Leaf from tradescantia zebrina (https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Tradescantia_zebrina) - the stomata and guard cells stand out in beautiful contrast against the purple cells in the background! As an aside, this was the first sample I used to test my foldscope! A very lucky beginning :) <img class="ql-image" src="https://firebasestorage.googleapis.com/v0/b/microcosmosdelta.appspot.com/o/NaN%2FPXL_20230102_200057646_exported_879_1672689830949.jpg?alt=media&amp;token=aa66ddfa-ccb9-4be9-a72d-b6eec1667f58"/><img class="ql-image" src="https://firebasestorage.googleapis.com/v0/b/microcosmosdelta.appspot.com/o/NaN%2FPXL_20230102_191659125.jpg?alt=media&amp;token=76c5a79d-e29d-4ab8-a044-9cde3c0458fb"/>

Stomata

Sid

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