Sea Urchin Under the Microscope - literally!
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- Опубліковано 18 вер 2024
- In this video, I explore the fascinating structure of sea urchin spines under the microscope. I start with fragments I found in the sand and zoom in to show their intricate textures. We then take a closer look at an antique microscope slide, over 100 years old, that displays a cross-section of a sea urchin spine. The patterns and layers of calcium carbonate give us insight into how these spines grow and develop over time. It's a beautiful glimpse into marine biology!
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Wow! I would surely frame that and put it on the wall, it's unique!
Thank you for sharing Oliver, looking forward to more in depth videos
The earlier microscopist were so extremely dedicated with the preparation of these slides.
Quite beautiful and very interesting structure.
"Very uncomfortable when you step on them", that must be one of the contenders for understatement of the year.
It wasn't until you got to the highest magnification that I became sure that it wasn't a pen and ink drawing mounted on a slide. It's almost too perfect.
Oliver your so handsom.
👍
@tubepkn I am not familiar with the diamond powder encrusted wire saw cut surface features that would remain after the cut.
As to polishing the surface, holding the (now brittle disk) section would, to me, present a problem. From the higher mag focus quality, I see the front and rear of the disk are parallel. Note the circumference of the section is not deformed or cracked, with the exception of three 'protrusions'. It's a very beautiful subject in a finely mounted slide. I have zero idea how it was prepared. what I can see is that I will have to knock my self out tonight to keep this from rattling around in my brain.
@reno-cz
@Oliver
I have to wonder how they cut that cross section, I’ve tried using very sharp implements and always get a ragged slice. I’ve thought about using a fine diamond wire segment to cut such a clean cut. I’ll have to give it another try now that I see that it can be done.
Maybe in the same way as they make slices of rocks and minerals? Grinding it down to a very thin slice?
Indeed, that is the way it was done
@@tubepkn
s u p e r b !!!