Greg Gbur
drskyskull
Professor of optics, blogger of physics, history, & pulp fiction. Generally tries to keep things light-hearted, in spite of *everything*
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drskyskull
Professor of optics, blogger of physics, history, & pulp fiction. Generally tries to keep things light-hearted, in spite of *everything*
140+
51+
0 (0.00/天)
0 (0.00/天)
