Laser Microscope v4

The simplest laser projection microscope that can be used to observe bacteria and microorganisms. The liquid to be studied is drawn into a syringe, a drop is squeezed out onto the end of a needle and a laser is pointed at it. On the wall, where the rays fall, you will see the image of microbes.

Similar designs can be seen on Youtube:

https://youtu.be/KjgVcXW_6ns?si=IGd-tKZ00uNJYIZk