A Moment of Science
Why does a paper cut hurt so much more than a cut with a razor blade?
Photocopying machines are fairly complicated devices, but the basic principal is pretty simple.
Crumple up a piece of paper. The crumpled ball gets stronger the more it is compressed, why is that?
You go to the library and check out an old book. When opening the book, you notice the pages are yellow and falling apart. Why is this happening?
How does cellulose turn into paper? What chemistry is occurring?
Why is it so difficult to tear paper in an even, straight line?
Paper is an indispensable part of modern life. In fact, each American uses about 600 pounds of paper every year. Where does all this paper come from?
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