches are then filled with germanium. This causes the silicon to crack, but the cracks go up only about half of the height of the trench wall. Regular germanium can be … Read more