18:10
Annotated Seedless Vascular Plants--Ferns
48:55
Dr. Reynaldo Garay
46:37
Superconductors: New Materials for the 21st…
Superconductors: New Materials for the 21st Century
Dr. James K. Meen, Researcher and Professor at the University of Houston, on a lecture about Superconductors: some of the most amazing materials in current science and engineering!
19:29
Lee M Gonzales
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