Components of the Nanomachine (image) University of Tokyo Share Print E-Mail Caption The researchers' nanomachine is just under 20 nanometers (nm), around the size of a microchip transistor. Credit © 2019 Kanjiro Miyata Usage Restrictions None. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.