Tag Archives: Light
Incandescent bulbs don’t exist any more but they are still lighting in some houses. But why changing or why use these ones. It’s just a question of energy? In the long run Energy saving bulbs last more and have a longer life.
Check the following table of energy usage:
Light can be absorbed, reflected, or refracted, depending on what kind of surface it hits.
Let´s learn a bit more about properties of light through this video. Click on “LIGHT”