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© Yuka Aoki, Junichi Fuse (Hitachi High-Tech Manufacturing & Service corporation)
© Masanari Furiki, Masako Nishimura (Hitachi High-Tech corporation)
Butterflies are fluttering in a grass field.
This is a non-coated calcium sulfate, observed using a Variable Pressure SEM. In general, calcium sulfate is well known as a plaster and it is used to create chalk. Chalk also comes in a wide array of colors, as do butterflies. You can imagine these butterflies are lending their beautiful colors to the chalk.
(Field 1: Non-biology)
At the 16th International Microscopy Congress (IMC16), Micrograph Competition (2006).