Snowflake
by Ars/us Dept Of Agriculture
Title
Snowflake
Artist
Ars/us Dept Of Agriculture
Medium
Photograph - Photograph
Description
Snowflake. Coloured low-temperature scanning electron micrograph (LT-SEM) of a snowflake. To prepare for the imaging process the snow and ice crystals are collected on copper sample plates containing pre-cooled methyl cellulose solution. The plates are then rapidly cooled to -196 degrees Celsius in a bath of liquid nitrogen. The samples are then either held in storage or photographed using a field emission scanning electron microscope that has been pre-cooled to -170 degrees Celsius.
Uploaded
October 7th, 2018
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Viewed 184 Times - Last Visitor from Toronto, ON - Canada on 03/24/2023 at 5:26 PM
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