Light projectors designed around liquid crystal devices, or LCDs, are bright, fast, and reliable. LCD projectors have three different LCDs that each handle one color: red, green or blue. The projector ...

I bought a used business projector (Dell 3300MP XGA) on eBay for $350 (MSRP $1600). This is my first ever projector and I've been wanting one since the mid 1990's (not even the debut of large ...

If you wear glasses, I’m sure that every time you buy a new pair the optometrist cautions you to only clean them with a soft lens rag. I always brushed aside their cautions. When you’re out ...