<p>
 We looked at the filter of a cigarette. It was pretty interesting seeing the fibers in it and thinking about how the tightly woven network is what’s preventing the harmful substances from passing through. We used a grid overlay in the imaging to have a scale bar directly on the image. The grid is a 0.5mm grid, to give the scale of the fibers. #BioE301C
</p>
<figure class="wp-block-image">
 <img alt="Filter Fibers 1" class="wp-image-149362 gcloudimg" data-attachment-id="149362" data-comments-opened="1" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone 7","caption":"","created_timestamp":"1557496171","copyright":"","focal_length":"3.99","iso":"40","shutter_speed":"0.055555555555556","title":"","orientation":"6"}' data-image-title="Filter Fibers 1" data-recalc-dims="1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149367/IMG_5593.jpg"/>
</figure>
<figure class="wp-block-image">
 <img alt="Single Filter Fiber" class="wp-image-149358 gcloudimg" data-attachment-id="149358" data-comments-opened="1" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone 7","caption":"","created_timestamp":"1557496088","copyright":"","focal_length":"3.99","iso":"32","shutter_speed":"0.011111111111111","title":"","orientation":"6"}' data-image-title="Single Filter Fiber" data-recalc-dims="1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149367/IMG_5589.jpg"/>
</figure>
<figure class="wp-block-image">
 <img alt="Filter Fibers" class="wp-image-149360 gcloudimg" data-attachment-id="149360" data-comments-opened="1" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone 7","caption":"","created_timestamp":"1557496152","copyright":"","focal_length":"3.99","iso":"40","shutter_speed":"0.043478260869565","title":"","orientation":"6"}' data-image-title="Filter Fibers" data-recalc-dims="1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149367/IMG_5591.jpg"/>
</figure>


Cigarette Filter

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