Did you know that you can use a laser to see tiny paramecia in pond water? We’re going to build a simple laser microscope that will shine through a single drop of water and project shadows on a wall or ceiling for us to study.


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4 Responses to “Laser Microscope”

  1. Those are most likely tiny pieces of plant.

  2. What are the two long dark columns that go from a little bit above the cats head to the top/top right corner?

  3. Oh no! You’re right – the wrong one was inserted here. I’ll get the right one up for you right away. Thanks for catching that – we’ve been replacing all the videos with new video players, so thanks for your eagle eye!

  4. Is the current video correct? Because it shows nothing about a laser but it just shows the magnifying glass microscope.