Afterimages that don't go away.
Oct. 21st, 2007 10:04 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
nonionayIn some spots in my room the shadows have blue edges. Others are just a yellow stain on the white wall, like an afterimage that doesn't go away.
Why?
There are two light bulbs in my overhead light. For a long time, on one side I had a novelty light bulb with a faint rainbow stained on the glass. It recently burned out, so I replaced it with a blue light.
So there are three light sources in my room -- the far light bulb, the near one (blue) and the lamp behind my bed. When all the lights are on, it doesn't look that odd at first. But if you look at the shadows...
Why?
There are two light bulbs in my overhead light. For a long time, on one side I had a novelty light bulb with a faint rainbow stained on the glass. It recently burned out, so I replaced it with a blue light.
So there are three light sources in my room -- the far light bulb, the near one (blue) and the lamp behind my bed. When all the lights are on, it doesn't look that odd at first. But if you look at the shadows...
