Researchers at Leiden University in the Netherlands created the world's smallest boat using an electron microscope and a high-resolution three-dimensional (3D) printer.
The 30-micrometer-long boat was developed as part of an investigation into synthetic, self-propelled microswimmers that could travel inside the human body to administer medical treatments, among other things.
As part of the study, the researchers created objects as small as 4 micrometers.
Said Leiden's Daniela Kraft, "We hope to learn about what is now a good design principle for creating a little drug delivery vehicle.”
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