Category:Strange Matter
Main article: Strange Matter
As per this PDF, "Science and ink (also known as nearing-zero or lab-initio or strange-matter) cartoons are free for personal use, research and/or education institutions public health organizations, and non-profit users."
Media in category "Strange Matter"
This category contains only the following file.
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TractorBeam.jpg 281 × 225; 26 KB