Besides algae, I found several single-celled organisms, protists, also Vorticella.
Water fleas (daphnia) like to eat yeast. Here I feed one of them with dried yeast and you can see how it takes up the food. Affiliate link to microscope used: Swift SS-110
Here I do plasmolysis of red onion cells using salt water. The process was then reversed and cells were then given pure water and cytolysis started to happen. The cells then popped open. The process of water moving in and Read More …
Important: The microscope is branded as a “National Optical” microscope in the US and as “Swift” in other countries. It is the same microscope, however. Affiliate Amazon link to the microscope: Click Here This is an updated version of the Read More …
If your microscope has a condenser with a filter holder, then you can try to make filters and patch stops. These will change the colors of the specimen quite dramatically.
How to observe the movement of cell organelles of an onion cell. Vesicles move inside the cell. Here I show you how to prepare and how to observe this. It is an easy but powerful introductory microscopy activity. Affiliate link Read More …
Here I answer a question about the use of microscopes in biotech.
Two quite similar microscopes – I unpack them and have a first look at them.
The water of the flower pot started to smell a bit bad. A sign that there are many bacteria in it. Time to take out the microscope again!
Aphids are insects that feed on plant sap. They can cause much damage. Here I poke some of them with a small wire.