Wack Wednesday: Light Bright

The sun is really bright, and the portion of my house where the dinning room is seems to be on the side of the house where the sunlight is stupidly bright. So, usually I close the blinds so that it doesn't blind me. Which might be why they are called blinds, so you don't get blind. Why don't we make really expensive blinds that can absorb potential solar power. This was when I close the blinds, I'm not just stopping myself from going blind, but I'm also absorbing power for when the lights go out, and I can use that power to see in the dark. Why not? There doesn't have to be that much reserve power, and this would introduce the usefulness of solar power to people that aren't easily convinced.