The last two years' pandemic has caused a flood of UVC germicidal lamps. Even a renaissance for an odd light bulb, GTL3, I haven't heard about before and apparently was considered obsolete by the industry.
In this video, I take a closer look at the science behind this hybrid of an incandescent and gas-discharge lamp. Lovely little lamp.
Unfortunately, it is sold online in questionable configurations. One is downright hazardous. Not just because of the UVC light. Let me show you why!