Yes, the incandescent light bulb is gone - it was a good run while it lasted, but the LED is so much better. Yes, the compact fluorescent was kind of trash - but it was a transition.
Here are all the #physics ways we can make light.
https://www.wired.com/2015/06/illumination-life-four-ways-humans-make-light/
Here is my favorite #incandescent #lightbulb image. This is an infrared image of FOUR lights all on. Two of them are LED, one is CFL, one is incandescent. Can you see the difference?
Just for completeness, here's a visible light image of these same 4 lights.
