BIG IDEAS , TINY DEVICES Nanoengineering professors Joseph Wang ( above ) and Liangfang Zhang have teamed up to explore the potential of micromotors to deliver medicine in the body .
YOU DON ’ T KNOW SMALL UNTIL YOU KNOW NANO
1 / 3 NANOMETER
A single gold atom is one-third of a nanometer
1 NANOMETER The length a fingernail grows in one second
2.5 NANOMETERS A single strand of human DNA
90K NANOMETERS
The width of a strand of human hair
100K NANOMETERS
The thickness of this sheet of paper
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