This is amazing, getting closer to future nanotech I hope.
Physicists 3D Print a Boat That Could Sail Down a Human Hair
View attachment 374381
https://phys.org/news/2020-10-physicists-d-microboat.html
Physicists 3D Print a Boat That Could Sail Down a Human Hair
View attachment 374381
https://phys.org/news/2020-10-physicists-d-microboat.html