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I took two pieces of glass (10x15cm) and glued them together on three of four sides. In my first try I used sealing glue but it came out that it was not watertight. So I tried again with silicone. | I took two pieces of glass (10x15cm) and glued them together on three of four sides. In my first try I used sealing glue but it came out that it was not watertight. So I tried again with silicone. | ||
Between the two glass plates there is a small gap of about 2mm. | Between the two glass plates there is a small gap of about 2mm. I rinsed the vessel out with distilled water and filled the Euglena medium from the Erlenmeyer flask in the gap. It is conspicuous that the medium does not seem to be green but very clear in this vessel, because the amount is so small. The whole installation is covered with dark, nontranspartent paper on both sides. In the paper I cut some small shapes. I put the installation in front of a daylight lamp. | ||
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Because Euglena move to light sources the concentration should be remarkable higher in the areas where the vessel is not covered with dark paper. | Because Euglena move to light sources the concentration should be remarkable higher in the areas where the vessel is not covered with dark paper. | ||
<gallery> | |||
File:Installation 2.JPG | |||
File:Shape Experiment 1.JPG | |||
File:Shape Experiment 2.JPG | |||
File:Shape Experiment 3.JPG | |||
File:Shape Experiment 5.JPG | |||
File:Shape Experiment 7.JPG | |||
</gallery> | |||
'''Outcome''' | |||
After two hours I removed the paper from the installation. Luckily the experiment was successful and there is actually a clear copy of the letters I cut in the paper. | |||
Next time I am going to figure out which camera angle and backround I need to take a better photo. I also want to use a different motif. | |||
<gallery> | |||
File:Shape Experiment 8.JPG | |||
File:Shape Experiment 9.JPG | |||
</gallery> | |||
Note: I will start this experiment as soon as the Euglena medium is greenish enough to recognize the visual difference. | Note: I will start this experiment as soon as the Euglena medium is greenish enough to recognize the visual difference. |
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