TIP OF ATOMIC FORCE MICROSCOPE used to probe surfaces and
manipulate molecules symbolizes the nanotechnology revolution.
Image: FELICE FRANKEL, WITH TECHNICAL HELP FROM J. CHRISTOPHER
Albert Einstein, as part of his doctoral dissertation, calculated the size of a single sugar molecule from experimental data on
the diffusion of sugar in water. His work showed that each molecule measures about a nanometer in diameter. At a billionth of a meter, a
This article was originally published with the title Little Big Science.
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