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| | . You can make your own hoarfrost crystals if you have a cold, wind-free location -- for example, an unheated outdoor shed. Just plug in a hotplate and heat an open pan of water over a low heat for a day or two. You'll want to heat the water without heating the whole shed, so it helps if it's good and cold outside.
You may want to provide a branch or some other artistic surface above the pan for water vapor to condense onto. How the crystals grow will depend on the air temperature (see theSnowflake Primer), so you may find different types of hoarfrost crystals on different days. If you see something interesting when you try this, take some pictures (seePhotographing Snow for useful techniques) and send me ane-mail. | |  
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