Q. I have a big box of 35mm mostly Kodachrome slides taken over the past 50 years or more. I would like to scan them and burn them onto optical disks, then catalog them so that I can find what I ...

A direct access storage device that is written and read by light. The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges ...

CD/DVD players can do more than just provide entertainment — they can provide electricity, too. These players come equipped with some handy DC motors, and if you know a thing or two about DC ...