Frost flowers

February 1, 2018
by DDD
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Frost Flowers

Delicate structures made of ice crystals that form on top of frozen bodies of water are usually referred to as frost flowers. If the frost forms on solid objects or on window glass it is usually referred to as hoar … Continue reading

A picture of he colors of the rainbow produced by light passing through a thin layer of oil on water.

January 22, 2014
by DDD
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Oil Film Rainbow

As light passes through thin layers of oil on the surface of water the various colors separate and we see a rainbow or the colors of the rainbow.