Why does a solid metal that is engineered for ductility become brittle, often suddenly and with dramatic consequences, in the presence of certain liquid metal impurities? The phenomenon, known as ...
Dr. C. H. DESCH delivered a Research and Development Lecture under the auspices of the Royal Institution and the British Science Guild on February 6, taking as his subject “The Microscope and the ...
Amscope Refractor ALT-AZ Telescope TLS-PAZ-90660: Amscope TLS-PAZ-90660 Refractor ALT-AZ Telescope comes with Altitude Azimuth Mount, 90mm Aperture, 600mm Focal Length, Stainless Steel Tripod and Red ...
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