Tranh Nguyen's Page

I went to an interview once and the interviewer, an inventive engineer who was granted a patent or two, was sitting the his dark office - no ceiling light - on which stood a halogen desk lamp. I knew right away he hated fluorescent lamps on the ceiling. Many people do.

I myself hate glare, i.e. light getting into my eyes when I read a book or use my laptop. My Dell Inspiron laptop has a usual black keyboard surrounded by a shiny bezel. Newer laptops generally have a black bezel around a black k… Continue

Many people suffer from "Winter Blue", a pessimistic mood caused by lack of bright sunlight. There have been companies selling high-intensity "sun panel" to provide a substitute for sunlight. That does work, but watch out for your high electricity bills.

Others, especially in California, grow hydroponic marijuana using HID lamps.

Do you work for a jewelry store? Jewelry stores use intense halogen light to highlight the diamonds, gemstones, and silver and gold. Their utility bill can be quite h… Continue