This projector mounting hole shows the principle of early photography and the nature of light. For this great educational toys all you need is an empty Pringles, some leaves or silver wrapping paper, tape, scissors and a hammer and nail.
First, you need about 5 cm from the bottom of Pringles and a small hammer and nail, Pierce a hole in the center of the base metal at the bottom of the piece you cut out five centimeters. This hole islet the light in a straight line of whatever appears in the pinhole projector.
Next, you must combine the plastic cover on the top tube of Pringles and tape the two pieces back, but this time cut with the plastic cover on the opening side of the square of 5 cm piece of pipe. The plastic cover, now in the tube placed 5 cm from the pin hole in the ground acts as a shield to project light through the small hole in the metal base for the production of an articleImage below.
In addition, some wrapping paper or silver foil wrapped around the pipe to make it look neat and tidy and to block any light through the gaps.
Now you can with the new science Toy [http://www.sciencetoy.co.uk/shop/catalog/browse?sessid =] with the pinhole for a nice bright image as a tree on a sunny day, and when is the open end should look to see an inverted image projected on the plastic cover.
Why do you think the image is projected on the head? IfThe light in a straight line, light will travel from the bottom of an object through the pinhole at the end against the top of the screen, while the light was from the tip of an object passing through the hole and end at the bottom of the screen .
Playing with educational toys helps children to understand the scientific principles, however, to make educational toys permit further operation of educational toys, as well as a lot of fun.
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