Posts of the Category: Videos
Under the microscope #3 – Water fountain (with Spirogyra algae)
Here are some nice images of the alga Spirogyra. These algae have a spiral-shaped chloroplast. The video also shows other algae in colonies.
Under the microscope #2 – Sand from playground
Unless it is fine-grained, sand is a bit more difficult to observe under the microscope. Darkfiled microscopy shows quite nicely, that many sand grains are transparent (some made made of quartz).
Under the microscope #1 – Dandelion
Dandelion seeds are scattered by wind. Here I am having a look at the fruit of a dandelion. The fruits are the fine “hairs” that carry the seed. In the field of Biology the term “fruit” does not have the same meaning as in everyday usage.
High speed micrography – stinging nematocysts of a jelly fish
Here is an embedded Youtube video which shows some high speed photography.
Foldscope: a paper microscope