LED bulbs that flicker, and CFLs that almost never did Technology Connections : Season 3 Episode 10

While the CFL is pretty much done being a thing these days, it was a really great invention for saving energy. But some people claimed they caused them headaches. In this video, I explore the reason that fluorescent light can indeed cause headaches or eyestrain in sensitive people, and I explain why that wasn't an issue with the CFL. Then we explore the modern LED bulb and how it actually is bringing the cause of this flicker back.