Posted on December 11, 2017
Today is the birthday of the man who invented the kaleidoscope, Sir David Brewster. This Scottish scientist / inventor was born on this date in 1781.
Someone, somewhere, decided that December 11 would be a great day to celebrate this fun optical toy.
Do you own a kaleidoscope? Have you ever made one?
Here's what the view through a kaleidoscope can look like:
And here's how a kaleidoscope works:
The wonderful images are created by the reflections of reflections of reflections - of the three mirrors:
And here's a step-by-step in making one type of kaleidoscope.
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