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Unformatted text preview: Pam and C ris in A tom land Pam and C ris in A tom land Pam and Cris in Atomland Pam and C ris in A tom land To visit to atomland, Pam and Cris must shrink by a factor of 10 10 (10,000,000,000). This size reduction is performed in four stages: (1) from normal size to a millimeter (mm = 10-3 meter), (2) next, to a micrometer (m = 10-6 meter), (3) then, to a nanometer (nm = 10-9 meter), (4) finally, to an Angstrom (o = 10-10 meter). Here are the objects they see along the way: 10 meter = 1 meter stool 10-1 meter = 0.1 meter hand 10-2 meter = 1 cm (centimeter) fingernail; sugar cube; bee 10-3 meter = 1 mm (millimeter) flea 10-4 meter = 100 m hair follicle 10-5 meter = 10 m animal cell 10-6 meter = 1 m (micrometer) bacterium 10-7 meter = 100 nm virus 10-8 meter = 10 nm large protein molecule 10-9 meter = 1 nm (nanometer) moderately-sized molecule 10-10 meter = 1 o (Angstrom) atom If Pam and Cris were to shrink still further, they could inspect the atomic nucleus (the atomic nucleus is 10-14 meter)....
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