Composite copper-lanthanum and copper-yttrium oxides developed by researchers from Japan demonstrate exceptionally high antiviral activity against ...
[Robert Murray-Smith] presents for us an interesting electronic device from years gone by, before the advent of Silicon semiconductors, the humble metal oxide rectifier. After the electronic dust had ...
Engineers have designed and synthesized a groundbreaking new material -- a copper-free superconducting oxide -- capable of superconducting at approximately 40 Kelvin, or about minus 233 degrees ...
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