to learn how to make a projector. ... Ia#39;ve got to put pictures in upside down or theya#39; ll be upside down on the wall. ... When you look out the window the light goes into each of your eyes through the little black hole that is called the pupil, and goes through a lens that causes a picture of what you are ... It was several inches closer to the paper than the thinner lens had been when it formed a sharp picture.
|Title||:||Teaching Science in the Elementary School|
|Author||:||Raymond Will Burnett|