tony chang's (tonyzyc) Blog

Battery research is focusing heavily on lithium chemistries, so much so that one could presume that all portable devices will be powered with lithium-ion batteries in the future. In many ways, lithium-ion is superior to nickel and lead-based chemistries and the applications for lithium-ion sony v...

Ultraportable laptops have a history of requiring compromises when it comes to performance. Lately, the PC World Test Center has seen some improvements in this regard--especially with respect to battery life. Unfortunately, you'll still be making major compromises with the Apple MacBook Air a1078...

The majority of people who suffer from the symptoms of Computer Vision Syndrome (CVS) - blurred vision, eyestrain and burning - are middle-aged and presbyopic. Presbiopia is the inability to focus at all distances with symptoms including squinting and headaches. So, getting computer glasses can t...