https://microcosmos.foldscope.com/post/oF5huj9E1oFabCO30t0c
Foldscopes Day 1 - Shashwat Jain @ Ashoka university
This shows the nucleus of a onion at 340xThese show air bubbles in a thick corn pel, so the corn cells are not visible, but the air bubbles areThese photos
dayjainashokauniversity