Holograms
Beginning of paper
Toss a pebble in a pond -see the ripples? Now drop two pebbles close
together. Look at what happens when the two sets of waves combine -you get a
new wave! When a crest and a trough meet, they cancel out and the water goes
flat. When two crests meet, they produce one, bigger crest. W ....
Middle of paper
.... to
other objects. Your brain processes this information so that you see the apple,
and the rest of the world, in 3-D. You can look around objects, too -if the
apple is blocking the view of an orange behind it, you can just move your
head to one side. The apple seems to "move" out of the way so you can
see the orange or even the back of the apple. If that seems a bit
obvious, just try looking behind something in a regular photograph!
You can't, because ....
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Word count: 1070
Page count: 4 (approximately 250 words per page)
