LED bulbs that flicker, and CFLs that almost never did
22:19
The Weird World in RGB
23:21
In Defense of the CFL: A Retrospective
19:48
Closed Captioning: More Ingenious than You Know
20:40
Why Are Streetlights Turning Purple? In Depth Analysis and Fix
23:29
Interesting Experiments With Fluorescent Tubes
27:59
Bright from the Start: GE's CFL with an incandescent trick up its sleeve
17:41
The decorative lamp that's built wrong on purpose
18:31