Blood under a microscope.
<video controls autoplay loop> <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/blood_magnified.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...833#post183375
https://www.homemadetools.net/forum/...035#post157123
https://www.homemadetools.net/forum/...977#post171811
https://www.homemadetools.net/forum/...896#post160127
https://www.homemadetools.net/forum/...702#post151948