Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

Quartz Tungsten Halogen (QTH) lamps are proven visible and near infrared sources, thanks to their smooth spectral curve and stable output. They generate little ultraviolet radiation and do not exhibit ...

Yes yes, as some may know, I shouldn't even be thinking about electricity. However, I am fairly comfortable with 12v transformers for halogen light bulbs and swapping them out if they go wonky. So I ...