Aluminum or magnesium
it is the piece located on the base that shines light on the slide that you are looking at. the light shines through diaphragm and makes the thing your looking at easier to view and more "in focus". the diaphragm is the thing that adjusts how bright the light is
A keyhole looks black because there is no source of light inside the keyhole, and very little light gets into the hole from outside to illuminate it. Just as the bottom of the ocean, when you have no source of light, appears black to the human eye, until you use some source of light.
Well, a mobile source is a source that is capable of moving. And a stationary source is a source that stays still or doesn't move (or stationary in other words).
The source of power.
It is a source of light only.
the way you feel about yourself internally.
The biggest light source is obviously the bright and shiny sun
the sun. DAH!!!
Stars
It depends how bright the source is.
not yet. drm - open source (Android) issues: some speculate affiliated studios to netflix are worried.
It is a force light that is very bright
Stand with your back to a very bright light source and close your eyes tightly.
The moon is not a source of lightbecause the moon is just a rock reflecting offthe sun to power lightso it can shinne as bright as the sun
no. sometimes planets are bright enough that light reflects off of them
Quasars
say," BRIGHT lights are shinning down and i AM starring at the source."